April Weather in Karlstad, United States

Last updated: June 24, 2025

In April, the average temperature in Karlstad, United States is a crisp 3°C (38°F). Expect a wide range, with minima plunging to -20°C (-3°F) and maxima reaching a pleasant 23°C (73°F). There’s an average precipitation of 34 mm (1.3 in) over 6 days, and the air is typically quite moist, with an average humidity of 81%.

April Temperature in Karlstad

In April in Karlstad, the average temperature is 3°C (38°F), with maximums reaching 23°C (73°F) and minimums dropping as low as -20°C (-3°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

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

The chart illustrates April temperature patterns in Karlstad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karlstad, April typically has an average temperature of 3°C (38°F), with highs reaching up to 23°C (73°F) and lows dropping to around -20°C (-3°F).

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

April Precipitation in Karlstad

In Karlstad in April, the total precipitation amount is 34 mm (1.3 in) spread over 6 days.

April Precipitation Trends in Karlstad

The chart displays monthly precipitation patterns in Karlstad, 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 Karlstad, April typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 6 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 Karlstad

In Karlstad in April, humidity is 81%. With an average temperature of 3°C (38°F), this humidity feels like a heavy blanket wrapped around you, making outdoor activities uncomfortable and travel challenging due to the cold, damp air.

April Average Humidity in Karlstad

This chart illustrates the average monthly humidity levels in Karlstad, 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 Karlstad is approximately 81%, 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 Karlstad

In Karlstad in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Karlstad.

Maximum UV Index Levels in Karlstad for April

The chart shows the monthly maximum UV Index (UVI) for Karlstad 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 Karlstad typically reaches 7, which falls under the high exposure category.

Data source: Karlstad 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 Karlstad Compares to Other Months

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

This table compares monthly weather conditions in Karlstad, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-14°C (8°F)	18 mm (0.7 inches)	94%	low
February Weather	-15°C (6°F)	20 mm (0.8 inches)	91%	moderate
March Weather	-4°C (25°F)	24 mm (0.9 inches)	90%	moderate
April Weather	3°C (38°F)	34 mm (1.3 inches)	81%	high
May Weather	12°C (55°F)	54 mm (2.1 inches)	74%	very high
June Weather	19°C (67°F)	88 mm (3.5 inches)	75%	very high
July Weather	21°C (71°F)	75 mm (2.9 inches)	74%	very high
August Weather	19°C (67°F)	73 mm (2.9 inches)	77%	very high
September Weather	14°C (58°F)	76 mm (3.0 inches)	75%	high
October Weather	6°C (42°F)	83 mm (3.3 inches)	78%	moderate
November Weather	-4°C (25°F)	29 mm (1.1 inches)	87%	low
December Weather	-10°C (15°F)	33 mm (1.3 inches)	93%	low