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April Weather in Korsnaes, Finland

Last updated: August 23, 2025

In April, the average temperature in Korsnaes, Finland hovers around 3°C (37°F). Expect a chill in the air with minimum temperatures plummeting to -12°C (11°F), while the maximum can reach a mild 19°C (67°F). Be prepared for some wet weather, as precipitation averages about 39 mm (1.5 in) over 8 days, coupled with a high average humidity of 85%.

April Temperature in Korsnaes

In April in Korsnaes, the average temperature is 3°C (37°F), with maximums reaching 19°C (67°F) and minimums dropping as low as -12°C (11°F). Travelers should be prepared for a range of temperatures, from chilly days to occasional warmer spells.

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

The chart illustrates April temperature patterns in Korsnaes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Korsnaes, April typically has an average temperature of 3°C (37°F), with highs reaching up to 19°C (67°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec272530374758626052433730
Data source: Temperature data for Korsnaes 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 Korsnaes

In Korsnaes in April, the precipitation amount is 39 mm (1.5 in) over the course of 8 days.

April Precipitation Trends in Korsnaes

The chart displays monthly precipitation patterns in Korsnaes, 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 Korsnaes, April typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec404542393957628881876060
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Korsnaes

In Korsnaes in April, humidity is 85%. With an average temperature of 3°C (37°F), this humidity feels like a chilling blanket enveloping you, making traveling uncomfortable as your clothes cling to your skin and the cold air bites at your face.

April Average Humidity in Korsnaes

This chart illustrates the average monthly humidity levels in Korsnaes, 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 Korsnaes 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 Korsnaes

In Korsnaes 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 Korsnaes for better planning.

Maximum UV Index Levels in Korsnaes for April

The chart shows the monthly maximum UV Index (UVI) for Korsnaes 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 Korsnaes typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112456653211
Data source: Korsnaes 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 Korsnaes Compares to Other Months

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

This table compares monthly weather conditions in Korsnaes, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)40 mm (1.6 inches)95%low
February Weather-4°C (25°F)45 mm (1.8 inches)93%low
March Weather-1°C (30°F)42 mm (1.7 inches)91%low
April Weather3°C (37°F)39 mm (1.5 inches)85%moderate
May Weather8°C (47°F)39 mm (1.5 inches)77%moderate
June Weather14°C (58°F)57 mm (2.3 inches)74%high
July Weather17°C (63°F)62 mm (2.4 inches)80%high
August Weather16°C (60°F)88 mm (3.5 inches)82%moderate
September Weather11°C (52°F)81 mm (3.2 inches)88%moderate
October Weather6°C (44°F)87 mm (3.4 inches)92%low
November Weather3°C (37°F)60 mm (2.4 inches)92%low
December Weather-1°C (30°F)59 mm (2.3 inches)93%low

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