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January Weather in Mortnas, Sweden

Last updated: August 27, 2025

In January, the average temperature in Mortnas, Sweden hovers around 1°C (34°F). While the mercury can dip to a chilly -11°C (13°F), it can also rise to a mild 8°C (47°F). Expect 48 mm (1.9 in) of precipitation over approximately 11 days, coupled with a notable average humidity of 90%. Be prepared for a wintery mix!

January Temperature in Mortnas

In January in Mortnas, the average temperature is 1°C (34°F). Maximum temperatures can reach 8°C (47°F), while minimums can drop as low as -11°C (13°F). Travelers should be prepared for chilly conditions and pack accordingly for varying temperatures.

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

The chart illustrates January temperature patterns in Mortnas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mortnas, January typically has an average temperature of 1°C (34°F), with highs reaching up to 8°C (47°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec343335394758636357494236
Data source: Temperature data for Mortnas 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 Mortnas

In Mortnas in January, the precipitation amount is 48 mm (1.9 in) over a span of 11 days.

January Precipitation Trends in Mortnas

The chart displays monthly precipitation patterns in Mortnas, 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 Mortnas, January typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec484245244837516454916081
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Mortnas

In Mortnas in January, humidity is 90%. With an average temperature of 1°C (34°F), this humidity feels like you're wrapped in a cold, damp blanket, making travel uncomfortable and requiring extra layers to combat the chill.

January Average Humidity in Mortnas

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

In Mortnas 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 Mortnas.

Maximum UV Index Levels in Mortnas for January

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

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

This table compares monthly weather conditions in Mortnas, showing how January’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)42 mm (1.6 inches)88%low
March Weather2°C (35°F)45 mm (1.8 inches)89%moderate
April Weather4°C (40°F)24 mm (1.0 inches)85%moderate
May Weather8°C (47°F)48 mm (1.9 inches)77%moderate
June Weather14°C (58°F)37 mm (1.5 inches)76%high
July Weather17°C (63°F)51 mm (2.0 inches)74%high
August Weather17°C (63°F)64 mm (2.5 inches)77%moderate
September Weather14°C (57°F)54 mm (2.1 inches)85%moderate
October Weather9°C (49°F)91 mm (3.6 inches)89%low
November Weather6°C (43°F)60 mm (2.4 inches)90%low
December Weather2°C (37°F)81 mm (3.2 inches)87%low

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