December Weather in Rissa, Norway

Last updated: August 27, 2025

In December, the average temperature in Rissa, Norway hovers around 0°C (33°F), with a minimum of -13°C (9°F) and a maximum of 10°C (49°F). Expect a precipitation amount of 146 mm (5.7 in) spread across approximately 17 days, and prepare for a high average humidity of 94%.

December Temperature in Rissa

In December in Rissa, the average temperature is 0°C (33°F). The maximum can reach 10°C (49°F), and the minimum can be as low as -13°C (9°F). Travelers should be prepared for chilly conditions and pack accordingly for both warm and cold weather.

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

The chart illustrates December temperature patterns in Rissa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rissa, December typically has an average temperature of 0°C (33°F), with highs reaching up to 10°C (49°F) and lows dropping to around -13°C (9°F).

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

December Precipitation in Rissa

In Rissa in December, the precipitation amount is 146 mm (5.7 in), occurring over the course of 17 days.

December Precipitation Trends in Rissa

The chart displays monthly precipitation patterns in Rissa, 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 Rissa, December typically receives around 146 mm (5.7 inches) of precipitation spread over approximately 17 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Rissa

In Rissa in December humidity is 94%. With an average temperature of 0°C (33°F), this humidity feels like a heavy, damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay warm while traveling.

December Average Humidity in Rissa

This chart illustrates the average monthly humidity levels in Rissa, 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 Rissa is approximately 94%, 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 Rissa

In Rissa 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 Rissa.

Maximum UV Index Levels in Rissa for December

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

Data source: Rissa 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 Rissa Compares to Other Months

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

This table compares monthly weather conditions in Rissa, 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 (31°F)	126 mm (5.0 inches)	93%	low
February Weather	-1°C (31°F)	95 mm (3.7 inches)	92%	low
March Weather	1°C (34°F)	138 mm (5.4 inches)	89%	low
April Weather	4°C (40°F)	123 mm (4.8 inches)	84%	moderate
May Weather	9°C (48°F)	83 mm (3.3 inches)	81%	moderate
June Weather	13°C (56°F)	102 mm (4.0 inches)	81%	high
July Weather	15°C (59°F)	101 mm (4.0 inches)	81%	high
August Weather	14°C (57°F)	130 mm (5.1 inches)	87%	moderate
September Weather	11°C (52°F)	167 mm (6.6 inches)	89%	moderate
October Weather	7°C (45°F)	178 mm (7.0 inches)	91%	low
November Weather	3°C (37°F)	118 mm (4.7 inches)	92%	low
December Weather	0°C (33°F)	146 mm (5.7 inches)	94%	low