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December Weather in Stromma, Sweden

Last updated: August 27, 2025

In December, the average temperature in Stromma, Sweden hovers around 2°C (36°F), with lows dipping to -8°C (17°F) and highs reaching up to 8°C (47°F). The area experiences 74 mm (2.9 in) of precipitation over approximately 16 days, while humidity remains high at an average of 87%.

December Temperature in Stromma

In December in Stromma, the average temperature is 2°C (36°F). The maximum can reach 8°C (47°F), while the minimum can drop as low as -8°C (17°F). Be sure to pack warm clothing if you plan to travel during this chilly season!

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

The chart illustrates December temperature patterns in Stromma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stromma, December typically has an average temperature of 2°C (36°F), with highs reaching up to 8°C (47°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec333234394758636356484236
Data source: Temperature data for Stromma generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Stromma

In Stromma in December, the total precipitation amount is 74 mm (2.9 in) spread over 16 days.

December Precipitation Trends in Stromma

The chart displays monthly precipitation patterns in Stromma, 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 Stromma, December typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec443941264637535751865374
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Stromma

In Stromma in December, humidity is 87%. With an average temperature of 2°C (36°F), this humidity feels like an unwelcome chill that seeps into your bones, making outdoor exploration feel damp and heavy, and encouraging travelers to seek the warmth of indoor attractions instead.

December Average Humidity in Stromma

This chart illustrates the average monthly humidity levels in Stromma, 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 Stromma is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%89%85%77%76%74%77%85%89%90%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Stromma

In Stromma 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 Stromma.

Maximum UV Index Levels in Stromma for December

The chart shows the monthly maximum UV Index (UVI) for Stromma 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 Stromma typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Stromma 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 Stromma Compares to Other Months

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

This table compares monthly weather conditions in Stromma, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)44 mm (1.7 inches)90%low
February Weather0°C (32°F)39 mm (1.5 inches)88%low
March Weather1°C (35°F)41 mm (1.6 inches)89%moderate
April Weather4°C (39°F)26 mm (1.0 inches)85%moderate
May Weather8°C (47°F)46 mm (1.8 inches)77%moderate
June Weather14°C (58°F)37 mm (1.4 inches)76%high
July Weather17°C (63°F)53 mm (2.1 inches)74%high
August Weather17°C (63°F)57 mm (2.3 inches)77%moderate
September Weather13°C (56°F)50 mm (2.0 inches)85%moderate
October Weather9°C (48°F)86 mm (3.4 inches)89%low
November Weather5°C (42°F)53 mm (2.1 inches)90%low
December Weather2°C (36°F)74 mm (2.9 inches)87%low

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