December Weather in Insjon, Sweden

Last updated: August 27, 2025

In Insjon, Sweden, the average temperature in December hovers around -6°C (21°F). While temperatures can plunge as low as -25°C (-13°F), they can also reach a maximum of 5°C (41°F). Expect 67 mm (2.6 in) of precipitation spread across 16 days, and prepare for high humidity levels at a staggering 100%.

December Temperature in Insjon

In December in Insjon, the average temperature is -6°C (21°F). The maximum can reach 5°C (41°F), and the minimum can be as low as -25°C (-13°F). Travelers should be prepared for cold conditions and dress warmly when visiting during this time.

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

The chart illustrates December temperature patterns in Insjon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Insjon, 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 -25°C (-13°F).

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

December Precipitation in Insjon

In Insjon in December, the precipitation amount is 67 mm (2.6 in), spread over a duration of 16 days.

December Precipitation Trends in Insjon

The chart displays monthly precipitation patterns in Insjon, 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 Insjon, December typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 16 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 Insjon

In Insjon in December humidity is 100%. With an average temperature of -6°C (21°F), this humidity feels like trudging through a dense fog, where every breath is heavy and the cold moist air clings to your skin, making it a challenge to enjoy outdoor activities.

December Average Humidity in Insjon

This chart illustrates the average monthly humidity levels in Insjon, 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 Insjon is approximately 100%, 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 Insjon

In Insjon 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 Insjon.

Maximum UV Index Levels in Insjon for December

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

Data source: Insjon 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 Insjon Compares to Other Months

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

This table compares monthly weather conditions in Insjon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (17°F)	49 mm (1.9 inches)	100%	low
February Weather	-9°C (17°F)	39 mm (1.6 inches)	98%	low
March Weather	-4°C (24°F)	39 mm (1.5 inches)	95%	low
April Weather	0°C (33°F)	33 mm (1.3 inches)	91%	moderate
May Weather	6°C (43°F)	56 mm (2.2 inches)	85%	moderate
June Weather	13°C (55°F)	68 mm (2.7 inches)	79%	high
July Weather	15°C (59°F)	87 mm (3.4 inches)	84%	high
August Weather	12°C (54°F)	92 mm (3.6 inches)	91%	moderate
September Weather	7°C (45°F)	81 mm (3.2 inches)	94%	moderate
October Weather	2°C (36°F)	84 mm (3.3 inches)	96%	low
November Weather	-4°C (26°F)	59 mm (2.3 inches)	98%	low
December Weather	-6°C (21°F)	67 mm (2.6 inches)	100%	low