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December Weather in Grillby, Sweden

Last updated: August 27, 2025

In December, the average temperature in Grillby, Sweden hovers around 0°C (32°F), with a minimum dropping to -17°C (1°F) and a peak of 9°C (49°F). Expect about 56 mm (2.2 in) of precipitation spread over 12 days, contributing to an average humidity of 90%.

December Temperature in Grillby

In December in Grillby, the average temperature is 0°C (32°F). The maximum can reach 9°C (49°F) and the minimum can be as low as -17°C (1°F). Be sure to dress warmly and prepare for chilly weather when traveling to Grillby during this time.

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

The chart illustrates December temperature patterns in Grillby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grillby, December typically has an average temperature of 0°C (32°F), with highs reaching up to 9°C (49°F) and lows dropping to around -17°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec302934415162646154453732
Data source: Temperature data for Grillby 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 Grillby

In Grillby in December, the precipitation amount is 56 mm (2.2 in) spread over 12 days.

December Precipitation Trends in Grillby

The chart displays monthly precipitation patterns in Grillby, 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 Grillby, December typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec343239306065627456744456
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Grillby

In Grillby in December, humidity is 90%. With an average temperature of 0°C (32°F), this humidity feels like an icy grip on your skin, making the air feel heavy and damp, which can turn traveling into a chilling experience where every step is met with a bone-cold embrace.

December Average Humidity in Grillby

This chart illustrates the average monthly humidity levels in Grillby, 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 Grillby is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%88%82%71%69%67%73%83%89%91%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Grillby

In Grillby 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 Grillby.

Maximum UV Index Levels in Grillby for December

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

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

This table compares monthly weather conditions in Grillby, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)34 mm (1.3 inches)91%low
February Weather-1°C (30°F)32 mm (1.2 inches)89%low
March Weather1°C (34°F)39 mm (1.5 inches)88%moderate
April Weather5°C (41°F)30 mm (1.2 inches)82%moderate
May Weather11°C (51°F)60 mm (2.4 inches)71%moderate
June Weather17°C (62°F)65 mm (2.6 inches)69%high
July Weather18°C (64°F)62 mm (2.4 inches)67%high
August Weather16°C (62°F)74 mm (2.9 inches)72%moderate
September Weather12°C (54°F)56 mm (2.2 inches)83%moderate
October Weather7°C (45°F)74 mm (2.9 inches)89%low
November Weather3°C (38°F)44 mm (1.7 inches)91%low
December Weather0°C (32°F)56 mm (2.2 inches)90%low

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