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December Weather in Suolahti, Finland

Last updated: August 23, 2025

In December, the average temperature in Suolahti, Finland hovers around -3°C (26°F), creating a chilly atmosphere. Expect lows of -21°C (-5°F) and highs reaching up to 4°C (40°F). With 64 mm (2.5 in) of precipitation spread over 14 days, the area is quite damp, and the average humidity sits at a remarkable 98%. Stay warm and prepared for the wet conditions!

December Temperature in Suolahti

In December in Suolahti, the average temperature is -3°C (26°F), with a maximum reaching 4°C (40°F) and a minimum that can drop as low as -21°C (-5°F). Travelers should prepare for chilly weather and pack appropriately for the significant temperature fluctuations.

December Weather in Suolahti: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Suolahti, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Suolahti, December typically has an average temperature of -3°C (26°F), with highs reaching up to 4°C (40°F) and lows dropping to around -21°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec222127364860635950413426
Data source: Temperature data for Suolahti 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.

December Precipitation in Suolahti

In Suolahti in December, the precipitation amount is 64 mm (2.5 in) spread out over 14 days.

December Precipitation Trends in Suolahti

The chart displays monthly precipitation patterns in Suolahti, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Suolahti, December typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec464340446356688171746164
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Suolahti

In Suolahti in December humidity is 98%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that creeps into your bones, making traveling uncomfortable and potentially hazardous as you navigate through the frosty air.

December Average Humidity in Suolahti

This chart illustrates the average monthly humidity levels in Suolahti, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Suolahti is approximately 98%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%97%95%87%78%74%80%85%91%95%94%98%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Suolahti

In Suolahti in December, 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 Suolahti.

Maximum UV Index Levels in Suolahti for December

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

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

This table compares monthly weather conditions in Suolahti, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (22°F)46 mm (1.8 inches)99%low
February Weather-6°C (21°F)43 mm (1.7 inches)97%low
March Weather-3°C (27°F)40 mm (1.6 inches)95%moderate
April Weather2°C (36°F)44 mm (1.7 inches)87%moderate
May Weather9°C (48°F)63 mm (2.5 inches)78%moderate
June Weather16°C (60°F)56 mm (2.2 inches)74%high
July Weather17°C (63°F)68 mm (2.7 inches)80%high
August Weather15°C (59°F)81 mm (3.2 inches)85%moderate
September Weather10°C (50°F)71 mm (2.8 inches)91%moderate
October Weather5°C (41°F)74 mm (2.9 inches)95%low
November Weather1°C (34°F)61 mm (2.4 inches)94%low
December Weather-3°C (26°F)64 mm (2.5 inches)98%low

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