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December Weather in Virtasalmi, Finland

Last updated: August 23, 2025

In December, the average temperature in Virtasalmi, Finland is a chilly -4°C (26°F). Temperatures can dip as low as -22°C (-8°F) and peak at 4°C (40°F). Expect 67 mm (2.6 in) of precipitation over 16 days, with an average humidity of 98%—perfect for cozying up indoors!

December Temperature in Virtasalmi

In December in Virtasalmi, the average temperature is -4°C (26°F), with maximums reaching up to 4°C (40°F) and minimums dipping as low as -22°C (-8°F). Be prepared for chilly weather if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Virtasalmi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Virtasalmi, December typically has an average temperature of -4°C (26°F), with highs reaching up to 4°C (40°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec222127364860636050413426
Data source: Temperature data for Virtasalmi 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 Virtasalmi

In Virtasalmi in December, the precipitation amount is 67 mm (2.6 in), spread over a duration of 16 days.

December Precipitation Trends in Virtasalmi

The chart displays monthly precipitation patterns in Virtasalmi, 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 Virtasalmi, December typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec494244455864858476736267
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Virtasalmi

In Virtasalmi in December humidity is 98%. With an average temperature of -4°C (26°F), this humidity feels like a bone-chilling embrace, making it difficult to enjoy outdoor activities and travel comfortably.

December Average Humidity in Virtasalmi

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

In Virtasalmi 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 Virtasalmi.

Maximum UV Index Levels in Virtasalmi for December

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

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

This table compares monthly weather conditions in Virtasalmi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)49 mm (1.9 inches)99%low
February Weather-6°C (21°F)42 mm (1.7 inches)97%low
March Weather-3°C (27°F)44 mm (1.7 inches)95%moderate
April Weather2°C (36°F)45 mm (1.8 inches)87%moderate
May Weather9°C (49°F)58 mm (2.3 inches)78%moderate
June Weather16°C (61°F)64 mm (2.5 inches)74%high
July Weather17°C (63°F)85 mm (3.4 inches)80%high
August Weather15°C (60°F)84 mm (3.3 inches)85%moderate
September Weather10°C (51°F)76 mm (3.0 inches)91%moderate
October Weather5°C (42°F)73 mm (2.9 inches)95%low
November Weather1°C (34°F)62 mm (2.5 inches)94%low
December Weather-4°C (26°F)67 mm (2.6 inches)98%low

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