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January Weather in Kortesjaervi, Finland

Last updated: August 23, 2025

In January, the average temperature in Kortesjaervi, Finland hovers around a brisk -5°C (23°F). It's a month where temperatures can plunge as low as -28°C (-18°F) or rise to a milder 7°C (45°F). Expect 37 mm (1.5 in) of precipitation over about 10 days, with an impressive average humidity of 97%, creating a chilly but captivating atmosphere.

January Temperature in Kortesjaervi

In January in Kortesjaervi, the average temperature is -5°C (23°F). Maximums can reach 7°C (45°F) and minimums can be as low as -28°C (-18°F). Be prepared for cold weather and pack warm clothing if you plan to travel to Kortesjaervi during this time.

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

The chart illustrates January temperature patterns in Kortesjaervi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kortesjaervi, January typically has an average temperature of -5°C (23°F), with highs reaching up to 7°C (45°F) and lows dropping to around -28°C (-18°F).
JanFebMarAprMayJunJulAugSepOctNovDec232128374859635950413327
Data source: Temperature data for Kortesjaervi 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 Kortesjaervi

In Kortesjaervi in January, the precipitation amount is 37 mm (1.5 in) spread over a duration of 10 days.

January Precipitation Trends in Kortesjaervi

The chart displays monthly precipitation patterns in Kortesjaervi, 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 Kortesjaervi, January typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec374041446156638870865847
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Kortesjaervi

In Kortesjaervi in January humidity is 97%. With an average temperature of -5°C (23°F), this humidity feels like an icy grip on your skin, making every breath seem sharper and the air heavier, which can make traveling quite uncomfortable and challenging.

January Average Humidity in Kortesjaervi

This chart illustrates the average monthly humidity levels in Kortesjaervi, 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 Kortesjaervi is approximately 97%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%92%85%77%74%79%82%89%93%93%95%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Kortesjaervi

In Kortesjaervi 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 Kortesjaervi.

Maximum UV Index Levels in Kortesjaervi for January

The chart shows the monthly maximum UV Index (UVI) for Kortesjaervi 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 Kortesjaervi typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112456653211
Data source: Kortesjaervi 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 Kortesjaervi Compares to Other Months

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

This table compares monthly weather conditions in Kortesjaervi, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)37 mm (1.5 inches)97%low
February Weather-6°C (22°F)40 mm (1.6 inches)95%low
March Weather-2°C (28°F)41 mm (1.6 inches)92%low
April Weather3°C (37°F)44 mm (1.7 inches)85%moderate
May Weather9°C (48°F)61 mm (2.4 inches)77%moderate
June Weather15°C (60°F)56 mm (2.2 inches)74%high
July Weather17°C (63°F)63 mm (2.5 inches)79%high
August Weather15°C (59°F)88 mm (3.5 inches)82%moderate
September Weather10°C (50°F)70 mm (2.7 inches)89%moderate
October Weather5°C (41°F)86 mm (3.4 inches)93%low
November Weather1°C (34°F)58 mm (2.3 inches)93%low
December Weather-3°C (27°F)47 mm (1.8 inches)95%low

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