April Weather in Warsaw, United States

Last updated: June 24, 2025

In April, the average temperature in Warsaw, United States hovers around 17°C (63°F). Expect a wide temperature range, with minimums dipping to -2°C (28°F) and maximums soaring up to 31°C (88°F). With an average humidity of 80% and 94 mm (3.7 in) of precipitation over 9 days, make sure to pack accordingly for a mixed bag of weather!

April Temperature in Warsaw

In April in Warsaw, the average temperature is 17°C (63°F), with maximums reaching 31°C (88°F) and minimums dropping as low as -2°C (28°F). This range makes it essential for travelers to prepare for both warm and cool conditions during their visit.

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 17°C (63°F), with highs reaching up to 31°C (88°F) and lows dropping to around -2°C (28°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 reaches 94 mm (3.7 in) over the course of 9 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 94 mm (3.7 inches) of precipitation spread over approximately 9 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 80%. With an average temperature of 17°C (63°F), this humidity feels like you're walking through a thick, warm blanket, making travel feel slightly stifling and requiring frequent breaks to stay comfortable.

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 80%, 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 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.

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	7°C (46°F)	87 mm (3.4 inches)	85%	moderate
February Weather	10°C (51°F)	86 mm (3.4 inches)	82%	high
March Weather	12°C (55°F)	69 mm (2.7 inches)	81%	very high
April Weather	17°C (63°F)	94 mm (3.7 inches)	80%	very high
May Weather	22°C (72°F)	123 mm (4.8 inches)	81%	extreme
June Weather	25°C (77°F)	159 mm (6.3 inches)	81%	extreme
July Weather	27°C (80°F)	139 mm (5.5 inches)	81%	extreme
August Weather	26°C (79°F)	178 mm (7.0 inches)	80%	very high
September Weather	24°C (75°F)	183 mm (7.2 inches)	79%	very high
October Weather	19°C (67°F)	59 mm (2.3 inches)	80%	very high
November Weather	12°C (54°F)	83 mm (3.3 inches)	85%	moderate
December Weather	9°C (49°F)	111 mm (4.4 inches)	86%	moderate