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April Weather in Warsaw, United States

Last updated: June 24, 2025

In April, the average temperature in Warsaw, United States is a mild 11°C (52°F). However, be prepared for fluctuations, as temperatures can dip to a chilly -4°C (25°F) and rise to a warm 29°C (84°F). Expect around 129 mm (5.1 in) of precipitation over 14 days, coupled with a high humidity level of 87%, creating a unique and often refreshing climate experience.

April Temperature in Warsaw

In April in Warsaw, the average temperature is 11°C (52°F), with maximums reaching up to 29°C (84°F) and minimums dropping as low as -4°C (25°F). Be prepared for a wide range of temperatures when traveling to Warsaw during this time.

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 11°C (52°F), with highs reaching up to 29°C (84°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec313442526371757368574236
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 129 mm (5.1 in) over the course of 14 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 129 mm (5.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec87108108129126136116871031059798
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 87%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make your clothes cling uncomfortably, leaving you feeling slightly weighed down while exploring the area.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%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 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 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
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 Weather-1°C (31°F)87 mm (3.4 inches)88%moderate
February Weather1°C (35°F)108 mm (4.2 inches)88%moderate
March Weather6°C (42°F)108 mm (4.3 inches)87%high
April Weather11°C (52°F)129 mm (5.1 inches)87%very high
May Weather17°C (63°F)126 mm (4.9 inches)81%very high
June Weather22°C (71°F)136 mm (5.4 inches)83%very high
July Weather24°C (76°F)116 mm (4.6 inches)82%very high
August Weather23°C (73°F)87 mm (3.4 inches)76%very high
September Weather20°C (69°F)103 mm (4.0 inches)77%very high
October Weather14°C (58°F)105 mm (4.1 inches)82%high
November Weather6°C (42°F)97 mm (3.8 inches)89%moderate
December Weather2°C (37°F)98 mm (3.9 inches)86%low

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