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December Weather in Tonstad, Norway

Last updated: August 27, 2025

In December, the average temperature in Tonstad, Norway hovers around -1°C (31°F). While you may experience chilly minimums of -15°C (4°F), daytime highs can reach up to 7°C (45°F). Expect 219 mm (8.6 in) of precipitation across 22 days, contributing to an average humidity level of 90%. This blend of cool temperatures and moist conditions makes December a unique time in Tonstad.

December Temperature in Tonstad

In December in Tonstad, the average temperature is -1°C (31°F), with maximums reaching 7°C (45°F) and minimums dropping as low as -15°C (4°F). Travelers should prepare for cold conditions and dress warmly if visiting during this time.

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

The chart illustrates December temperature patterns in Tonstad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tonstad, December typically has an average temperature of -1°C (31°F), with highs reaching up to 7°C (45°F) and lows dropping to around -15°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec282730364553565449423530
Data source: Temperature data for Tonstad 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 Tonstad

In Tonstad in December, the precipitation amount is 219 mm (8.6 in) over the course of 22 days.

December Precipitation Trends in Tonstad

The chart displays monthly precipitation patterns in Tonstad, 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 Tonstad, December typically receives around 219 mm (8.6 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec17420018384112142149188204262201219
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tonstad

In Tonstad in December humidity is 90%. With an average temperature of -1°C (31°F), this humidity feels like an icy blanket wrapping around you, making travel uncomfortable as the damp air seeps into your clothes, chilling you to the bone with every step you take.

December Average Humidity in Tonstad

This chart illustrates the average monthly humidity levels in Tonstad, 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 Tonstad is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%90%87%84%81%86%87%90%92%93%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tonstad

In Tonstad 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 Tonstad.

Maximum UV Index Levels in Tonstad for December

The chart shows the monthly maximum UV Index (UVI) for Tonstad 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 Tonstad typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567764211
Data source: Tonstad 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 Tonstad Compares to Other Months

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

This table compares monthly weather conditions in Tonstad, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)174 mm (6.8 inches)92%low
February Weather-3°C (27°F)200 mm (7.9 inches)90%low
March Weather-1°C (30°F)183 mm (7.2 inches)90%moderate
April Weather2°C (36°F)84 mm (3.3 inches)87%moderate
May Weather7°C (45°F)111 mm (4.4 inches)84%high
June Weather12°C (54°F)142 mm (5.6 inches)81%high
July Weather13°C (56°F)149 mm (5.9 inches)86%high
August Weather12°C (54°F)188 mm (7.4 inches)87%high
September Weather9°C (49°F)204 mm (8.0 inches)90%moderate
October Weather5°C (42°F)262 mm (10.3 inches)92%low
November Weather2°C (35°F)200 mm (7.9 inches)93%low
December Weather-1°C (31°F)219 mm (8.6 inches)90%low

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