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December Weather in Nynaeshamn, Sweden

Last updated: August 27, 2025

In December, the average temperature in Nynaeshamn, Sweden hovers around 2°C (36°F), with minimums dipping to -10°C (15°F) and maximums reaching up to 9°C (48°F). Expect a fair amount of wet weather, with 74 mm (2.9 in) of precipitation spread across 16 days. The atmosphere can feel quite damp, with an average humidity of 87%.

December Temperature in Nynaeshamn

In December in Nynaeshamn, the average temperature is 2°C (36°F). The maximum can reach 9°C (48°F), while the minimum can drop as low as -10°C (15°F). Be prepared for chilly weather and pack warm clothing if you're planning to visit during this time.

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

The chart illustrates December temperature patterns in Nynaeshamn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nynaeshamn, December typically has an average temperature of 2°C (36°F), with highs reaching up to 9°C (48°F) and lows dropping to around -10°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec343235404859646356484236
Data source: Temperature data for Nynaeshamn 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 Nynaeshamn

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

December Precipitation Trends in Nynaeshamn

The chart displays monthly precipitation patterns in Nynaeshamn, 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 Nynaeshamn, December typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec484046255041516257815874
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Nynaeshamn

In Nynaeshamn 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 Nynaeshamn

This chart illustrates the average monthly humidity levels in Nynaeshamn, 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 Nynaeshamn 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 Nynaeshamn

In Nynaeshamn 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 Nynaeshamn.

Maximum UV Index Levels in Nynaeshamn for December

The chart shows the monthly maximum UV Index (UVI) for Nynaeshamn 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 Nynaeshamn typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Nynaeshamn 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 Nynaeshamn Compares to Other Months

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

This table compares monthly weather conditions in Nynaeshamn, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)48 mm (1.9 inches)90%low
February Weather0°C (33°F)40 mm (1.6 inches)88%low
March Weather2°C (36°F)46 mm (1.8 inches)89%moderate
April Weather5°C (41°F)25 mm (1.0 inches)85%moderate
May Weather9°C (49°F)50 mm (2.0 inches)77%moderate
June Weather15°C (60°F)41 mm (1.6 inches)76%high
July Weather18°C (64°F)51 mm (2.0 inches)74%high
August Weather17°C (63°F)62 mm (2.4 inches)77%moderate
September Weather13°C (57°F)57 mm (2.2 inches)85%moderate
October Weather9°C (48°F)81 mm (3.2 inches)89%low
November Weather5°C (42°F)58 mm (2.3 inches)90%low
December Weather2°C (36°F)74 mm (2.9 inches)87%low

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