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Average Weather in Kuressaare Estonia

In Kuressaare, the temperature typically varies from 23°F to 69°F over the course of the year, and is rarely below 7°F or above 78°F.

The warm season lasts for 2.9 months, from June 11 to September 9, with an average daily high temperature above 62°F. The hottest day of the year is July 25, with an average high of 69°F and low of 58°F.

The cold season lasts for 3.8 months, from December 1 to March 25, with an average daily high temperature below 38°F. The coldest day of the year is February 10, with an average low of 23°F and high of 31°F.

Average High and Low Temperature

The daily average high (red line) and low (blue line) temperature with percentile bands, 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

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDecfreezingfreezingchillychillycoldcoldcoolcoolcomfortablecomfortable
The average hourly temperature, color coded into bands: frigid < 15°F < freezing < 32°F < chilly < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The shaded overlays indicate night and civil twilight.

Sun

The length of the day in Kuressaare varies extremely over the course of the year. In 2017, the shortest day is December 21, with 6 hours, 23 minutes of daylight; the longest day is June 21, with 18 hours, 16 minutes of daylight.

Hours of Daylight and Twilight

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 4:23 AM on June 18, and the latest sunrise is 4 hours, 55 minutes later at 9:18 AM on December 28. The earliest sunset is at 3:38 PM on December 15, and the latest sunset is 7 hours, 2 minutes later at 10:39 PM on June 23.

Daylight saving time (DST) is observed in Kuressaare during 2017, starting in the spring on March 26, lasting 7.1 months, and ending in the fall on October 29.

Sunrise & Sunset with Twilight and Daylight Saving Time

The solar day over the course of the year 2017. 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.

Clouds

In Kuressaare, 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 Kuressaare begins around April 21 and lasts for 5.8 months, ending around October 15. On July 17, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 60% of the time, and overcast or mostly cloudy 40% of the time.

The cloudier part of the year begins around October 15 and lasts for 6.2 months, ending around April 21. On January 21, the cloudiest day of the year, the sky is overcast or mostly cloudy 72% of the time, and clear, mostly clear, or partly cloudy 28% of the time.

Cloud Cover

clearerclearercloudiercloudiercloudiercloudier0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJan 2172%Jan 2172%Jul 1740%Jul 1740%Apr 2156%Apr 2156%Oct 1557%Oct 1557%overcastovercastmostly cloudymostly cloudypartly cloudypartly cloudymostly clearmostly clearclearclear
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds: clear < 20% < mostly clear < 40% < partly cloudy < 60% < mostly cloudy < 80% < overcast.

Precipitation

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

The wetter season lasts 5.8 months, from July 27 to January 22, with a greater than 25% chance of a given day being a wet day. The chance of a wet day peaks at 32% on November 10.

The drier season lasts 6.2 months, from January 22 to July 27. The smallest chance of a wet day is 17% on May 4.

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 31% on October 24.

Daily Chance of Precipitation

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 in the year. Kuressaare experiences some seasonal variation in monthly rainfall.

Rain falls throughout the year in Kuressaare. The most rain falls during the 31 days centered around August 14, with an average total accumulation of 2.0 inches.

The least rain falls around February 26, with and 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

We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. Colder, drier snow tends to be on the higher end of that range and warmer, wetter snow on the lower end.

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

The snowy period of the year lasts for 4.4 months, from November 15 to March 26, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The most snow falls during the 31 days centered around December 25, with an average total liquid-equivalent accumulation of 0.3 inches.

The snowless period of the year lasts for 7.6 months, from March 26 to November 15. The least snow falls around July 23, with an average total liquid-equivalent accumulation of 0.0 inches.

Average Liquid-Equivalent Monthly Snowfall

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.

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.

The perceived humidity level in Kuressaare, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, staying within 1% of 1% throughout.

Humidity Comfort Levels

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecNov 100%Nov 100%Jul 303%Jul 303%comfortablecomfortabledrydry
The percentage of time spent at various humidity comfort levels, categorized by dew point: dry < 55°F < comfortable < 60°F < humid < 65°F < muggy < 70°F < oppressive < 75°F < miserable.

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 Kuressaare experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 5.8 months, from September 20 to March 13, with average wind speeds of more than 7.4 miles per hour. The windiest day of the year is December 31, with an average hourly wind speed of 9.0 miles per hour.

The calmer time of year lasts for 6.2 months, from March 13 to September 20. The calmest day of the year is May 29, with an average hourly wind speed of 5.8 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 Kuressaare varies throughout the year.

The wind is most often from the south for 2.2 months, from January 29 to April 4 and for 1.7 months, from October 17 to December 8, with a peak percentage of 36% on November 10. The wind is most often from the west for 6.4 months, from April 4 to October 17 and for 1.7 months, from December 8 to January 29, with a peak percentage of 39% on January 3.

Wind Direction

WWSSWWSSWW0%20%40%60%80%100%JanFebMarAprMayJunJulAugSepOctNovDecwestwestsouthsoutheasteastnorthnorth
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions (north, east, south, and west), excluding hours in which the mean wind speed is less than 1 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

Kuressaare 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 2.7 months, from June 29 to September 19, with an average temperature above 58°F. The day of the year with the warmest water is August 6, with an average temperature of 64°F.

The time of year with cooler water lasts for 4.3 months, from December 19 to April 28, with an average temperature below 40°F. The day of the year with the coolest water is March 1, with an average temperature of 33°F.

Average Water Temperature

The daily average water temperature (purple line) with percentile bands, 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 very significant seasonal variation over the course of the year.

The brighter period of the year lasts for 3.2 months, from May 4 to August 10, with an average daily incident shortwave energy per square meter above 5.3 kWh. The brightest day of the year is June 24, with an average of 6.5 kWh.

The darker period of the year lasts for 4.3 months, from October 17 to February 26, with an average daily incident shortwave energy per square meter below 1.5 kWh. The darkest day of the year is December 21, with an average of 0.2 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 Kuressaare are 58.248 deg latitude, 22.504 deg longitude, and 13 ft elevation.

The topography within 2 miles of Kuressaare is essentially flat, with a maximum elevation change of 62 feet, and an average elevation above sea level of 14 feet. Within 10 miles contains only modest variations in elevation (138 feet). Within 50 miles also contains only modest variations in elevation (354 feet).

The area within 2 miles of Kuressaare is covered by artificial surfaces (32%), water (25%), trees (19%), and grassland (12%), within 10 miles by water (41%) and trees (31%), and within 50 miles by water (77%) and trees (15%).

Data Sources

This report illustrates the typical weather in Kuressaare, 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 Kuressaare.

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

The stations contributing to this reconstruction are: Ventspils International Airport (69%, 111 kilometers, southwest) and Tallinn Airport (31%, 187 kilometers, northeast).

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 .