December Weather in Namsos, Norway

Last updated: August 27, 2025

In December, the average temperature in Namsos, Norway hovers around 0°C (32°F), but be prepared for a range that can dip as low as -17°C (2°F) and soar to a maximum of 9°C (48°F). This month also sees considerable precipitation, totaling 131 mm (5.2 in) over approximately 17 days, contributing to a high average humidity of 85%. Stay warm and dry!

December Temperature in Namsos

In December in Namsos, the average temperature is 0°C (32°F). Maximums can reach 9°C (48°F), while minimums can be as low as -17°C (2°F). Travelers should be prepared for cold weather and pack accordingly.

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

The chart illustrates December temperature patterns in Namsos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Namsos, December typically has an average temperature of 0°C (32°F), with highs reaching up to 9°C (48°F) and lows dropping to around -17°C (2°F).

Data source: Temperature data for Namsos generated using information from the Copernicus Climate Change Service.

December Precipitation in Namsos

In Namsos in December, the total precipitation amount is 131 mm (5.2 in) over the course of 17 days.

December Precipitation Trends in Namsos

The chart displays monthly precipitation patterns in Namsos, 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 Namsos, December typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 17 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Namsos

In Namsos in December, humidity is 85%. With an average temperature of 0°C (32°F), this humidity feels like a damp chill that clings to your clothes, making every step feel more arduous and the air heavy, which can dampen the enthusiasm for exploring the surroundings.

December Average Humidity in Namsos

This chart illustrates the average monthly humidity levels in Namsos, 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 Namsos is approximately 85%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Namsos

In Namsos 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 Namsos.

Maximum UV Index Levels in Namsos for December

The chart shows the monthly maximum UV Index (UVI) for Namsos 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 Namsos typically reaches 1, which falls under the low exposure category.

Data source: Namsos 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 Namsos Compares to Other Months

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

This table compares monthly weather conditions in Namsos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	139 mm (5.5 inches)	86%	low
February Weather	-2°C (29°F)	101 mm (4.0 inches)	84%	low
March Weather	1°C (34°F)	149 mm (5.9 inches)	83%	low
April Weather	4°C (40°F)	127 mm (5.0 inches)	80%	moderate
May Weather	8°C (48°F)	74 mm (2.9 inches)	75%	moderate
June Weather	13°C (56°F)	106 mm (4.2 inches)	78%	high
July Weather	15°C (59°F)	96 mm (3.8 inches)	79%	high
August Weather	14°C (57°F)	156 mm (6.1 inches)	81%	moderate
September Weather	11°C (52°F)	199 mm (7.8 inches)	84%	moderate
October Weather	6°C (43°F)	158 mm (6.2 inches)	87%	low
November Weather	2°C (36°F)	124 mm (4.9 inches)	86%	low
December Weather	0°C (32°F)	131 mm (5.2 inches)	85%	low