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January Weather in Siikainen, Finland

Last updated: August 23, 2025

In January, the average temperature in Siikainen, Finland hovers around -3°C (26°F), with extremes reaching as low as -25°C (-12°F) and peaking at 8°C (47°F). Expect 42 mm (1.7 in) of precipitation spread over 11 days, contributing to an average humidity level of 92%.

January Temperature in Siikainen

In January in Siikainen, the average temperature is -3°C (26°F). The maximum can reach 8°C (47°F), while the minimum can drop as low as -25°C (-12°F). Travelers should be prepared for a wide range of temperatures, so dress in layers to stay comfortable during their visit.

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

The chart illustrates January temperature patterns in Siikainen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siikainen, January typically has an average temperature of -3°C (26°F), with highs reaching up to 8°C (47°F) and lows dropping to around -25°C (-12°F).
JanFebMarAprMayJunJulAugSepOctNovDec262430384960646052433629
Data source: Temperature data for Siikainen 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 Siikainen

In Siikainen in January, the precipitation amount is 42 mm (1.7 in) spread over 11 days.

January Precipitation Trends in Siikainen

The chart displays monthly precipitation patterns in Siikainen, 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 Siikainen, January typically receives around 42 mm (1.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4346474342628310676816668
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Siikainen

In Siikainen in January, humidity is 92%. With an average temperature of -3°C (26°F), this humidity feels like a biting cold that cuts through your clothing, making outdoor activities uncomfortable and travel quite challenging.

January Average Humidity in Siikainen

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

In Siikainen 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 Siikainen.

Maximum UV Index Levels in Siikainen for January

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

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

This table compares monthly weather conditions in Siikainen, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)42 mm (1.7 inches)92%low
February Weather-4°C (24°F)46 mm (1.8 inches)90%low
March Weather-1°C (30°F)47 mm (1.8 inches)89%moderate
April Weather3°C (38°F)43 mm (1.7 inches)85%moderate
May Weather9°C (49°F)42 mm (1.7 inches)77%moderate
June Weather16°C (61°F)62 mm (2.5 inches)78%high
July Weather18°C (64°F)83 mm (3.3 inches)78%high
August Weather15°C (60°F)106 mm (4.2 inches)79%moderate
September Weather11°C (52°F)76 mm (3.0 inches)86%moderate
October Weather6°C (43°F)81 mm (3.2 inches)90%low
November Weather2°C (36°F)65 mm (2.6 inches)91%low
December Weather-2°C (29°F)68 mm (2.7 inches)89%low

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