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January Weather in Kaarina, Finland

Last updated: August 23, 2025

In January, the average temperature in Kaarina, Finland hovers around -2°C (28°F). Expect chilly extremes, with minimums dipping as low as -25°C (-13°F) and a possible maximum of 8°C (47°F). With an average humidity of 92%, you can anticipate a damp atmosphere, accompanied by 48 mm (1.9 in) of precipitation over 9 days. Prepare accordingly!

January Temperature in Kaarina

In January in Kaarina, the average temperature is -2°C (28°F), with maximums reaching 8°C (47°F) and minimums plunging as low as -25°C (-13°F). Travelers should be prepared for chilly conditions and pack accordingly to enjoy their time in this winter wonderland.

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

The chart illustrates January temperature patterns in Kaarina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kaarina, January typically has an average temperature of -2°C (28°F), with highs reaching up to 8°C (47°F) and lows dropping to around -25°C (-13°F).
JanFebMarAprMayJunJulAugSepOctNovDec282631405061646153453831
Data source: Temperature data for Kaarina 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 Kaarina

In Kaarina in January, the total precipitation amount is 48 mm (1.9 in) spread over 9 days.

January Precipitation Trends in Kaarina

The chart displays monthly precipitation patterns in Kaarina, 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 Kaarina, January typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec484245344845859569785474
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Kaarina

In Kaarina in January humidity is 92%. With an average temperature of -2°C (28°F), this humidity feels like a biting chill that penetrates layers of clothing, making outdoor activities uncomfortable and travel quite challenging.

January Average Humidity in Kaarina

This chart illustrates the average monthly humidity levels in Kaarina, 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 Kaarina is approximately 92%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Kaarina

In Kaarina 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 Kaarina.

Maximum UV Index Levels in Kaarina for January

The chart shows the monthly maximum UV Index (UVI) for Kaarina 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 Kaarina typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Kaarina 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 Kaarina Compares to Other Months

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

This table compares monthly weather conditions in Kaarina, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)48 mm (1.9 inches)92%low
February Weather-3°C (26°F)42 mm (1.7 inches)90%low
March Weather0°C (31°F)45 mm (1.8 inches)89%moderate
April Weather4°C (40°F)34 mm (1.3 inches)85%moderate
May Weather10°C (50°F)48 mm (1.9 inches)77%moderate
June Weather16°C (61°F)45 mm (1.8 inches)78%high
July Weather18°C (64°F)85 mm (3.4 inches)78%high
August Weather16°C (62°F)95 mm (3.7 inches)79%moderate
September Weather12°C (54°F)69 mm (2.7 inches)86%moderate
October Weather7°C (45°F)78 mm (3.1 inches)90%low
November Weather3°C (38°F)54 mm (2.1 inches)91%low
December Weather0°C (31°F)74 mm (2.9 inches)89%low

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