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January Weather in Eurajoki, Finland

Last updated: August 23, 2025

In January, the average temperature in Eurajoki, Finland hovers around -2°C (30°F), with extremes dipping to a chilly -20°C (-3°F) and peaking at a brisk 7°C (45°F). Expect about 43 mm (1.7 in) of precipitation over 10 days, contributing to the high average humidity of 92%. Prepare for a wintery mix!

January Temperature in Eurajoki

In January in Eurajoki, the average temperature is -2°C (30°F). Maximums can reach 7°C (45°F) and minimums can drop as low as -20°C (-3°F). Be sure to dress warmly and prepare for a wide range of temperatures while exploring.

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

The chart illustrates January temperature patterns in Eurajoki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Eurajoki, January typically has an average temperature of -2°C (30°F), with highs reaching up to 7°C (45°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec292732394859636154453932
Data source: Temperature data for Eurajoki 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 Eurajoki

In Eurajoki in January, the precipitation amount is 43 mm (1.7 in) over a span of 10 days.

January Precipitation Trends in Eurajoki

The chart displays monthly precipitation patterns in Eurajoki, 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 Eurajoki, January typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec444042364148868872846169
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Eurajoki

In Eurajoki in January, humidity is 92%. With an average temperature of -2°C (30°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel quite challenging.

January Average Humidity in Eurajoki

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

In Eurajoki 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 Eurajoki.

Maximum UV Index Levels in Eurajoki for January

The chart shows the monthly maximum UV Index (UVI) for Eurajoki 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 Eurajoki typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Eurajoki 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 Eurajoki Compares to Other Months

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

This table compares monthly weather conditions in Eurajoki, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (30°F)43 mm (1.7 inches)92%low
February Weather-3°C (27°F)40 mm (1.6 inches)90%low
March Weather0°C (32°F)42 mm (1.7 inches)89%moderate
April Weather4°C (39°F)36 mm (1.4 inches)85%moderate
May Weather9°C (48°F)41 mm (1.6 inches)77%moderate
June Weather15°C (59°F)48 mm (1.9 inches)78%high
July Weather17°C (63°F)86 mm (3.4 inches)78%high
August Weather16°C (62°F)88 mm (3.5 inches)79%moderate
September Weather12°C (54°F)72 mm (2.8 inches)86%moderate
October Weather7°C (45°F)84 mm (3.3 inches)90%low
November Weather4°C (39°F)61 mm (2.4 inches)91%low
December Weather0°C (32°F)69 mm (2.7 inches)89%low

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