Colstrip
Montana, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Colstrip, MT

December, the first month of the winter, in Colstrip, is also a wintry month, with average temperature varying between 12.2°F (-11°C) and 37°F (2.8°C).

Temperature

In Colstrip, the average high-temperature drops, from a frosty 46.6°F (8.1°C) in November, to a cold 37°F (2.8°C). In Colstrip, Montana, in December, the average low-temperature is 12.2°F (-11°C).

Rainfall

In Colstrip, Montana, in December, during 5 rainfall days, 0.6" (15mm) of precipitation is typically accumulated. In Colstrip, during the entire year, the rain falls for 75 days and collects up to 15" (382mm) of precipitation.

Daylight

December has the shortest days of the year in Colstrip, Montana, with an average of 8.7h of daylight.

What is the temperature in December in Colstrip?

The average high-temperature, in December, in Colstrip, is 37°F (2.8°C), while the average low-temperature is 12.2°F (-11°C).

How much does it rain in Colstrip in December?

In Colstrip, in December, during 5 rainfall days, 0.6" (15mm) of precipitation is typically accumulated.

What is the month with the shortest days in Colstrip?

December has the shortest days of the year in Colstrip, Montana, with an average of 8.7h of daylight.

What is the average length of the day in December in Colstrip?

The average length of the day in December in Colstrip, Montana, is 8.7h.
Average temperature in December - Colstrip, MT
  • Average high temperature in December: 37°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in December: 12.2°F

The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).

Average rainfall in December - Colstrip, MT
  • Average rainfall in December: 0.6"

The wettest month (with the highest rainfall) is June (2.7").
The driest month (with the lowest rainfall) is February (0.5").

Average rainfall days in December - Colstrip, MT
  • Average rainfall days in December: 5 days

The month with the highest number of rainy days is May (10 days).
Months with the lowest number of rainy days are February, August, September, October, November and December (5 days).

Average daylight in December - Colstrip, MT
  • Average daylight in December: 8.7h

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