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Average Weather in Tomnatic Romania

In Tomnatic, the summers are warm, the winters are very cold and dry, and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 26°F to 83°F and is rarely below 12°F or above 93°F.

Based on the tourism score, the best time of year to visit Tomnatic for warm-weather activities is from late May to mid September.

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Climate Summary

very coldcoldcoolwarmcoolcoldvery coldJanFebMarAprMayJunJulAugSepOctNovDecNowNow75%75%37%37%clearovercastprecipitation: 2.1 inprecipitation: 2.1 in0.9 in0.9 inmuggy: 13%muggy: 13%0%0%drydrytourism score: 7.1tourism score: 7.10.10.1
Click on each chart for more information.
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Temperature

The warm season lasts for 3.6 months, from May 25 to September 13, with an average daily high temperature above 74°F. The hottest day of the year is August 3, with an average high of 83°F and low of 61°F.

The cold season lasts for 3.2 months, from November 23 to February 29, with an average daily high temperature below 46°F. The coldest day of the year is January 19, with an average low of 26°F and high of 37°F.

Average High and Low Temperature

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.

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

Average Hourly Temperature in TomnaticJanFebMarAprMayJunJulAugSepOctNovDec12 AM4 AM8 AM12 PM4 PM8 PM12 AMNowNowfreezingvery coldvery coldcoldcoldcoolwarmcomfortablefreezingcomfortablefreezingfreezing
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.

Clouds

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

The clearer part of the year in Tomnatic begins around May 31 and lasts for 3.9 months, ending around September 27. On July 19, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 75% of the time, and overcast or mostly cloudy 25% of the time.

The cloudier part of the year begins around September 27 and lasts for 8.1 months, ending around May 31. On January 10, the cloudiest day of the year, the sky is overcast or mostly cloudy 63% of the time, and clear, mostly clear, or partly cloudy 37% of the time.

Cloud Cover Categories

Cloud Cover Categories in TomnaticclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Jul 1975%Jul 1975%Jan 1037%Jan 1037%May 3156%May 3156%Sep 2757%Sep 2757%NowNowclearovercastmostly cloudymostly clearpartly cloudy
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.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Tomnatic varies throughout the year.

The wetter season lasts 3.2 months, from April 18 to July 24, with a greater than 22% chance of a given day being a wet day. The chance of a wet day peaks at 30% on June 14.

The drier season lasts 8.8 months, from July 24 to April 18. The smallest chance of a wet day is 14% on March 19.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 30% on June 14.

Daily Chance of Precipitation

Daily Chance of Precipitation in TomnaticwetdrydryJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Jun 1430%Jun 1430%Mar 1914%Mar 1914%Jul 2422%Jul 2422%NowNowrainsnowmixed
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).

Rainfall

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. Tomnatic experiences some seasonal variation in monthly rainfall.

Rain falls throughout the year in Tomnatic. The most rain falls during the 31 days centered around June 7, with an average total accumulation of 2.1 inches.

The least rain falls around January 29, with an average total accumulation of 0.7 inches.

Average Monthly Rainfall

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 liquid-equivalent snowfall.

Snowfall

The sliding 31-day liquid-equivalent quantity of snowfall in Tomnatic does not vary significantly over the course of the year, staying within 0.1 inches of 0.1 inches throughout.

Average Liquid-Equivalent Monthly Snowfall

Average Liquid-Equivalent Monthly Snowfall in TomnaticsnowsnowJanFebMarAprMayJunJulAugSepOctNovDec0.0 in0.5 in1.0 in1.5 in2.0 inJan 90.2 inJan 90.2 inJul 240.0 inJul 240.0 inDec 20.1 inDec 20.1 inMar 30.1 inMar 30.1 inNowNow
The average liquid-equivalent 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.

Sun

The length of the day in Tomnatic varies significantly over the course of the year. In 2020, the shortest day is December 21, with 8 hours, 38 minutes of daylight; the longest day is June 21, with 15 hours, 45 minutes of daylight.

Hours of Daylight and Twilight

Hours of Daylight and Twilight in TomnaticJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 7 minMar 2012 hr, 7 minMar 2015 hr, 45 minJun 2115 hr, 45 minJun 2112 hr, 10 minSep 2212 hr, 10 minSep 228 hr, 38 minDec 218 hr, 38 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.

The earliest sunrise is at 5:45 AM on June 15, and the latest sunrise is 2 hours, 33 minutes later at 8:19 AM on January 2. The earliest sunset is at 4:51 PM on December 10, and the latest sunset is 4 hours, 40 minutes later at 9:32 PM on June 25.

Daylight saving time (DST) is observed in Tomnatic during 2020, starting in the spring on March 29, lasting 6.9 months, and ending in the fall on October 25.

Sunrise & Sunset with Twilight and Daylight Saving Time

Sunrise & Sunset with Twilight and Daylight Saving Time in TomnaticJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 155:45 AMJun 155:45 AM9:32 PMJun 259:32 PMJun 25Dec 104:51 PMDec 104:51 PM8:19 AMJan 28:19 AMJan 2Mar 29DSTMar 29DSTDSTOct 25DSTOct 25daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day over the course of the year 2020. 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.

