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December Weather in Mietoinen, Finland

Last updated: August 23, 2025

In December, the average temperature in Mietoinen, Finland hovers around -1°C (31°F). Expect chilly conditions, with minimums plummeting to -20°C (-4°F) and highs reaching up to 7°C (44°F). The month also sees 72 mm (2.8 in) of precipitation spread over 13 days, while average humidity remains high at 89%. Get ready for a wintery experience!

December Temperature in Mietoinen

In December in Mietoinen, the average temperature is -1°C (31°F). Maximum can reach 7°C (44°F) and minimum can be as low as -20°C (-4°F). It's essential to pack warm clothing and prepare for chilly conditions when traveling during this time.

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

The chart illustrates December temperature patterns in Mietoinen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mietoinen, December typically has an average temperature of -1°C (31°F), with highs reaching up to 7°C (44°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec282632405061646153443831
Data source: Temperature data for Mietoinen 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 Mietoinen

In Mietoinen in December, the precipitation amount is 72 mm (2.8 in) over a period of 13 days.

December Precipitation Trends in Mietoinen

The chart displays monthly precipitation patterns in Mietoinen, 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 Mietoinen, December typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec454143354749818363775372
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mietoinen

In Mietoinen in December humidity is 89%. With an average temperature of -1°C (31°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and urging you to seek warmth indoors.

December Average Humidity in Mietoinen

This chart illustrates the average monthly humidity levels in Mietoinen, 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 Mietoinen is approximately 89%, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Mietoinen

In Mietoinen 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 Mietoinen.

Maximum UV Index Levels in Mietoinen for December

The chart shows the monthly maximum UV Index (UVI) for Mietoinen 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 Mietoinen typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Mietoinen 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 Mietoinen Compares to Other Months

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

This table compares monthly weather conditions in Mietoinen, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)45 mm (1.8 inches)92%low
February Weather-3°C (26°F)41 mm (1.6 inches)90%low
March Weather0°C (32°F)43 mm (1.7 inches)89%moderate
April Weather4°C (40°F)35 mm (1.4 inches)85%moderate
May Weather10°C (50°F)47 mm (1.9 inches)77%moderate
June Weather16°C (61°F)49 mm (1.9 inches)78%high
July Weather18°C (64°F)80 mm (3.2 inches)78%high
August Weather16°C (62°F)83 mm (3.3 inches)79%moderate
September Weather12°C (54°F)63 mm (2.5 inches)86%moderate
October Weather7°C (45°F)77 mm (3.0 inches)90%low
November Weather3°C (38°F)53 mm (2.1 inches)91%low
December Weather-1°C (31°F)72 mm (2.8 inches)89%low

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