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Average Weather in Kateríni Greece

In Kateríni, the summers are hot, dry, and mostly clear and the winters are long, cold, and partly cloudy. Over the course of the year, the temperature typically varies from 37°F to 89°F and is rarely below 29°F or above 95°F.

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

Climate Summary

coldcoolwarmhotwarmcoolcoldJanFebMarAprMayJunJulAugSepOctNovDec94%94%50%50%clearovercastprecipitation: 2.0 inprecipitation: 2.0 in0.7 in0.7 inmuggy: 15%muggy: 15%0%0%drydrybeach/pool score: 8.9beach/pool score: 8.90.00.0
Click on each chart for more information.

Temperature

The hot season lasts for 3.3 months, from June 4 to September 13, with an average daily high temperature above 81°F. The hottest day of the year is July 28, with an average high of 89°F and low of 70°F.

The cool season lasts for 3.7 months, from November 23 to March 14, with an average daily high temperature below 57°F. The coldest day of the year is January 20, with an average low of 37°F and high of 49°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 KateríniJanFebMarAprMayJunJulAugSepOctNovDec12 AM4 AM8 AM12 PM4 PM8 PM12 AMvery coldvery coldcoldcoldcoolcoolcomfortablewarmhotwarmvery coldvery cold
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.

Virginia Beach, Virginia, United States (5,028 miles away) is the far-away foreign place with temperatures most similar to Kateríni (view comparison).

Clouds

In Kateríni, 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 Kateríni begins around June 3 and lasts for 3.6 months, ending around September 22. On July 19, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 94% of the time, and overcast or mostly cloudy 6% of the time.

The cloudier part of the year begins around September 22 and lasts for 8.4 months, ending around June 3. On December 4, the cloudiest day of the year, the sky is overcast or mostly cloudy 50% of the time, and clear, mostly clear, or partly cloudy 50% of the time.

Cloud Cover Categories

Cloud Cover Categories in KateríniclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Jul 1994%Jul 1994%Dec 450%Dec 450%Jun 372%Jun 372%Sep 2272%Sep 2272%clearmostly 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.

Precipitation

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

The wetter season lasts 8.2 months, from September 30 to June 7, with a greater than 16% chance of a given day being a wet day. The chance of a wet day peaks at 24% on November 30.

The drier season lasts 3.8 months, from June 7 to September 30. The smallest chance of a wet day is 8% on July 11.

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 24% on November 30.

Daily Chance of Precipitation

Daily Chance of Precipitation in KateríniwetwetdryJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Nov 3024%Nov 3024%Jul 118%Jul 118%Sep 3016%Sep 3016%Jun 716%Jun 716%rain
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. Kateríni experiences some seasonal variation in monthly rainfall.

Rain falls throughout the year in Kateríni. The most rain falls during the 31 days centered around November 24, with an average total accumulation of 2.0 inches.

The least rain falls around July 20, 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.

Sun

The length of the day in Kateríni varies significantly over the course of the year. In 2018, the shortest day is December 22, with 9 hours, 18 minutes of daylight; the longest day is June 21, with 15 hours, 3 minutes of daylight.

Hours of Daylight and Twilight

Hours of Daylight and Twilight in KateríniJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 8 minMar 2012 hr, 8 minMar 2015 hr, 3 minJun 2115 hr, 3 minJun 2112 hr, 10 minSep 2312 hr, 10 minSep 239 hr, 18 minDec 229 hr, 18 minDec 22nightnightday
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 5:59 AM on June 14, and the latest sunrise is 1 hour, 54 minutes later at 7:53 AM on October 27. The earliest sunset is at 5:03 PM on December 8, and the latest sunset is 4 hours, 0 minutes later at 9:03 PM on June 27.

Daylight saving time (DST) is observed in Kateríni during 2018, starting in the spring on March 25, lasting 7.1 months, and ending in the fall on October 28.

Sunrise & Sunset with Twilight and Daylight Saving Time

Sunrise & Sunset with Twilight and Daylight Saving Time in KateríniJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 145:59 AMJun 145:59 AM9:03 PMJun 279:03 PMJun 27Dec 85:03 PMDec 85:03 PM7:53 AMOct 277:53 AMOct 27Mar 25DSTMar 25DSTDSTOct 28DSTOct 28daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of the year 2018. 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.

Kateríni experiences some seasonal variation in the perceived humidity.

The muggier period of the year lasts for 2.7 months, from June 18 to September 9, during which time the comfort level is muggy, oppressive, or miserable at least 4% of the time. The muggiest day of the year is August 7, with muggy conditions 15% of the time.