Humidity

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.

Tomnatic experiences some seasonal variation in the perceived humidity.

The muggier period of the year lasts for 2.6 months, from June 6 to August 25, during which time the comfort level is muggy, oppressive, or miserable at least 3% of the time. The muggiest day of the year is July 26, with muggy conditions 13% of the time.

The least muggy day of the year is February 28, when muggy conditions are essentially unheard of.

Humidity Comfort Levels

Humidity Comfort Levels in TomnaticmuggyJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Feb 280%Feb 280%Jul 2613%Jul 2613%Jun 63%Jun 63%NowNowhumidhumidcomfortablecomfortabledrydrymuggymuggy
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.

Wind

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 Tomnatic experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 7.0 months, from October 4 to May 4, with average wind speeds of more than 7.7 miles per hour. The windiest day of the year is March 16, with an average hourly wind speed of 8.9 miles per hour.

The calmer time of year lasts for 5.0 months, from May 4 to October 4. The calmest day of the year is August 10, with an average hourly wind speed of 6.4 miles per hour.

Average Wind Speed

Average Wind Speed in TomnaticwindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph2 mph4 mph6 mph8 mph10 mph12 mph14 mphMar 168.9 mphMar 168.9 mphAug 106.4 mphAug 106.4 mphOct 47.7 mphOct 47.7 mphMay 47.7 mphMay 47.7 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

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

The wind is most often from the north for 4.1 months, from May 14 to September 16, with a peak percentage of 41% on July 29. The wind is most often from the south for 7.9 months, from September 16 to May 14, with a peak percentage of 35% on January 1.

Wind Direction

Wind Direction in TomnaticSNSJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwestsouthnortheast
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).

Best Time of Year to Visit

To characterize how pleasant the weather is in Tomnatic 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 Tomnatic for general outdoor tourist activities is from late May to mid September, with a peak score in the third week of August.

Tourism Score

Tourism Score in Tomnaticbest timeJanFebMarAprMayJunJulAugSepOctNovDec02468107.17.10.10.17.17.1NowNow precipitationprecipitationcloudscloudstemperaturetemperaturetourism 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 Tomnatic for hot-weather activities is from early July to mid August, with a peak score in the first week of August.

Beach/Pool Score

Beach/Pool Score in Tomnaticbest timeJanFebMarAprMayJunJulAugSepOctNovDec02468106.76.70.00.0NowNow precipitationprecipitationcloudscloudstemperaturetemperaturebeach/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.

Growing Season

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 Tomnatic typically lasts for 6.6 months (202 days), from around April 5 to around October 24, rarely starting before March 16 or after April 25, and rarely ending before October 7 or after November 10.

Time Spent in Various Temperature Bands and the Growing Season

Time Spent in Various Temperature Bands and the Growing Season in Tomnaticgrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Apr 550%Apr 550%Oct 2450%Oct 2490%Apr 2590%Apr 2590%Oct 790%Oct 710%Mar 1610%Mar 1610%Nov 1010%Nov 100%Jan 300%Jan 30Jul 17100%Jul 17100%freezingvery coldcoolcomfortablewarmcoldhot
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 Tomnatic should appear around April 5, only rarely appearing before March 23 or after April 19.

Growing Degree Days

The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands.

Solar Energy

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 3.4 months, from May 6 to August 19, with an average daily incident shortwave energy per square meter above 5.9 kWh. The brightest day of the year is July 6, with an average of 7.1 kWh.

The darker period of the year lasts for 3.6 months, from October 29 to February 16, with an average daily incident shortwave energy per square meter below 2.4 kWh. The darkest day of the year is December 21, with an average of 1.2 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy in TomnaticbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWh9 kWhJul 67.1 kWhJul 67.1 kWhDec 211.2 kWhDec 211.2 kWhMay 65.9 kWhMay 65.9 kWhAug 195.9 kWhAug 195.9 kWhOct 292.4 kWhOct 292.4 kWhFeb 162.4 kWhFeb 162.4 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.

Topography

For the purposes of this report, the geographical coordinates of Tomnatic are 45.989 deg latitude, 20.662 deg longitude, and 279 ft elevation.

The topography within 2 miles of Tomnatic is essentially flat, with a maximum elevation change of 30 feet and an average elevation above sea level of 277 feet. Within 10 miles is essentially flat (98 feet). Within 50 miles contains only modest variations in elevation (1,375 feet).

The area within 2 miles of Tomnatic is covered by cropland (82%) and artificial surfaces (15%), within 10 miles by cropland (86%), and within 50 miles by cropland (79%).

Data Sources

This report illustrates the typical weather in Tomnatic, 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 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Tomnatic.

For each station, the records are corrected for the elevation difference between that station and Tomnatic 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 Tomnatic is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Tomnatic and a given station.

The stations contributing to this reconstruction are: Arad Airport (32%, 51 kilometers, northeast); Szeged (31%, 52 kilometers, northwest); Timișoara Traian Vuia International Airport (28%, 56 kilometers, east); and Batajnica Air Base (9%, 121 kilometers, south).

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 © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

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.