December Weather in Ostvik, Sweden

Last updated: August 27, 2025

In December, the average temperature in Ostvik, Sweden hovers around -4°C (24°F), with a minimum dip as low as -21°C (-6°F) and a potential maximum of 5°C (42°F). Expect 73 mm (2.9 in) of precipitation spread across 16 days, resulting in a humid atmosphere with an average humidity level of 96%.

December Temperature in Ostvik

In December in Ostvik, the average temperature is -4°C (24°F). Maximums can reach 5°C (42°F), while minimums can drop to a chilly -21°C (-6°F). Be sure to bundle up and prepare for cold weather if you're planning to visit during this month!

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

The chart illustrates December temperature patterns in Ostvik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostvik, December typically has an average temperature of -4°C (24°F), with highs reaching up to 5°C (42°F) and lows dropping to around -21°C (-6°F).

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

December Precipitation in Ostvik

In Ostvik in December, the precipitation amount is 73 mm (2.9 in) spread over 16 days.

December Precipitation Trends in Ostvik

The chart displays monthly precipitation patterns in Ostvik, 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 Ostvik, December typically receives around 73 mm (2.9 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 Ostvik

In Ostvik in December, humidity is 96%. With an average temperature of -4°C (24°F), this humidity feels like a chilling, biting cold that seeps into your bones, making outdoor activities uncomfortable and travel quite challenging.

December Average Humidity in Ostvik

This chart illustrates the average monthly humidity levels in Ostvik, 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 Ostvik is approximately 96%, 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 Ostvik

In Ostvik 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 Ostvik.

Maximum UV Index Levels in Ostvik for December

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

Data source: Ostvik 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 Ostvik Compares to Other Months

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

This table compares monthly weather conditions in Ostvik, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	55 mm (2.2 inches)	97%	low
February Weather	-8°C (19°F)	42 mm (1.6 inches)	95%	low
March Weather	-3°C (26°F)	41 mm (1.6 inches)	90%	low
April Weather	1°C (35°F)	30 mm (1.2 inches)	84%	moderate
May Weather	7°C (45°F)	50 mm (2.0 inches)	81%	moderate
June Weather	14°C (57°F)	57 mm (2.3 inches)	78%	high
July Weather	16°C (61°F)	77 mm (3.0 inches)	82%	high
August Weather	14°C (58°F)	88 mm (3.5 inches)	84%	moderate
September Weather	9°C (49°F)	71 mm (2.8 inches)	88%	moderate
October Weather	4°C (39°F)	96 mm (3.8 inches)	92%	low
November Weather	-2°C (29°F)	57 mm (2.2 inches)	93%	low
December Weather	-4°C (24°F)	73 mm (2.9 inches)	96%	low