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January Weather in Korsholm, Finland

Last updated: August 23, 2025

In Korsholm, Finland, the average temperature in January hovers around -4°C (26°F). Expect chilly days, with minimums plunging to -25°C (-13°F) and occasional highs reaching 8°C (47°F). During this period, precipitation amounts to 38 mm (1.5 in) over about 9 days, and the average humidity is notably high at 95%. Prepare for a wet and cold experience!

January Temperature in Korsholm

In January in Korsholm, the average temperature is -4°C (26°F), with maximums reaching 8°C (47°F) and minimums dropping as low as -25°C (-13°F). Travelers should prepare for cold conditions and pack warm clothing if visiting during this time.

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

The chart illustrates January 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, January typically has an average temperature of -4°C (26°F), with highs reaching up to 8°C (47°F) and lows dropping to around -25°C (-13°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.

January Precipitation in Korsholm

In Korsholm in January, the total precipitation amount is 38 mm (1.5 in) spread over a duration of 9 days.

January Precipitation Trends in Korsholm

The chart displays monthly precipitation patterns in Korsholm, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Korsholm, January typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec384141414558638874825750
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Korsholm

In Korsholm in January humidity is 95%. With average temperature -4°C (26°F), this humidity feels like a chilling fog that wraps around you, making even the simplest outdoor activities feel arduous and uncomfortable for traveling.

January Average Humidity in Korsholm

This chart illustrates the average monthly humidity levels in Korsholm, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Korsholm is approximately 95%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Korsholm

In Korsholm in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Korsholm.

Maximum UV Index Levels in Korsholm for January

The chart shows the monthly maximum UV Index (UVI) for Korsholm in January, 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 January, the maximum UV index in Korsholm typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113356653211
Data source: Korsholm January 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 January 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 January’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 January’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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