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January Weather in East Missoula, United States

Last updated: June 24, 2025

In East Missoula, United States, the average temperature in January hovers around -3°C (26°F). Residents can expect a chilly range, with minimum temperatures dipping as low as -26°C (-15°F) and occasionally reaching a maximum of 8°C (46°F). During this time, the area experiences 39 mm (1.5 in) of precipitation over approximately 11 days, contributing to an average humidity level of 93%. Stay warm and prepared for the frosty conditions!

January Temperature in East Missoula

In January in East Missoula, the average temperature is -3°C (26°F). Maximum temperatures can reach 8°C (46°F), while minimums can drop as low as -26°C (-15°F). Travelers should prepare for cold conditions and dress warmly if visiting during this time.

January Weather in East Missoula: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in East Missoula, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In East Missoula, January typically has an average temperature of -3°C (26°F), with highs reaching up to 8°C (46°F) and lows dropping to around -26°C (-15°F).
JanFebMarAprMayJunJulAugSepOctNovDec262334415261716958433529
Data source: Temperature data for East Missoula 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 East Missoula

In East Missoula in January, the precipitation amount is 39 mm (1.5 in) over the course of 11 days.

January Precipitation Trends in East Missoula

The chart displays monthly precipitation patterns in East Missoula, 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 East Missoula, January typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec398649686564131828605563
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in East Missoula

In East Missoula in January humidity is 93%. With an average temperature of -3°C (26°F), this humidity feels like an uncomfortable chill that seeps into your bones, making travel difficult as each breath feels heavy and the air feels damp and biting against your skin.

January Average Humidity in East Missoula

This chart illustrates the average monthly humidity levels in East Missoula, 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 East Missoula is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%89%85%80%78%77%66%67%77%89%95%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in East Missoula

In East Missoula 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 East Missoula, you can visit Hourly UV Index in East Missoula.

Maximum UV Index Levels in East Missoula for January

The chart shows the monthly maximum UV Index (UVI) for East Missoula 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 East Missoula typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101098532
Data source: East Missoula 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 East Missoula Compares to Other Months

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

This table compares monthly weather conditions in East Missoula, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)39 mm (1.5 inches)93%low
February Weather-5°C (23°F)86 mm (3.4 inches)92%moderate
March Weather1°C (35°F)49 mm (1.9 inches)89%high
April Weather5°C (42°F)68 mm (2.7 inches)85%very high
May Weather11°C (52°F)65 mm (2.6 inches)80%very high
June Weather16°C (61°F)64 mm (2.5 inches)78%very high
July Weather22°C (71°F)13 mm (0.5 inches)77%very high
August Weather20°C (69°F)18 mm (0.7 inches)66%very high
September Weather15°C (58°F)27 mm (1.1 inches)67%very high
October Weather6°C (43°F)60 mm (2.4 inches)77%moderate
November Weather1°C (35°F)55 mm (2.2 inches)89%moderate
December Weather-2°C (29°F)63 mm (2.5 inches)95%low

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