Climate Chinook - Montana
Jan Ja Feb Fe Mar Ma Apr Ap May Ma Jun Ju Average high in ºF Av. high Hi 29 34 45 59 68 77 Average low in ºF Av. low Lo 4 8 19 31 41 50 Av. precipitation in inch Av. precip. Pre. 0.49 0.40 0.61 0.91 2.25 2.35 Av. snowfall in inch Snowfall Sn 6 6 4 1 1 0
Jul Ju Aug Au Sep Se Oct Oc Nov No Dec De Average high in ºF Av. high Hi 85 84 72 59 42 30 Average low in ºF Av. low Lo 54 52 40 28 16 6 Av. precipitation in inch Av. precip. Pre. 1.74 1.22 1.41 0.71 0.55 0.48 Av. snowfall in inch Snowfall Sn 0 0 0 1 6 6
What is the average weather in Chinook, Montana? Chinook experiences a cold semi-arid climate, marked by very large seasonal temperature contrasts. Summers are warm, but winters are very cold and bring significant snowfall. Precipitation is generally low year-round, with a strong pattern of wetter summers and drier winters, often arriving in brief showers.
January February March April May June July August September October November December
1 Jan 26.8 4.0 0.02 0.02 0.00 2 Jan 26.7 3.9 0.03 0.03 0.00 3 Jan 26.7 3.9 0.05 0.05 0.00 4 Jan 26.6 3.8 0.07 0.07 0.00 5 Jan 26.6 3.8 0.09 0.09 0.00 6 Jan 26.5 3.8 0.10 0.10 0.00 7 Jan 26.5 3.7 0.12 0.12 0.00 8 Jan 26.5 3.7 0.14 0.14 0.00 9 Jan 26.5 3.8 0.16 0.16 0.00 10 Jan 26.5 3.8 0.18 0.18 0.00 11 Jan 26.5 3.8 0.20 0.20 0.00 12 Jan 26.6 3.8 0.22 0.22 0.00 13 Jan 26.6 3.9 0.23 0.23 0.00 14 Jan 26.7 3.9 0.25 0.25 0.00 15 Jan 26.7 4.0 0.26 0.26 0.00 16 Jan 26.8 4.0 0.28 0.28 0.00 17 Jan 26.9 4.1 0.29 0.29 0.00 18 Jan 27.0 4.2 0.30 0.30 0.00 19 Jan 27.0 4.2 0.32 0.32 0.00 20 Jan 27.1 4.3 0.33 0.33 0.00 21 Jan 27.2 4.4 0.34 0.34 0.00 22 Jan 27.4 4.4 0.35 0.35 0.00 23 Jan 27.5 4.5 0.36 0.36 0.00 24 Jan 27.6 4.6 0.37 0.37 0.00 25 Jan 27.7 4.6 0.38 0.38 0.00 26 Jan 27.8 4.7 0.39 0.39 0.00 27 Jan 28.0 4.8 0.41 0.41 0.00 28 Jan 28.1 4.9 0.42 0.42 0.00 29 Jan 28.2 4.9 0.43 0.43 0.00 30 Jan 28.4 5.0 0.44 0.44 0.00 31 Jan 28.5 5.1 0.45 0.45 0.00
Weather history Chinook - July 2026
Day 01 Jul - - 0.00 - - 02 Jul 77.0 53.1 0.00 0.00 0.0 03 Jul - - - - - 04 Jul - - - - - 05 Jul - - - - - 06 Jul - - - - - 07 Jul - - - - - 08 Jul - - - - - 09 Jul - - - - - 10 Jul - - - - - 11 Jul - - - - - 12 Jul - - - - - 13 Jul - - - - - 14 Jul - - - - - 15 Jul - - - - - 16 Jul - - - - - 17 Jul - - - - - 18 Jul - - - - - 19 Jul - - - - - 20 Jul - - - - - 21 Jul - - - - - 22 Jul - - - - - 23 Jul - - - - - 24 Jul - - - - - 25 Jul - - - - - 26 Jul - - - - - 27 Jul - - - - - 28 Jul - - - - - 29 Jul - - - - - 30 Jul - - - - - 31 Jul - - - - -
Past weather Chinook
Jul 26 Normal Average high temperature Av. high temp. - ºF 29 ºF Average low temperature Av. low temp. - ºF 4 ºF Total precipitation Total precip. 0.00 inch 0.49 inch Total snowfall Total snowfall - inch 6 inch Highest max temperature Highest max temp. 77.0 ºF - Lowest max temperature Lowest max temp. 77.0 ºF - Highest min temperature Highest min temp. 53.1 ºF - Lowest min temperature Lowest min temp. 53.1 ºF -
× Past weather July 2026 incomplete - Missing data
Geo Chinook - Montana
Country United States State Montana County Blaine City Chinook Zip Code 59523 Longitude -109.25 dec. degr. Latitude 48.59 dec. degr. Altitude - Elevation
2408ft ICAO - IATA -
Date and Time Chinook - Montana
Local Time 07:59 AM Sunrise 05:20 AM Sunset 09:23 PM Day/Night Day Timezone Mountain Daylight Time Timezone DB America - Denver