The least muggy day of the year is November 29, when muggy conditions are essentially unheard of.

Humidity Comfort Levels

Humidity Comfort Levels in KaterínimuggyJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Nov 290%Nov 290%Aug 715%Aug 715%Jun 184%Jun 184%Sep 94%Sep 94%humidhumidcomfortablecomfortabledrydrymuggymuggy
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 Kateríni experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 5.1 months, from November 8 to April 13, with average wind speeds of more than 5.9 miles per hour. The windiest day of the year is February 5, with an average hourly wind speed of 6.9 miles per hour.

The calmer time of year lasts for 6.9 months, from April 13 to November 8. The calmest day of the year is August 12, with an average hourly wind speed of 4.9 miles per hour.

Average Wind Speed

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 Kateríni varies throughout the year.

The wind is most often from the east for 3.1 months, from February 15 to May 19 and for 4.0 months, from July 30 to November 30, with a peak percentage of 41% on October 16. The wind is most often from the north for 2.4 months, from May 19 to July 30 and for 2.5 months, from November 30 to February 15, with a peak percentage of 40% on July 9.

Wind Direction

Wind Direction in KateríniNENENJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%westeastnorthsouth
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).

Water Temperature

Kateríni 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 3.0 months, from June 22 to September 24, with an average temperature above 74°F. The day of the year with the warmest water is August 12, with an average temperature of 79°F.

The time of year with cooler water lasts for 4.3 months, from December 12 to April 22, with an average temperature below 59°F. The day of the year with the coolest water is February 25, with an average temperature of 55°F.

Average Water Temperature

The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

Best Time of Year to Visit

To characterize how pleasant the weather is in Kateríni 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 times of year to visit Kateríni for general outdoor tourist activities are from mid May to early July and from mid August to early October, with a peak score in the second week of September.

Tourism Score

Tourism Score in Katerínibest timebest timeJanFebMarAprMayJunJulAugSepOctNovDec02468108.08.00.70.77.67.66.76.7 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 Kateríni for hot-weather activities is from mid June to early September, with a peak score in the third week of July.

Beach/Pool Score

Beach/Pool Score in Katerínibest timeJanFebMarAprMayJunJulAugSepOctNovDec02468108.98.90.00.0 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 Kateríni typically lasts for 10 months (302 days), from around February 19 to around December 19, rarely starting after March 21, or ending before November 21.

Time Spent in Various Temperature Bands and the Growing Season

Time Spent in Various Temperature Bands and the Growing Season in Katerínigrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Feb 1950%Feb 1950%Dec 1950%Dec 1990%Mar 2190%Mar 2190%Nov 2190%Nov 2114%Jan 1514%Jan 15Jul 23100%Jul 23100%very coldcoldcoolcomfortablewarmhotfreezing
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 Kateríni should appear around March 13, only rarely appearing before February 23 or after April 2.

Growing Degree Days

Growing Degree Days in KateríniJanFebMarAprMayJunJulAugSepOctNovDec0°F500°F1,000°F1,500°F2,000°F2,500°F3,000°F3,500°F4,000°F4,500°FMar 1383°FMar 1383°FMay 31900°FMay 31900°FJul 71,800°FJul 71,800°FDec 314,568°FDec 314,568°F
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 3.1 months, from May 16 to August 20, with an average daily incident shortwave energy per square meter above 6.6 kWh. The brightest day of the year is July 7, with an average of 7.8 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 3.0 kWh. The darkest day of the year is December 15, with an average of 1.9 kWh.

Average Daily Incident Shortwave Solar Energy

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 Kateríni are 40.270 deg latitude, 22.506 deg longitude, and 108 ft elevation.

The topography within 2 miles of Kateríni contains only modest variations in elevation, with a maximum elevation change of 210 feet and an average elevation above sea level of 104 feet. Within 10 miles contains only modest variations in elevation (3,366 feet). Within 50 miles also contains extreme variations in elevation (9,577 feet).

The area within 2 miles of Kateríni is covered by cropland (46%) and artificial surfaces (29%), within 10 miles by cropland (41%) and water (24%), and within 50 miles by cropland (31%) and water (27%).

Data Sources

This report illustrates the typical weather in Kateríni, 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 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Kateríni.

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

The stations contributing to this reconstruction are: Thessaloniki Airport (49%, 48 kilometers, northeast); Kozani National Airport "Filippos" (22%, 57 kilometers, west); and Larissa Airport (29%, 69 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 Tables of the Sun, Moon and Planets , 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 aiports 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.