January weather forecast and climate
Boulder, MT

What is the coldest month in Boulder?

The coldest month is January, with an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 9°F (-12.8°C).

What is the temperature in January in Boulder?

In Boulder, Montana, in January, the average high-temperature is 33.1°F (0.6°C), and the average low-temperature is 9°F (-12.8°C).

How much does it rain in Boulder in January?

Throughout January, 0.5" (12.7mm) of precipitation is accumulated.
Average temperature in January - Boulder, MT
  • Average high temperature in January: 33°F

Warmest months (with the highest average high temperature) are July and August (82°F).
The month with the lowest average high temperature is January (33°F).

  • Average low temperature in January: 9°F

The month with the highest average low temperature is July (48°F).
The coldest month (with the lowest average low temperature) is January (9°F).

Average rainfall in January - Boulder, MT
  • Average rainfall in January: 0.5"

The wettest month (with the highest rainfall) is June (2.1").
The driest month (with the lowest rainfall) is February (0.3").

Average daylight in January - Boulder, MT
  • Average daylight in January: 9.1h

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).

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