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Climate and Average Weather Year Round in Varna Bulgaria

In Varna, the summers are warm and mostly clear and the winters are very cold, snowy, windy, and partly cloudy. Over the course of the year, the temperature typically varies from 29°F to 83°F and is rarely below 18°F or above 90°F.

Based on the beach/pool score, the best time of year to visit Varna for hot-weather activities is from early July to mid August.

Climate in Varna

very coldcoldcoolwarmcoolcoldJanFebMarAprMayJunJulAugSepOctNovDecNowNow91%91%39%39%clearovercastprecipitation: 1.7 inprecipitation: 1.7 in1.0 in1.0 inmuggy: 34%muggy: 34%0%0%drydrybeach/pool score: 7.7beach/pool score: 7.70.00.0
Varna weather by month. Click on each chart for more information.

The warm season lasts for 3.2 months, from June 6 to September 12, with an average daily high temperature above 75°F. The hottest month of the year in Varna is July, with an average high of 82°F and low of 63°F.

The cold season lasts for 3.7 months, from November 24 to March 15, with an average daily high temperature below 51°F. The coldest month of the year in Varna is January, with an average low of 29°F and high of 43°F.

Average High and Low Temperature in Varna

Average High and Low Temperature in VarnawarmcoldcoldJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FJan 2043°FJan 2043°FJul 3183°FJul 3183°F29°F29°F64°F64°FJun 675°FJun 675°FSep 1275°FSep 1275°FNov 2451°FNov 2451°FMar 1551°FMar 1551°F57°F57°F57°F57°F37°F37°F35°F35°FNowNow
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.
AverageJanFebMarAprMayJunJulAugSepOctNovDec
High 43°F45°F51°F60°F69°F77°F82°F82°F74°F64°F54°F46°F
Temp. 36°F37°F43°F51°F60°F68°F73°F72°F65°F56°F47°F39°F
Low 29°F30°F35°F43°F51°F59°F63°F62°F56°F48°F39°F32°F

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in Varna

Average Hourly Temperature in VarnaJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMNowNowvery coldvery coldcoldcoldcoolcoolcomfortablewarm
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Mountain City, Tennessee, United States (5,390 miles away) and Seaside Park, New Jersey, United States (4,920 miles) are the far-away foreign places with temperatures most similar to Varna (view comparison).

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© OpenStreetMap contributors

Compare Varna to another city:

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In Varna, the average percentage of the sky covered by clouds experiences extreme seasonal variation over the course of the year.

The clearer part of the year in Varna begins around May 31 and lasts for 3.9 months, ending around September 28.

The clearest month of the year in Varna is July, during which on average the sky is clear, mostly clear, or partly cloudy 88% of the time.

The cloudier part of the year begins around September 28 and lasts for 8.1 months, ending around May 31.

The cloudiest month of the year in Varna is December, during which on average the sky is overcast or mostly cloudy 59% of the time.

Cloud Cover Categories in Varna

Cloud Cover Categories in VarnaclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Jul 2491%Jul 2491%Dec 439%Dec 439%May 3165%May 3165%Sep 2866%Sep 2866%NowNowclearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.
FractionJanFebMarAprMayJunJulAugSepOctNovDec
Cloudier 58%59%54%48%39%26%12%14%27%45%55%59%
Clearer 42%41%46%52%61%74%88%86%73%55%45%41%

Varna does not experience significant seasonal variation in the frequency of wet days (i.e., those with greater than 0.04 inches of liquid or liquid-equivalent precipitation). The frequency ranges from 12% to 21%, with an average value of 16%.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The month with the most days of rain alone in Varna is June, with an average of 6.0 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 21% on June 11.

Daily Chance of Precipitation in Varna

Daily Chance of Precipitation in VarnaJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Jun 1121%Jun 1121%Aug 312%Aug 312%Sep 1616%Sep 1616%NowNowrainsnow
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).
Days ofJanFebMarAprMayJunJulAugSepOctNovDec
Rain 2.8d3.1d4.0d5.1d5.3d6.0d4.4d3.8d4.6d4.9d4.5d4.1d
Mixed 0.8d0.6d0.3d0.1d0.0d0.0d0.0d0.0d0.0d0.0d0.2d0.6d
Snow 0.6d0.5d0.1d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.3d
Any 4.2d4.2d4.4d5.2d5.3d6.0d4.4d3.8d4.6d5.0d4.7d5.0d

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Varna experiences some seasonal variation in monthly rainfall.

Rain falls throughout the year in Varna. The month with the most rain in Varna is October, with an average rainfall of 1.6 inches.

The month with the least rain in Varna is February, with an average rainfall of 0.8 inches.

Average Monthly Rainfall in Varna

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.
JanFebMarAprMayJunJulAugSepOctNovDec
Rainfall 0.9″0.8″1.0″1.1″1.0″1.5″1.1″1.0″1.4″1.6″1.5″1.1″

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Varna experiences some seasonal variation in monthly snowfall.

