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December Weather in Rosthern, Canada

Last updated: June 18, 2025

In December, the average temperature in Rosthern, Canada is a chilly -13°C (9°F), with extremes that can dip as low as -39°C (-37°F) and occasionally peak at 4°C (40°F). Expect a touch of moisture, with 14 mm (0.5 in) of precipitation spread over 4 days, and brace yourself for high humidity at an average of 95%.

December Temperature in Rosthern

In December in Rosthern, the average temperature is -13°C (9°F). The maximum can reach 4°C (40°F), and the minimum can be as low as -39°C (-37°F). Travelers should be prepared for extreme cold conditions and dress warmly to enjoy their visit.

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

The chart illustrates December temperature patterns in Rosthern, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosthern, December typically has an average temperature of -13°C (9°F), with highs reaching up to 4°C (40°F) and lows dropping to around -39°C (-37°F).
JanFebMarAprMayJunJulAugSepOctNovDec511934526166625237199
Data source: Temperature data for Rosthern 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 Rosthern

In Rosthern in December, the precipitation amount is 14 mm (0.5 in) over a span of 4 days.

December Precipitation Trends in Rosthern

The chart displays monthly precipitation patterns in Rosthern, 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 Rosthern, December typically receives around 14 mm (0.5 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec211325224576723947203314
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rosthern

In Rosthern in December, humidity is 95%. With an average temperature of -13°C (9°F), this humidity feels like an icy blanket wrapping around you, making it difficult to stay warm while traveling.

December Average Humidity in Rosthern

This chart illustrates the average monthly humidity levels in Rosthern, 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 Rosthern is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%95%92%82%70%64%78%81%77%82%89%95%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rosthern

In Rosthern 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 Rosthern.

Maximum UV Index Levels in Rosthern for December

The chart shows the monthly maximum UV Index (UVI) for Rosthern 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 Rosthern typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235578876421
Data source: Rosthern 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 Rosthern Compares to Other Months

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

This table compares monthly weather conditions in Rosthern, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-15°C (6°F)21 mm (0.8 inches)92%low
February Weather-17°C (1°F)13 mm (0.5 inches)95%moderate
March Weather-7°C (19°F)25 mm (1.0 inches)92%moderate
April Weather1°C (34°F)22 mm (0.9 inches)82%moderate
May Weather11°C (52°F)45 mm (1.8 inches)70%high
June Weather16°C (61°F)76 mm (3.0 inches)64%very high
July Weather19°C (66°F)72 mm (2.8 inches)78%very high
August Weather17°C (62°F)39 mm (1.5 inches)81%high
September Weather11°C (52°F)47 mm (1.9 inches)77%high
October Weather3°C (37°F)20 mm (0.8 inches)82%moderate
November Weather-7°C (20°F)33 mm (1.3 inches)89%low
December Weather-13°C (9°F)14 mm (0.5 inches)95%low

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