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December Weather in Oskarshamn, Sweden

Last updated: August 27, 2025

In December, the average temperature in Oskarshamn, Sweden hovers around 2°C (36°F). Expect chilly conditions with minimums dipping to -13°C (8°F) and maximums reaching up to 11°C (52°F). Rainfall is relatively modest, with 55 mm (2.2 in) spread over 12 days. Don't forget your umbrella, as the average humidity stays high at 88%, adding to the crisp atmosphere.

December Temperature in Oskarshamn

In December in Oskarshamn, the average temperature is 2°C (36°F). The maximum can reach 11°C (52°F), and the minimum can be as low as -13°C (8°F). Be prepared for chilly weather and pack accordingly if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Oskarshamn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oskarshamn, December typically has an average temperature of 2°C (36°F), with highs reaching up to 11°C (52°F) and lows dropping to around -13°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec343437435263656457494236
Data source: Temperature data for Oskarshamn 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 Oskarshamn

In Oskarshamn in December, the total precipitation amount is 55 mm (2.2 in) over a span of 12 days.

December Precipitation Trends in Oskarshamn

The chart displays monthly precipitation patterns in Oskarshamn, 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 Oskarshamn, December typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec353944224341556458624855
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Oskarshamn

In Oskarshamn in December, humidity is 88%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making traveling uncomfortable and energy-draining as every step through the chill seems heavier in the thick air.

December Average Humidity in Oskarshamn

This chart illustrates the average monthly humidity levels in Oskarshamn, 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 Oskarshamn is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%88%82%72%68%68%73%81%87%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Oskarshamn

In Oskarshamn 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 Oskarshamn.

Maximum UV Index Levels in Oskarshamn for December

The chart shows the monthly maximum UV Index (UVI) for Oskarshamn 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 Oskarshamn typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567764211
Data source: Oskarshamn 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 Oskarshamn Compares to Other Months

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

This table compares monthly weather conditions in Oskarshamn, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)35 mm (1.4 inches)90%low
February Weather1°C (34°F)39 mm (1.5 inches)89%low
March Weather3°C (37°F)44 mm (1.7 inches)88%moderate
April Weather6°C (44°F)22 mm (0.9 inches)82%moderate
May Weather11°C (53°F)43 mm (1.7 inches)72%high
June Weather17°C (64°F)41 mm (1.6 inches)68%high
July Weather19°C (66°F)55 mm (2.2 inches)68%high
August Weather18°C (64°F)64 mm (2.5 inches)73%high
September Weather14°C (57°F)58 mm (2.3 inches)81%moderate
October Weather9°C (49°F)62 mm (2.4 inches)87%low
November Weather6°C (43°F)48 mm (1.9 inches)89%low
December Weather2°C (36°F)55 mm (2.2 inches)88%low

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