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January Weather in Cass Lake, United States

Last updated: June 24, 2025

In January, the average temperature in Cass Lake, United States hovers around -12°C (10°F). Expect minimums plunging to -37°C (-34°F) and a maximum reaching up to 5°C (41°F). With an average precipitation of 22 mm (0.9 in) spread over 5 days, and humidity levels soaring to 92%, it's essential to prepare for a chilly and damp month!

January Temperature in Cass Lake

In January in Cass Lake, the average temperature is -12°C (10°F), with a maximum that can reach 5°C (41°F) and a minimum that can drop as low as -37°C (-34°F). Travelers should be well-prepared for extremely cold conditions during this time.

January Weather in Cass Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Cass Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cass Lake, January typically has an average temperature of -12°C (10°F), with highs reaching up to 5°C (41°F) and lows dropping to around -37°C (-34°F).
JanFebMarAprMayJunJulAugSepOctNovDec10927375366716759442717
Data source: Temperature data for Cass Lake 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 Cass Lake

In Cass Lake in January, the total precipitation amount is 22 mm (0.9 in) spread over a period of 5 days.

January Precipitation Trends in Cass Lake

The chart displays monthly precipitation patterns in Cass Lake, 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 Cass Lake, January typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec2225275851758573109983147
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Cass Lake

In Cass Lake in January, humidity is 92%. With an average temperature of -12°C (10°F), this humidity feels like an icy breath enveloping you, amplifying the chill and making every outdoor excursion seem more daunting.

January Average Humidity in Cass Lake

This chart illustrates the average monthly humidity levels in Cass Lake, 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 Cass Lake is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%88%83%76%76%76%77%77%82%88%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Cass Lake

In Cass Lake in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Cass Lake, you can visit Hourly UV Index in Cass Lake.

Maximum UV Index Levels in Cass Lake for January

The chart shows the monthly maximum UV Index (UVI) for Cass Lake 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 Cass Lake typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987432
Data source: Cass Lake 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 Cass Lake Compares to Other Months

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

This table compares monthly weather conditions in Cass Lake, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-12°C (10°F)22 mm (0.9 inches)92%low
February Weather-13°C (10°F)25 mm (1.0 inches)93%moderate
March Weather-3°C (27°F)27 mm (1.1 inches)88%moderate
April Weather3°C (37°F)58 mm (2.3 inches)83%high
May Weather12°C (53°F)51 mm (2.0 inches)76%very high
June Weather19°C (66°F)75 mm (2.9 inches)76%very high
July Weather21°C (71°F)85 mm (3.3 inches)76%very high
August Weather20°C (67°F)73 mm (2.9 inches)77%very high
September Weather15°C (59°F)109 mm (4.3 inches)77%high
October Weather7°C (44°F)98 mm (3.8 inches)82%moderate
November Weather-3°C (28°F)31 mm (1.2 inches)87%moderate
December Weather-8°C (17°F)47 mm (1.9 inches)89%low

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