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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 7°C (45°F), offering a mix of chilly and mild days. Expect minimum temperatures to drop to -6°C (21°F), while highs can reach up to 27°C (80°F). With an average precipitation amount of 120 mm (4.7 in) spread across about 15 days, be prepared for some rainy spells. Additionally, the air will feel quite humid, with an average humidity of 88%, enhancing that cozy, cool atmosphere.

April Temperature in Warsaw

In April in Warsaw, the average temperature is 7°C (45°F), with maximums reaching 27°C (80°F) and minimums dropping as low as -6°C (21°F). Be sure to pack layers to accommodate the wide temperature range during your travels.

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 7°C (45°F), with highs reaching up to 27°C (80°F) and lows dropping to around -6°C (21°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.

April Precipitation in Warsaw

In Warsaw in April, the precipitation amount is 120 mm (4.7 in) spread over 15 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 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec838981120118101144104751409497
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 88%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through a heavy, thick atmosphere that clings to your skin.

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 88%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Warsaw

In Warsaw in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098642
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-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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