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April Weather in Warsaw, United States

Last updated: June 24, 2025

In April, the average temperature in Warsaw, United States hovers around 13°C (56°F). Expect a temperature range that can plunge to a brisk -5°C (23°F) or soar to a warm 31°C (89°F). Rainfall is likely, with an average precipitation of 120 mm (4.7 in) spread over 11 days. Humidity is notably high at 77%, adding to the rich atmosphere of the season.

April Temperature in Warsaw

In April in Warsaw, the average temperature is 13°C (56°F). The maximum can reach 31°C (89°F) and the minimum can be as low as -5°C (23°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack accordingly for both warm and cool weather.

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

The chart illustrates April 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, April typically has an average temperature of 13°C (56°F), with highs reaching up to 31°C (89°F) and lows dropping to around -5°C (23°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.

April Precipitation in Warsaw

In Warsaw in April, the precipitation amount is 120 mm (4.7 in) during a span of 11 days.

April Precipitation Trends in Warsaw

The chart displays monthly precipitation patterns in Warsaw, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Warsaw, April typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec6561123120177102118115631025440
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Warsaw

In Warsaw in April humidity is 77%. With average temperature 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities sweaty and uncomfortable.

April Average Humidity in Warsaw

This chart illustrates the average monthly humidity levels in Warsaw, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Warsaw is approximately 77%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Warsaw

In Warsaw in April, 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 April

The chart shows the monthly maximum UV Index (UVI) for Warsaw in April, 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 April, the maximum UV index in Warsaw typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35610101111109753
Data source: Warsaw April 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 April 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 April’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 April’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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