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December Weather in Tysvaer, Norway

Last updated: August 27, 2025

In December, the average temperature in Tysvaer, Norway hovers around 5°C (41°F). Expect chilly conditions, with minimums plunging to -4°C (25°F) and highs reaching a mild 10°C (51°F). The weather is frequently damp, with 230 mm (9.1 in) of precipitation spread across 21 days, contributing to an average humidity level of 90%. Embrace the cozy vibes and prepare for a wet yet invigorating stay!

December Temperature in Tysvaer

In December in Tysvaer, the average temperature is 5°C (41°F), with maximums reaching 10°C (51°F) and minimums dropping as low as -4°C (25°F). Therefore, it's advisable to pack warm clothing and be prepared for chilly conditions while traveling.

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

The chart illustrates December temperature patterns in Tysvaer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tysvaer, December typically has an average temperature of 5°C (41°F), with highs reaching up to 10°C (51°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec393840445057596056504541
Data source: Temperature data for Tysvaer 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 Tysvaer

In Tysvaer in December, the precipitation amount is 230 mm (9.1 in) spread over 21 days.

December Precipitation Trends in Tysvaer

The chart displays monthly precipitation patterns in Tysvaer, 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 Tysvaer, December typically receives around 230 mm (9.1 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec1661711638987128135229249357234230
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tysvaer

In Tysvaer in December, humidity is 90%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your skin, making travel feel more strenuous as you navigate the cold air mixed with moisture, potentially leaving you feeling sluggish and uncomfortable.

December Average Humidity in Tysvaer

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

In Tysvaer 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 Tysvaer.

Maximum UV Index Levels in Tysvaer for December

The chart shows the monthly maximum UV Index (UVI) for Tysvaer 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 Tysvaer typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113467654211
Data source: Tysvaer 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 Tysvaer Compares to Other Months

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

This table compares monthly weather conditions in Tysvaer, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)166 mm (6.5 inches)92%low
February Weather3°C (38°F)171 mm (6.7 inches)90%low
March Weather4°C (40°F)163 mm (6.4 inches)90%moderate
April Weather7°C (44°F)89 mm (3.5 inches)87%moderate
May Weather10°C (50°F)86 mm (3.4 inches)84%high
June Weather14°C (57°F)128 mm (5.1 inches)81%high
July Weather15°C (59°F)135 mm (5.3 inches)86%high
August Weather15°C (60°F)229 mm (9.0 inches)87%moderate
September Weather13°C (56°F)249 mm (9.8 inches)90%moderate
October Weather10°C (51°F)357 mm (14.0 inches)92%low
November Weather7°C (45°F)234 mm (9.2 inches)93%low
December Weather5°C (41°F)230 mm (9.1 inches)90%low

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