April Weather in Warsaw, United States

Last updated: June 24, 2025

In April, the average temperature in Warsaw, United States hovers around 11°C (52°F). While you might experience chilly lows of -8°C (18°F), the temperature can soar to a warm 30°C (86°F). Expect 99 mm (3.9 in) of precipitation over about 11 days, contributing to an average humidity level of 82%. Be prepared for a mix of weather this month!

April Temperature in Warsaw

In April in Warsaw, the average temperature is 11°C (52°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as -8°C (18°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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 30°C (86°F) and lows dropping to around -8°C (18°F).

Data source: Temperature data for Warsaw generated using information from the Copernicus Climate Change Service.

April Precipitation in Warsaw

In Warsaw, in April, the precipitation amount is 99 mm (3.9 in) over the course 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 99 mm (3.9 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Warsaw

In Warsaw in April, humidity is 82%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress in layers and stay prepared for the moisture-laden air as you explore your surroundings.

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 82%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	57 mm (2.3 inches)	81%	moderate
February Weather	-1°C (30°F)	57 mm (2.3 inches)	81%	moderate
March Weather	6°C (43°F)	107 mm (4.2 inches)	81%	high
April Weather	11°C (52°F)	99 mm (3.9 inches)	82%	very high
May Weather	18°C (65°F)	172 mm (6.8 inches)	78%	very high
June Weather	24°C (76°F)	108 mm (4.2 inches)	81%	extreme
July Weather	26°C (79°F)	88 mm (3.5 inches)	79%	very high
August Weather	24°C (76°F)	91 mm (3.6 inches)	77%	very high
September Weather	21°C (71°F)	93 mm (3.7 inches)	78%	very high
October Weather	13°C (56°F)	110 mm (4.3 inches)	78%	high
November Weather	5°C (42°F)	50 mm (2.0 inches)	87%	moderate
December Weather	2°C (35°F)	41 mm (1.6 inches)	84%	low