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August Weather in Warsaw, United States

Last updated: June 24, 2025

In Warsaw, United States, the average temperature in August hovers around 20°C (69°F). However, be prepared for a range, with minimums dropping to 7°C (44°F) and maximums soaring up to 31°C (88°F). This month also brings 104 mm (4.1 in) of precipitation over approximately 15 days, contributing to an average humidity of 72%. Stay prepared for a mix of warm days and refreshing rain!

August Temperature in Warsaw

In August in Warsaw, the average temperature is 20°C (69°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 7°C (44°F). This pleasant climate makes Warsaw an ideal destination for travelers seeking comfortable weather during their visit.

August Weather in Warsaw: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Warsaw, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Warsaw, August typically has an average temperature of 20°C (69°F), with highs reaching up to 31°C (88°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec252734445766706963523830
Data source: Temperature data for Warsaw generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Warsaw

In Warsaw in August, the precipitation amount is 104 mm (4.1 in) over a span of 15 days.

August Precipitation Trends in Warsaw

The chart displays monthly precipitation patterns in Warsaw, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Warsaw, August typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec838981120118101144104751409497
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Warsaw

In Warsaw in August humidity is 72%. With an average temperature of 20°C (69°F), this humidity feels like a warm, almost tropical embrace, making it perfect for leisurely strolls but challenging for those unaccustomed to the moist air.

August Average Humidity in Warsaw

This chart illustrates the average monthly humidity levels in Warsaw, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Warsaw is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Warsaw

In Warsaw in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Warsaw.

Maximum UV Index Levels in Warsaw for August

The chart shows the monthly maximum UV Index (UVI) for Warsaw in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Warsaw typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098642
Data source: Warsaw August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Warsaw Compares to Other Months

Weather in Warsaw varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Warsaw, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Warsaw, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)83 mm (3.3 inches)91%moderate
February Weather-3°C (28°F)89 mm (3.5 inches)91%moderate
March Weather1°C (34°F)81 mm (3.2 inches)88%high
April Weather7°C (45°F)120 mm (4.7 inches)88%very high
May Weather14°C (57°F)118 mm (4.6 inches)82%very high
June Weather19°C (66°F)101 mm (4.0 inches)79%very high
July Weather21°C (71°F)144 mm (5.7 inches)77%very high
August Weather20°C (69°F)104 mm (4.1 inches)72%very high
September Weather17°C (63°F)75 mm (3.0 inches)76%very high
October Weather11°C (52°F)140 mm (5.5 inches)83%high
November Weather3°C (38°F)94 mm (3.7 inches)88%moderate
December Weather-1°C (31°F)97 mm (3.8 inches)87%low

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