Weather Averages Chinook, MT

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Weather Averages for
Chinook, MT


Latitude: 48°35'N, Longitude: 109°12'W, Elevation: 2410.0 ft, Distance: 3.36 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 51 years
°F 42 12 19 30 44 55 62 69 66 55 44 28 17
Average high temperature
over 51 years
°F 57 24 32 43 58 70 77 85 84 73 61 42 30
Average low temperature
over 51 years
°F 28 1 8 17 29 40 48 52 50 40 30 17 6
Average precipitation
over 51 years
in 12.5 0.6 0.4 0.5 1.1 2.1 2.4 1.6 1.2 1.2 0.6 0.4 0.5
Average snowfall
over 51 years
in 29.3 7.8 4.6 5.5 1.6 0.2 - - - 0.1 0.8 3.3 5.5
Average snow cover
over 51 years
in 1.0 3.0 2.0 1.0 - - - - - - - 1.0 1.0
Heating degree days
over 30 years
days 8408 1572 1235 1039 612 297 109 16 73 295 592 1080 1488
Cooling degree days
over 30 years
days 419 - - - - 6 79 149 154 31 - - -