December Weather in Joern, Sweden

Last updated: August 27, 2025

In December, the average temperature in Joern, Sweden hovers around -6°C (21°F), but be prepared for a chillier minimum of -26°C (-14°F) and a milder maximum reaching 5°C (41°F). Expect 62 mm (2.4 in) of precipitation spread over 14 days, with a notably high average humidity of 97%, making this month feel especially crisp and damp.

December Temperature in Joern

In December in Joern, the average temperature is -6°C (21°F). The maximum can reach 5°C (41°F), while the minimum can drop as low as -26°C (-14°F). Travelers should be prepared for very cold conditions and dress in layers to stay warm.

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

The chart illustrates December temperature patterns in Joern, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Joern, December typically has an average temperature of -6°C (21°F), with highs reaching up to 5°C (41°F) and lows dropping to around -26°C (-14°F).

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

December Precipitation in Joern

In Joern in December, the precipitation amount is 62 mm (2.4 in) over a span of 14 days.

December Precipitation Trends in Joern

The chart displays monthly precipitation patterns in Joern, 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 Joern, December typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 14 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 Joern

In Joern in December, humidity is 97%. With an average temperature of -6°C (21°F), this humidity feels like an icy blanket enveloping you, making travel particularly challenging as the cold clings to your skin and dampens even the most spirited adventures.

December Average Humidity in Joern

This chart illustrates the average monthly humidity levels in Joern, 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 Joern is approximately 97%, 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 Joern

In Joern 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 Joern.

Maximum UV Index Levels in Joern for December

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

Data source: Joern 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 Joern Compares to Other Months

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

This table compares monthly weather conditions in Joern, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	47 mm (1.9 inches)	98%	low
February Weather	-9°C (16°F)	37 mm (1.4 inches)	96%	low
March Weather	-4°C (25°F)	35 mm (1.4 inches)	92%	low
April Weather	1°C (34°F)	29 mm (1.1 inches)	87%	moderate
May Weather	7°C (45°F)	48 mm (1.9 inches)	83%	moderate
June Weather	14°C (57°F)	67 mm (2.6 inches)	77%	high
July Weather	16°C (61°F)	87 mm (3.4 inches)	83%	high
August Weather	13°C (56°F)	87 mm (3.4 inches)	87%	moderate
September Weather	8°C (47°F)	62 mm (2.4 inches)	90%	moderate
October Weather	2°C (36°F)	82 mm (3.2 inches)	93%	low
November Weather	-3°C (26°F)	49 mm (1.9 inches)	94%	low
December Weather	-6°C (21°F)	62 mm (2.4 inches)	97%	low