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January Weather in Sundbyberg, Sweden

Last updated: August 27, 2025

In January, the average temperature in Sundbyberg, Sweden hovers around 0°C (32°F). Expect chilly conditions with a minimum dipping to -18°C (-1°F) and a maximum reaching 10°C (51°F). During this month, precipitation averages 38 mm (1.5 in) spread over 8 days, accompanied by a high humidity level of 90%. Prepare for a cool, damp experience!

January Temperature in Sundbyberg

In January in Sundbyberg, the average temperature is 0°C (32°F). Maximums can reach 10°C (51°F) and minimums can be as low as -18°C (-1°F). This unpredictable weather makes it essential to pack layers and be prepared for both cold and mild conditions while traveling.

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

The chart illustrates January temperature patterns in Sundbyberg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sundbyberg, January typically has an average temperature of 0°C (32°F), with highs reaching up to 10°C (51°F) and lows dropping to around -18°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec323135415061646255474034
Data source: Temperature data for Sundbyberg 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 Sundbyberg

In Sundbyberg in January, the total precipitation amount is 38 mm (1.5 in), spread over 8 days.

January Precipitation Trends in Sundbyberg

The chart displays monthly precipitation patterns in Sundbyberg, 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 Sundbyberg, January typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec383443255249556750654361
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Sundbyberg

In Sundbyberg in January, 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.

January Average Humidity in Sundbyberg

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

In Sundbyberg 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 Sundbyberg.

Maximum UV Index Levels in Sundbyberg for January

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

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

This table compares monthly weather conditions in Sundbyberg, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)38 mm (1.5 inches)90%low
February Weather-1°C (31°F)34 mm (1.3 inches)88%low
March Weather2°C (35°F)43 mm (1.7 inches)89%moderate
April Weather5°C (41°F)25 mm (1.0 inches)85%moderate
May Weather10°C (50°F)52 mm (2.1 inches)77%moderate
June Weather16°C (61°F)49 mm (1.9 inches)76%high
July Weather18°C (64°F)55 mm (2.2 inches)74%high
August Weather17°C (63°F)67 mm (2.6 inches)77%moderate
September Weather13°C (55°F)50 mm (2.0 inches)85%moderate
October Weather8°C (47°F)65 mm (2.6 inches)89%low
November Weather4°C (40°F)43 mm (1.7 inches)90%low
December Weather1°C (34°F)61 mm (2.4 inches)87%low

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