April Weather in Chelm, Poland

Last updated: August 27, 2025

In April, the average temperature in Chelm, Poland is a cool 9°C (48°F), with temperatures ranging from a brisk -6°C (21°F) at the lowest to a warm 28°C (82°F) at the peak. Expect about 45 mm (1.8 in) of precipitation spread over 10 days, and enjoy an average humidity level of 77%.

April Temperature in Chelm

In April in Chelm, the average temperature is 9°C (48°F). Maximum temperatures can reach 28°C (82°F), while minima can drop as low as -6°C (21°F). Travelers should be prepared for a wide range of temperatures and dress accordingly.

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

The chart illustrates April temperature patterns in Chelm, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chelm, April typically has an average temperature of 9°C (48°F), with highs reaching up to 28°C (82°F) and lows dropping to around -6°C (21°F).

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

April Precipitation in Chelm

In Chelm in April, the precipitation amount is 45 mm (1.8 in) spread over a duration of 10 days.

April Precipitation Trends in Chelm

The chart displays monthly precipitation patterns in Chelm, 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 Chelm, April typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 10 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 Chelm

In Chelm in April, humidity is 77%. With an average temperature of 9°C (48°F), this humidity feels like a damp embrace, making traveling a bit more challenging as the cool air combines with the moisture, often leaving you with a chill that seeps into your bones.

April Average Humidity in Chelm

This chart illustrates the average monthly humidity levels in Chelm, 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 Chelm is approximately 77%, 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 Chelm

In Chelm in April, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Chelm.

Maximum UV Index Levels in Chelm for April

The chart shows the monthly maximum UV Index (UVI) for Chelm 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 Chelm typically reaches 5, which falls under the moderate exposure category.

Data source: Chelm 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 Chelm Compares to Other Months

Weather in Chelm varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Chelm, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Chelm, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	39 mm (1.5 inches)	92%	low
February Weather	0°C (32°F)	48 mm (1.9 inches)	89%	low
March Weather	3°C (38°F)	42 mm (1.7 inches)	87%	moderate
April Weather	9°C (48°F)	45 mm (1.8 inches)	77%	moderate
May Weather	14°C (57°F)	85 mm (3.4 inches)	62%	high
June Weather	20°C (67°F)	89 mm (3.5 inches)	61%	very high
July Weather	20°C (68°F)	89 mm (3.5 inches)	60%	very high
August Weather	20°C (68°F)	90 mm (3.5 inches)	60%	high
September Weather	15°C (59°F)	82 mm (3.2 inches)	70%	high
October Weather	10°C (50°F)	60 mm (2.4 inches)	86%	moderate
November Weather	5°C (41°F)	36 mm (1.4 inches)	90%	low
December Weather	1°C (34°F)	55 mm (2.2 inches)	92%	low