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April Weather in Korpo, Finland

Last updated: August 23, 2025

Experience the chilly embrace of Korpo, Finland in April, with an average temperature hovering around 3°C (38°F). While the mercury may dip as low as -3°C (27°F), it can also rise to a comfortable 14°C (58°F) on milder days. Expect about 26 mm (1.0 in) of precipitation spread across 7 days, fostering a crisp atmosphere with an average humidity of 85%. Get ready for a month that perfectly balances coolness and charm!

April Temperature in Korpo

In April in Korpo, the average temperature is 3°C (38°F), with a maximum reaching up to 14°C (58°F) and a minimum dipping as low as -3°C (27°F). Be prepared for chilly weather and pack accordingly if you're planning to visit during this time.

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

The chart illustrates April temperature patterns in Korpo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Korpo, April typically has an average temperature of 3°C (38°F), with highs reaching up to 14°C (58°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec333032384657636357494336
Data source: Temperature data for Korpo 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 Korpo

In Korpo in April, the total precipitation amount is 26 mm (1.0 in) spread over a period of 7 days.

April Precipitation Trends in Korpo

The chart displays monthly precipitation patterns in Korpo, 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 Korpo, April typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec4941412637334873801097491
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Korpo

In Korpo 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 Korpo

This chart illustrates the average monthly humidity levels in Korpo, 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 Korpo is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%89%85%77%78%78%79%86%90%91%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Korpo

In Korpo in April, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Korpo for better planning.

Maximum UV Index Levels in Korpo for April

The chart shows the monthly maximum UV Index (UVI) for Korpo 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 Korpo typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Korpo 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 Korpo Compares to Other Months

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

This table compares monthly weather conditions in Korpo, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)49 mm (1.9 inches)92%low
February Weather-1°C (30°F)41 mm (1.6 inches)90%low
March Weather0°C (32°F)41 mm (1.6 inches)89%moderate
April Weather3°C (38°F)26 mm (1.0 inches)85%moderate
May Weather8°C (46°F)37 mm (1.4 inches)77%moderate
June Weather14°C (58°F)33 mm (1.3 inches)78%high
July Weather17°C (63°F)48 mm (1.9 inches)78%high
August Weather17°C (63°F)73 mm (2.9 inches)79%moderate
September Weather14°C (57°F)80 mm (3.2 inches)86%moderate
October Weather9°C (49°F)108 mm (4.3 inches)90%low
November Weather6°C (43°F)74 mm (2.9 inches)91%low
December Weather2°C (36°F)91 mm (3.6 inches)89%low

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