The snowy period of the year lasts for 2.9 months, from December 5 to March 1, with a sliding 31-day snowfall of at least 1.0 inches. The month with the most snow in Varna is January, with an average snowfall of 2.3 inches.

The snowless period of the year lasts for 9.1 months, from March 1 to December 5. The least snow falls around July 25, with an average total accumulation of 0.0 inches.

Average Monthly Snowfall in Varna

Average Monthly Snowfall in VarnasnowsnowJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 in6 in6 in7 in7 inJan 192.3 inJan 192.3 inJul 250.0 inJul 250.0 inDec 51.0 inDec 51.0 inMar 11.0 inMar 11.0 inNowNow
The average snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average rainfall.
JanFebMarAprMayJunJulAugSepOctNovDec
Snowfall 2.3″1.6″0.5″0.0″0.0″0.0″0.0″0.0″0.0″0.0″0.2″1.6″

The length of the day in Varna varies significantly over the course of the year. In 2024, the shortest day is December 21, with 8 hours, 59 minutes of daylight; the longest day is June 20, with 15 hours, 23 minutes of daylight.

Hours of Daylight and Twilight in Varna

Hours of Daylight and Twilight in VarnaJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 7 minMar 2012 hr, 7 minMar 2015 hr, 23 minJun 2015 hr, 23 minJun 2012 hr, 9 minSep 2212 hr, 9 minSep 228 hr, 59 minDec 218 hr, 59 minDec 21nightnightdayNowNow
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.
Hours ofJanFebMarAprMayJunJulAugSepOctNovDec
Daylight 9.4h10.5h12.0h13.4h14.7h15.3h15.0h13.9h12.5h11.0h9.7h9.0h

The earliest sunrise is at 5:27 AM on June 14, and the latest sunrise is 2 hours, 13 minutes later at 7:40 AM on January 4. The earliest sunset is at 4:32 PM on December 8, and the latest sunset is 4 hours, 20 minutes later at 8:52 PM on June 26.

Daylight saving time (DST) is observed in Varna during 2024, starting in the spring on March 31, lasting 6.9 months, and ending in the fall on October 27.

Sunrise & Sunset with Twilight and Daylight Saving Time in Varna

Sunrise & Sunset with Twilight and Daylight Saving Time in VarnaJanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 145:27 AMJun 145:27 AM8:52 PMJun 268:52 PMJun 26Dec 84:32 PMDec 84:32 PM7:40 AMJan 47:40 AMJan 4Mar 31DSTMar 31DSTDSTOct 27DSTOct 27daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of the year 2024. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth in Varna

Solar Elevation and Azimuth in VarnaJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AM0000101010202020303030404050606000010101010202020303040405050602370NowNow
northeastsouthwest
Solar elevation and azimuth over the course of the year 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases.

Moon Rise, Set & Phases in Varna

The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

Varna experiences significant seasonal variation in the perceived humidity.

The muggier period of the year lasts for 3.4 months, from June 6 to September 18, during which time the comfort level is muggy, oppressive, or miserable at least 9% of the time. The month with the most muggy days in Varna is July, with 9.5 days that are muggy or worse.

The least muggy day of the year is February 25, when muggy conditions are essentially unheard of.

Humidity Comfort Levels in Varna

Humidity Comfort Levels in VarnamuggyJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Feb 250%Feb 250%Aug 134%Aug 134%Jun 69%Jun 69%Sep 189%Sep 189%NowNowmuggymuggyhumidhumidcomfortablecomfortabledrydryoppressiveoppressive
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.
JanFebMarAprMayJunJulAugSepOctNovDec
Muggy days 0.0d0.0d0.0d0.0d0.5d4.6d9.5d8.6d3.1d0.5d0.0d0.0d

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Varna experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 5.5 months, from October 12 to March 28, with average wind speeds of more than 10.0 miles per hour. The windiest month of the year in Varna is January, with an average hourly wind speed of 11.6 miles per hour.

The calmer time of year lasts for 6.5 months, from March 28 to October 12. The calmest month of the year in Varna is June, with an average hourly wind speed of 8.1 miles per hour.

Average Wind Speed in Varna

Average Wind Speed in VarnawindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mph16 mph16 mph18 mph18 mphJan 3111.9 mphJan 3111.9 mphJun 228.0 mphJun 228.0 mphOct 1210.0 mphOct 1210.0 mphMar 2810.0 mphMar 2810.0 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Wind Speed (mph) 11.611.610.69.38.28.18.18.59.210.010.811.6

The predominant average hourly wind direction in Varna varies throughout the year.

The wind is most often from the south for 1.1 months, from March 27 to April 29 and for 3.0 weeks, from May 16 to June 6, with a peak percentage of 30% on April 7. The wind is most often from the east for 2.4 weeks, from April 29 to May 16 and for 2.3 months, from July 20 to September 30, with a peak percentage of 40% on August 19. The wind is most often from the north for 1.5 months, from June 6 to July 20 and for 5.9 months, from September 30 to March 27, with a peak percentage of 34% on July 19.

