Climate Great Falls - Montana
Jan Ja Feb Fe Mar Ma Apr Ap May Ma Jun Ju Average high in ºF Av. high Hi 35 38 46 56 65 73 Average low in ºF Av. low Lo 15 16 23 31 39 46 Av. precipitation in inch Av. precip. Pre. 0.51 0.47 0.91 1.42 2.42 2.53 Av. snowfall in inch Snowfall Sn 9 8 12 9 3 0
Jul Ju Aug Au Sep Se Oct Oc Nov No Dec De Average high in ºF Av. high Hi 83 82 70 58 43 35 Average low in ºF Av. low Lo 51 50 42 33 23 15 Av. precipitation in inch Av. precip. Pre. 1.50 1.57 1.42 0.86 0.59 0.55 Av. snowfall in inch Snowfall Sn 0 0 1 4 8 9
What is the average weather in Great Falls, Montana? Great Falls experiences a cold semi-arid climate, marked by very large seasonal temperature contrasts. Summers are warm, but winters are cold and bring very snowy conditions. The area is dry overall, with precipitation generally low, though summers are wetter than the drier winter months.
January February March April May June July August September October November December
1 Jan 34.7 14.5 0.02 0.02 3.00 7.62 2 Jan 34.7 14.5 0.04 0.04 6.00 15.24 3 Jan 34.8 14.5 0.05 0.05 9.00 22.86 4 Jan 34.9 14.5 0.07 0.07 13.00 33.02 5 Jan 34.9 14.6 0.09 0.09 16.00 40.64 6 Jan 35.0 14.6 0.11 0.11 19.00 48.26 7 Jan 35.0 14.6 0.13 0.13 22.00 55.88 8 Jan 35.1 14.7 0.14 0.14 25.00 63.50 9 Jan 35.1 14.7 0.16 0.16 28.00 71.12 10 Jan 35.2 14.8 0.18 0.18 32.00 81.28 11 Jan 35.2 14.9 0.20 0.20 35.00 88.90 12 Jan 35.3 14.9 0.22 0.22 38.00 96.52 13 Jan 35.3 15.0 0.24 0.24 41.00 104.14 14 Jan 35.4 15.0 0.25 0.25 44.00 111.76 15 Jan 35.4 15.1 0.27 0.27 46.00 116.84 16 Jan 35.4 15.1 0.29 0.29 49.00 124.46 17 Jan 35.5 15.2 0.31 0.31 52.00 132.08 18 Jan 35.5 15.2 0.32 0.32 55.00 139.70 19 Jan 35.5 15.2 0.34 0.34 57.00 144.78 20 Jan 35.5 15.3 0.35 0.35 60.00 152.40 21 Jan 35.5 15.3 0.37 0.37 62.00 157.48 22 Jan 35.5 15.3 0.39 0.39 65.00 165.10 23 Jan 35.5 15.3 0.41 0.41 68.00 172.72 24 Jan 35.5 15.3 0.42 0.42 71.00 180.34 25 Jan 35.5 15.3 0.44 0.44 74.00 187.96 26 Jan 35.5 15.3 0.46 0.46 77.00 195.58 27 Jan 35.5 15.3 0.48 0.48 80.00 203.20 28 Jan 35.5 15.3 0.50 0.50 83.00 210.82 29 Jan 35.5 15.3 0.51 0.51 86.00 218.44 30 Jan 35.5 15.2 0.53 0.53 89.00 226.06 31 Jan 35.6 15.2 0.55 0.55 92.00 233.68
Weather history Great Falls - July 2026
Day 01 Jul 77.0 51.1 T 0.00 0.0 02 Jul 79.0 51.1 0.00 0.00 0.0 03 Jul 80.1 48.0 0.00 0.00 0.0 04 Jul 86.0 46.0 0.00 0.00 0.0 05 Jul 84.0 51.1 0.00 0.00 0.0 06 Jul 70.0 44.1 T 0.00 0.0 07 Jul 81.0 52.0 0.01 0.00 0.0 08 Jul 88.0 50.0 0.06 0.00 0.0 09 Jul 84.9 53.1 0.00 0.00 0.0 10 Jul 89.1 52.0 0.00 0.00 0.0 11 Jul 97.0 53.1 0.00 0.00 0.0 12 Jul - - - - - 13 Jul - - - - - 14 Jul - - - - - 15 Jul - - - - - 16 Jul - - - - - 17 Jul 93.0 63.0 0.04 0.00 0.0 18 Jul 93.0 62.1 T 0.00 0.0 19 Jul - - - - - 20 Jul 82.0 50.0 0.00 0.00 0.0 21 Jul 84.9 50.0 T 0.00 0.0 22 Jul - - - - - 23 Jul - - - - - 24 Jul - - - - - 25 Jul - - - - - 26 Jul - - - - - 27 Jul - - - - - 28 Jul - - - - - 29 Jul - - - - - 30 Jul - - - - - 31 Jul - - - - -
Past weather Great Falls
Jul 26 Normal Average high temperature Av. high temp. 84.6 ºF 35 ºF Average low temperature Av. low temp. 51.8 ºF 15 ºF Total precipitation Total precip. 0.11 inch 0.51 inch Total snowfall Total snowfall 0.00 inch 9 inch Highest max temperature Highest max temp. 97.0 ºF - Lowest max temperature Lowest max temp. 70.0 ºF - Highest min temperature Highest min temp. 63.0 ºF - Lowest min temperature Lowest min temp. 44.1 ºF -
× Past weather July 2026 incomplete - Missing data
Geo Great Falls - Montana
Country United States State Montana County Cascade City Great Falls Zip Code 59401 Longitude -111.3 dec. degr. Latitude 47.51 dec. degr. Altitude - Elevation
3343ft ICAO - IATA -
Date and Time Great Falls - Montana
Local Time 02:25 PM Sunrise 05:52 AM Sunset 09:11 PM Day/Night Day Timezone Mountain Daylight Time Timezone DB America - Denver
Map of Great Falls - Montana