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December Weather in Halsua, Finland

Last updated: August 23, 2025

In December, the average temperature in Halsua, Finland hovers around -4°C (26°F), with minimums plunging as low as -23°C (-9°F) and maximums reaching up to 5°C (41°F). During this chilly month, expect 49 mm (1.9 in) of precipitation spread over 13 days, all while grappling with a high average humidity of 95%. Bundle up and stay prepared!

December Temperature in Halsua

In December in Halsua, the average temperature is -4°C (26°F), with maximums reaching 5°C (41°F) and minimums dropping as low as -23°C (-9°F). Travelers should be prepared for very cold conditions and pack accordingly.

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

The chart illustrates December temperature patterns in Halsua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Halsua, December typically has an average temperature of -4°C (26°F), with highs reaching up to 5°C (41°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec212027364759625849393225
Data source: Temperature data for Halsua 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 Halsua

In Halsua in December, the precipitation amount is 49 mm (1.9 in) over the course of 13 days.

December Precipitation Trends in Halsua

The chart displays monthly precipitation patterns in Halsua, 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 Halsua, December typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec394140446357729477886149
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Halsua

In Halsua in December humidity is 95%. With average temperature -4°C (26°F), this humidity feels like a chilling fog that wraps around you, making even the simplest outdoor activities feel arduous and uncomfortable for traveling.

December Average Humidity in Halsua

This chart illustrates the average monthly humidity levels in Halsua, 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 Halsua is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%92%85%77%74%79%82%89%93%93%95%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Halsua

In Halsua 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 Halsua.

Maximum UV Index Levels in Halsua for December

The chart shows the monthly maximum UV Index (UVI) for Halsua 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 Halsua typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112456653211
Data source: Halsua 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 Halsua Compares to Other Months

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

This table compares monthly weather conditions in Halsua, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)39 mm (1.5 inches)97%low
February Weather-7°C (20°F)41 mm (1.6 inches)95%low
March Weather-3°C (27°F)40 mm (1.6 inches)92%low
April Weather2°C (36°F)44 mm (1.7 inches)85%moderate
May Weather8°C (47°F)63 mm (2.5 inches)77%moderate
June Weather15°C (59°F)57 mm (2.2 inches)74%high
July Weather16°C (62°F)72 mm (2.8 inches)79%high
August Weather14°C (58°F)94 mm (3.7 inches)82%moderate
September Weather9°C (49°F)77 mm (3.0 inches)89%moderate
October Weather4°C (40°F)88 mm (3.5 inches)93%low
November Weather0°C (32°F)61 mm (2.4 inches)93%low
December Weather-4°C (26°F)49 mm (1.9 inches)95%low

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