Wind Direction in Varna

Wind Direction in VarnaNSESNENJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwestsoutheastnorth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Varna is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average water temperature experiences significant seasonal variation over the course of the year.

The time of year with warmer water lasts for 3.2 months, from June 18 to September 23, with an average temperature above 70°F. The month of the year in Varna with the warmest water is August, with an average temperature of 76°F.

The time of year with cooler water lasts for 4.2 months, from December 11 to April 18, with an average temperature below 50°F. The month of the year in Varna with the coolest water is February, with an average temperature of 44°F.

Average Water Temperature in Varna

The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.
WaterJanFebMarAprMayJunJulAugSepOctNovDec
Temperature 45°F44°F45°F50°F60°F69°F74°F76°F71°F64°F56°F49°F

To characterize how pleasant the weather is in Varna throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Varna for general outdoor tourist activities is from early June to mid September, with a peak score in the second week of July.

Tourism Score in Varna

Tourism Score in Varnabest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810108.18.10.30.38.08.0NowNowtemperaturetemperature cloudscloudsprecipitationprecipitationtourism score
The tourism score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Varna for hot-weather activities is from early July to mid August, with a peak score in the last week of July.

Beach/Pool Score in Varna

Beach/Pool Score in Varnabest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810107.77.70.00.0NowNowtemperaturetemperature cloudscloudsprecipitationprecipitationbeach/pool score
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Methodology

For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season in Varna typically lasts for 7.4 months (226 days), from around March 30 to around November 10, rarely starting before March 12 or after April 16, and rarely ending before October 19 or after December 10.

Time Spent in Various Temperature Bands and the Growing Season in Varna

Time Spent in Various Temperature Bands and the Growing Season in Varnagrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Mar 3050%Mar 3050%Nov 1050%Nov 1090%Apr 1690%Apr 1690%Oct 1990%Oct 1910%Mar 1210%Mar 1210%Dec 1010%Dec 100%Jan 280%Jan 28Jul 15100%Jul 15100%freezingvery coldcoldcoolcomfortablewarmhot
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

Based on growing degree days alone, the first spring blooms in Varna should appear around April 8, only rarely appearing before March 19 or after April 29.

Growing Degree Days in Varna

Growing Degree Days in VarnaJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F500°F500°F1,000°F1,000°F1,500°F1,500°F2,000°F2,000°F2,500°F2,500°F3,000°F3,000°F3,500°F3,500°FApr 887°FApr 887°FJun 22900°FJun 22900°FAug 21,800°FAug 21,800°FDec 313,204°FDec 313,204°FNowNow
The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 3.5 months, from May 6 to August 21, with an average daily incident shortwave energy per square meter above 6.2 kWh. The brightest month of the year in Varna is July, with an average of 7.3 kWh.

The darker period of the year lasts for 3.6 months, from October 28 to February 17, with an average daily incident shortwave energy per square meter below 2.6 kWh. The darkest month of the year in Varna is December, with an average of 1.5 kWh.

Average Daily Incident Shortwave Solar Energy in Varna

Average Daily Incident Shortwave Solar Energy in VarnabrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhJul 77.4 kWhJul 77.4 kWhDec 201.4 kWhDec 201.4 kWhMay 66.2 kWhMay 66.2 kWhAug 216.2 kWhAug 216.2 kWhOct 282.6 kWhOct 282.6 kWhFeb 172.6 kWhFeb 172.6 kWhNowNow
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Solar Energy (kWh) 1.72.53.85.26.57.17.36.44.93.22.01.5

For the purposes of this report, the geographical coordinates of Varna are 43.217 deg latitude, 27.917 deg longitude, and 177 ft elevation.

The topography within 2 miles of Varna contains very significant variations in elevation, with a maximum elevation change of 1,040 feet and an average elevation above sea level of 233 feet. Within 10 miles also contains very significant variations in elevation (1,211 feet). Within 50 miles contains very significant variations in elevation (2,434 feet).

The area within 2 miles of Varna is covered by artificial surfaces (59%), cropland (23%), and water (16%), within 10 miles by cropland (33%) and water (32%), and within 50 miles by cropland (39%) and water (38%).

This report illustrates the typical weather in Varna, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

There are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Varna.

For each station, the records are corrected for the elevation difference between that station and Varna according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Varna is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Varna and a given station.

The stations contributing to this reconstruction are:

  • Varna Airport (LBWN, 98%, 5 mi, west, 52 ft elevation change)
  • Tuzla (LRTZ, 2.1%, 63 mi, northeast, -13 ft elevation change)

Sources mapLBWN, 98%5 mi, 52 ftLRTZ, 2%63 mi, -13 ft© OpenStreetMap contributors

To get a sense of how much these sources agree with each other, you can view a comparison of Varna and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

Please review our full terms contained on our Terms of Service page.