January weather forecast and climate
Missoula, MT

What is the average temperature in January in Missoula?

In January, in Missoula, the average high-temperature is 33.3°F (0.7°C), and the average low-temperature is 18.3°F (-7.6°C).
Average temperature in January - Missoula, MT
  • Average high temperature in January: 33.2°F

The warmest month (with the highest average high temperature) is July (85.9°F).
The month with the lowest average high temperature is December (31°F).

  • Average low temperature in January: 18.3°F

The month with the highest average low temperature is July (51.4°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).

Average humidity in January - Missoula, MT
  • Average humidity in January: 81.3%

The month with the highest relative humidity is December (83.5%).
The month with the lowest relative humidity is July (51.7%).

Average rainfall in January - Missoula, MT
  • Average rainfall in January: 0.9"

The wettest month (with the highest rainfall) is June (2.1").
The driest month (with the lowest rainfall) is February (0.7").

Average rainfall days in January - Missoula, MT
  • Average rainfall days in January: 11.8 days

Months with the highest number of rainy days are May and December (12.3 days).
The month with the lowest number of rainy days is July (7.1 days).

Average snowfall in January - Missoula, MT
  • Average snowfall in January: 8.3"

The month with the highest snowfall is December (11").
Months with the lowest snowfall are June, July, August and September (0").

Average snowfall days in January - Missoula, MT
  • Average snowfall days in January: 9.4 days

The month with the highest number of snowfall days is December (9.8 days).
Months with the lowest number of snowfall days are July, August and September (0 days).

Average daylight in January / Average sunshine in January - Missoula, MT
  • Average daylight in January: 9h

The month with the longest days is June (Average daylight: 15.8h).
The month with shortest days is December (Average daylight: 8.6h).

  • Average sunshine in January: 3.1h

The month with most sunshine is July (Average sunshine: 12.6h).
The month with least sunshine is December (Average sunshine: 2.7h).

Average UV index in January - Missoula, MT
  • Average UV index in January: 1

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).

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