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April Weather in Korsholm, Finland

Last updated: August 23, 2025

In April, the average temperature in Korsholm, Finland hovers around 3°C (38°F), with a brisk minimum of -14°C (7°F) and occasional highs reaching 22°C (71°F). Expect 41 mm (1.6 in) of precipitation spread over 9 days, contributing to a notably high average humidity of 85%. Prepare for a potentially chilly and damp month!

April Temperature in Korsholm

In April in Korsholm, the average temperature is 3°C (38°F). The maximum can reach 22°C (71°F), and the minimum can be as low as -14°C (7°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

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

The chart illustrates April temperature patterns in Korsholm, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Korsholm, April typically has an average temperature of 3°C (38°F), with highs reaching up to 22°C (71°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec252329374859635951423528
Data source: Temperature data for Korsholm 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 Korsholm

In Korsholm in April, the precipitation amount is 41 mm (1.6 in) spread over 9 days.

April Precipitation Trends in Korsholm

The chart displays monthly precipitation patterns in Korsholm, 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 Korsholm, April typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec384141414558638874825750
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Korsholm

In Korsholm in April, humidity is 85%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable as you contend with the heavy, cold air surrounding you.

April Average Humidity in Korsholm

This chart illustrates the average monthly humidity levels in Korsholm, 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 Korsholm is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%85%77%75%80%82%88%92%92%93%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Korsholm

In Korsholm in April, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Korsholm, you can check the information here.

Maximum UV Index Levels in Korsholm for April

The chart shows the monthly maximum UV Index (UVI) for Korsholm 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 Korsholm typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113356653211
Data source: Korsholm 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 Korsholm Compares to Other Months

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

This table compares monthly weather conditions in Korsholm, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)38 mm (1.5 inches)95%low
February Weather-5°C (23°F)41 mm (1.6 inches)93%low
March Weather-2°C (29°F)41 mm (1.6 inches)91%moderate
April Weather3°C (38°F)41 mm (1.6 inches)85%moderate
May Weather9°C (48°F)45 mm (1.8 inches)77%moderate
June Weather15°C (59°F)58 mm (2.3 inches)74%high
July Weather17°C (63°F)63 mm (2.5 inches)80%high
August Weather15°C (60°F)88 mm (3.5 inches)82%moderate
September Weather11°C (51°F)74 mm (2.9 inches)88%moderate
October Weather6°C (42°F)82 mm (3.2 inches)92%low
November Weather1°C (35°F)57 mm (2.2 inches)92%low
December Weather-2°C (28°F)50 mm (2.0 inches)93%low

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