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January Weather in Rosersberg, Sweden

Last updated: August 27, 2025

In January, the average temperature in Rosersberg, Sweden hovers around -1°C (31°F), with fluctuations that can dip to a chilling -21°C (-5°F) and peak at a mild 10°C (50°F). Expect around 35 mm (1.4 in) of precipitation spread over approximately 7 days, contributing to a high average humidity of 90%. Prepare for a typically brisk and damp winter experience!

January Temperature in Rosersberg

In January in Rosersberg, average temperature is -1°C (31°F). Maximum can reach 10°C (50°F) and minimum can be as low as -21°C (-5°F). Be sure to pack warm clothing and plan for varying temperatures when traveling during this time.

January Weather in Rosersberg: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Rosersberg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosersberg, January typically has an average temperature of -1°C (31°F), with highs reaching up to 10°C (50°F) and lows dropping to around -21°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec313035415162646255463933
Data source: Temperature data for Rosersberg 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.

January Precipitation in Rosersberg

In Rosersberg in January, the precipitation amount is 35 mm (1.4 in) over the course of 7 days.

January Precipitation Trends in Rosersberg

The chart displays monthly precipitation patterns in Rosersberg, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Rosersberg, January typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec353341285557597650664259
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Rosersberg

In Rosersberg in January humidity is 90%. With an average temperature of -1°C (31°F), this humidity feels like an icy blanket wrapping around you, making travel uncomfortable as the damp air seeps into your clothes, chilling you to the bone with every step you take.

January Average Humidity in Rosersberg

This chart illustrates the average monthly humidity levels in Rosersberg, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Rosersberg is approximately 90%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Rosersberg

In Rosersberg in January, 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 Rosersberg.

Maximum UV Index Levels in Rosersberg for January

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

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

This table compares monthly weather conditions in Rosersberg, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)35 mm (1.4 inches)90%low
February Weather-1°C (30°F)33 mm (1.3 inches)88%low
March Weather1°C (35°F)41 mm (1.6 inches)89%moderate
April Weather5°C (41°F)28 mm (1.1 inches)85%moderate
May Weather10°C (51°F)55 mm (2.2 inches)77%moderate
June Weather16°C (62°F)57 mm (2.2 inches)76%high
July Weather18°C (64°F)59 mm (2.3 inches)74%high
August Weather17°C (63°F)76 mm (3.0 inches)77%moderate
September Weather13°C (55°F)50 mm (2.0 inches)85%moderate
October Weather8°C (47°F)66 mm (2.6 inches)89%low
November Weather4°C (39°F)42 mm (1.6 inches)90%low
December Weather1°C (33°F)59 mm (2.3 inches)87%low

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