December Weather in Sem, Norway

Last updated: August 27, 2025

In December, the average temperature in Sem, Norway hovers around 1°C (34°F), with a minimum of -9°C (16°F) and a maximum of 9°C (49°F). Expect 127 mm (5.0 in) of precipitation spread over 17 days, accompanied by a high humidity level of 93%. Prepare for a chilly and damp experience!

December Temperature in Sem

In December in Sem, the average temperature is 1°C (34°F). Maximum temperatures can reach 9°C (49°F), while minimums can drop as low as -9°C (16°F). It's advisable to dress warmly and prepare for chilly conditions when traveling during this time.

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

The chart illustrates December temperature patterns in Sem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sem, December typically has an average temperature of 1°C (34°F), with highs reaching up to 9°C (49°F) and lows dropping to around -9°C (16°F).

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

December Precipitation in Sem

In Sem in December, the precipitation amount is 127 mm (5.0 in) over the course of 17 days.

December Precipitation Trends in Sem

The chart displays monthly precipitation patterns in Sem, 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 Sem, December typically receives around 127 mm (5.0 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 Sem

In Sem in December humidity is 93%. With an average temperature of 1°C (34°F), this humidity feels like an icy blanket enveloping you, making every step outdoors a challenge as the cold air clings to your skin, intensifying the chill and dampness.

December Average Humidity in Sem

This chart illustrates the average monthly humidity levels in Sem, 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 Sem is approximately 93%, 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 Sem

In Sem 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 Sem.

Maximum UV Index Levels in Sem for December

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

Data source: Sem 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 Sem Compares to Other Months

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

This table compares monthly weather conditions in Sem, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	75 mm (2.9 inches)	94%	low
February Weather	0°C (32°F)	80 mm (3.1 inches)	92%	low
March Weather	2°C (36°F)	77 mm (3.0 inches)	89%	moderate
April Weather	6°C (43°F)	37 mm (1.5 inches)	82%	moderate
May Weather	11°C (52°F)	79 mm (3.1 inches)	73%	moderate
June Weather	16°C (61°F)	90 mm (3.6 inches)	71%	high
July Weather	18°C (64°F)	93 mm (3.7 inches)	72%	high
August Weather	17°C (62°F)	90 mm (3.5 inches)	77%	moderate
September Weather	13°C (56°F)	138 mm (5.4 inches)	86%	moderate
October Weather	9°C (48°F)	155 mm (6.1 inches)	92%	low
November Weather	4°C (40°F)	128 mm (5.1 inches)	93%	low
December Weather	1°C (34°F)	127 mm (5.0 inches)	93%	low