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Average Weather at Lask Poland

At Lask, the summers are comfortable and partly cloudy and the winters are freezing, dry, windy, and mostly cloudy. Over the course of the year, the temperature typically varies from 23°F to 76°F and is rarely below 7°F or above 87°F.

The warm season lasts for 3.7 months, from May 21 to September 11, with an average daily high temperature above 67°F. The hottest day of the year is August 6, with an average high of 76°F and low of 56°F.

The cold season lasts for 3.7 months, from November 19 to March 9, with an average daily high temperature below 42°F. The coldest day of the year is January 20, with an average low of 23°F and high of 34°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 at Lask12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDecfreezingchillycoldcoolcomfortable
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.

Clouds

At Lask, 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 at Lask begins around April 5 and lasts for 6.4 months, ending around October 17. On July 9, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 57% of the time, and overcast or mostly cloudy 43% of the time.

The cloudier part of the year begins around October 17 and lasts for 5.6 months, ending around April 5. On November 29, the cloudiest day of the year, the sky is overcast or mostly cloudy 71% of the time, and clear, mostly clear, or partly cloudy 29% of the time.

Cloud Cover

Cloud Cover at Laskclearercloudiercloudier0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecNov 2971%Nov 2971%Jul 943%Jul 943%Apr 557%Apr 557%Oct 1757%Oct 1757%overcastmostly cloudypartly cloudymostly clearclear
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 at Lask varies throughout the year.

The wetter season lasts 3.9 months, from May 7 to September 4, with a greater than 23% chance of a given day being a wet day. The chance of a wet day peaks at 30% on July 7.

The drier season lasts 8.1 months, from September 4 to May 7. The smallest chance of a wet day is 16% on February 27.

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 July 7.

Daily Chance of Precipitation

Daily Chance of Precipitation at Laskwetdrydry0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJul 730%Jul 730%Feb 2716%Feb 2716%Jan 118%Jan 118%May 724%May 724%Sep 423%Sep 423%snowrain
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. Lask experiences some seasonal variation in monthly rainfall.

Rain falls throughout the year at Lask. The most rain falls during the 31 days centered around July 14, with an average total accumulation of 2.3 inches.

The least rain falls around February 15, with an average total accumulation of 0.6 inches.

Average Monthly Rainfall

Average Monthly Rainfall at Lask0 in1 in2 in3 in4 in5 inJanFebMarAprMayJunJulAugSepOctNovDecJul 142.3 inJul 142.3 inFeb 150.6 inFeb 150.6 in
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 at Lask 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 at Lasksnowsnow0.0 in0.5 in1.0 in1.5 in2.0 in2.5 inJanFebMarAprMayJunJulAugSepOctNovDecDec 310.2 inDec 310.2 inJul 140.0 inJul 140.0 inNov 170.1 inNov 170.1 inMar 170.1 inMar 170.1 in
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 at Lask varies extremely over the course of the year. In 2017, the shortest day is December 21, with 7 hours, 49 minutes of daylight; the longest day is June 21, with 16 hours, 39 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 4:25 AM on June 17, and the latest sunrise is 3 hours, 24 minutes later at 7:49 AM on December 30. The earliest sunset is at 3:33 PM on December 12, and the latest sunset is 5 hours, 31 minutes later at 9:04 PM on June 24.

Daylight saving time (DST) is observed at Lask 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

Sunrise & Sunset with Twilight and Daylight Saving Time at Lask12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDecJun 174:25 AMJun 174:25 AM9:04 PMJun 249:04 PMJun 24Dec 123:33 PMDec 123:33 PM7:49 AMDec 307:49 AMDec 30Mar 26DSTMar 26DSTDSTOct 29DSTOct 29daynightnightnightnight
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.

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 at Lask, 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 2% of 2% throughout.

Humidity Comfort Levels

Humidity Comfort Levels at Lask0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecFeb 280%Feb 280%Jul 254%Jul 254%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 at Lask experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 5.5 months, from October 18 to April 4, with average wind speeds of more than 5.5 miles per hour. The windiest day of the year is January 24, with an average hourly wind speed of 6.6 miles per hour.

The calmer time of year lasts for 6.5 months, from April 4 to October 18. The calmest day of the year is August 7, with an average hourly wind speed of 4.5 miles per hour.

Average Wind Speed

Average Wind Speed at Laskwindywindy0 mph1 mph2 mph3 mph4 mph5 mph6 mph7 mph8 mph9 mph10 mphJanFebMarAprMayJunJulAugSepOctNovDecJan 246.6 mphJan 246.6 mphAug 74.5 mphAug 74.5 mphOct 185.5 mphOct 185.5 mphApr 45.5 mphApr 45.5 mph
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 at Lask varies throughout the year.

The wind is most often from the east for 2.3 weeks, from April 23 to May 9, with a peak percentage of 28% on April 26. The wind is most often from the west for 11 months, from May 9 to April 23, with a peak percentage of 46% on January 1.

Wind Direction

Wind Direction at LaskWEW0%20%40%60%80%100%JanFebMarAprMayJunJulAugSepOctNovDecwestsoutheastnorth
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).

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 3.6 months, from April 28 to August 17, with an average daily incident shortwave energy per square meter above 5.2 kWh. The brightest day of the year is June 26, with an average of 6.4 kWh.

The darker period of the year lasts for 3.8 months, from October 25 to February 19, with an average daily incident shortwave energy per square meter below 1.8 kWh. The darkest day of the year is December 21, with an average of 0.7 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 Lask are 51.550 deg latitude, 19.200 deg longitude, and 614 ft elevation.

The topography within 2 miles of Lask contains only modest variations in elevation, with a maximum elevation change of 112 feet and an average elevation above sea level of 623 feet. Within 10 miles also contains only modest variations in elevation (328 feet). Within 50 miles contains only modest variations in elevation (1,299 feet).

The area within 2 miles of Lask is covered by cropland (45%), trees (38%), and artificial surfaces (14%), within 10 miles by cropland (56%) and trees (30%), and within 50 miles by cropland (60%) and trees (25%).

Data Sources

This report illustrates the typical weather at Lask, 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

Lask has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.

The stations on which we may fall back are Katowice-Muchowiec Airport, Powidz, John Paul II International Airport Kraków–Balice, Warsaw Chopin Airport, Radom, Minsk Mazowiecki, and Radom-Sadków Airport.

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.