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December Weather in Osby, Sweden

Last updated: August 27, 2025

In December, the average temperature in Osby, Sweden hovers around 2°C (35°F), with striking fluctuations: while it can drop to a frigid -15°C (4°F), it may peak at a mild 9°C (49°F). Expect 65 mm (2.6 in) of precipitation spread over about 15 days, contributing to the notably high average humidity of 91%.

December Temperature in Osby

In December in Osby, the average temperature is 2°C (35°F). Maximum temperatures can reach 9°C (49°F), while minimums can drop to as low as -15°C (4°F). Pack warm clothing and prepare for chilly conditions if you're planning to visit during this time.

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

The chart illustrates December temperature patterns in Osby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osby, December typically has an average temperature of 2°C (35°F), with highs reaching up to 9°C (49°F) and lows dropping to around -15°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec343336435262636155484135
Data source: Temperature data for Osby 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 Osby

In Osby in December, the total precipitation amount reaches 65 mm (2.6 in) over the course of 15 days.

December Precipitation Trends in Osby

The chart displays monthly precipitation patterns in Osby, 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 Osby, December typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec486164396560929368864666
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Osby

In Osby in December, humidity is 91%. With an average temperature of 2°C (35°F), this humidity feels like a heavy blanket enveloping you, making travel rather uncomfortable and potentially discouraging for outdoor activities.

December Average Humidity in Osby

This chart illustrates the average monthly humidity levels in Osby, 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 Osby is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%89%82%70%65%65%71%82%90%92%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Osby

In Osby 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 Osby.

Maximum UV Index Levels in Osby for December

The chart shows the monthly maximum UV Index (UVI) for Osby 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 Osby typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Osby 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 Osby Compares to Other Months

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

This table compares monthly weather conditions in Osby, 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)92%low
February Weather0°C (33°F)61 mm (2.4 inches)91%low
March Weather2°C (36°F)63 mm (2.5 inches)89%moderate
April Weather6°C (44°F)39 mm (1.5 inches)82%moderate
May Weather11°C (52°F)65 mm (2.5 inches)70%high
June Weather17°C (62°F)60 mm (2.4 inches)65%high
July Weather17°C (63°F)92 mm (3.6 inches)65%high
August Weather16°C (62°F)93 mm (3.7 inches)71%high
September Weather13°C (56°F)68 mm (2.7 inches)82%moderate
October Weather9°C (48°F)86 mm (3.4 inches)90%moderate
November Weather5°C (42°F)46 mm (1.8 inches)92%low
December Weather2°C (35°F)65 mm (2.6 inches)91%low

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