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August Weather in Warsaw, United States

Last updated: June 24, 2025

In August, the average temperature in Warsaw, United States hovers around 25°C (77°F), making it a delightful time to explore. Expect a range from a cool 15°C (59°F) to a warm 36°C (97°F). With 115 mm (4.5 in) of precipitation spread across 11 days, a light rain jacket might come in handy. The average humidity sits at a comfortable 78%, ensuring a pleasant climate overall.

August Temperature in Warsaw

In August in Warsaw, the average temperature is 25°C (77°F). Maximums can reach 36°C (97°F), and minimums can be as low as 15°C (59°F). It's an ideal time to explore outdoor activities and enjoy the pleasant weather.

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 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec343648556677807773594640
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 total precipitation amount is 115 mm (4.5 in) spread over 11 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 115 mm (4.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec6561123120177102118115631025440
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 78%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, damp blanket, making travel feel a bit more exhausting and sticky as you navigate the sights.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
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 reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35610101111109753
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 Weather1°C (34°F)65 mm (2.5 inches)80%moderate
February Weather2°C (36°F)61 mm (2.4 inches)78%moderate
March Weather9°C (48°F)123 mm (4.8 inches)75%high
April Weather13°C (56°F)120 mm (4.7 inches)77%very high
May Weather19°C (67°F)177 mm (7.0 inches)82%very high
June Weather25°C (77°F)102 mm (4.0 inches)83%extreme
July Weather27°C (80°F)117 mm (4.6 inches)81%extreme
August Weather25°C (77°F)115 mm (4.5 inches)78%very high
September Weather23°C (73°F)63 mm (2.5 inches)72%very high
October Weather15°C (59°F)102 mm (4.0 inches)72%high
November Weather8°C (46°F)54 mm (2.1 inches)84%moderate
December Weather5°C (41°F)39 mm (1.6 inches)86%moderate

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