Climate Great Falls - Montana
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| 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 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| 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.
Great Falls Climate Graph - Montana Climate Chart
Daily normals Great Falls - Montana - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 34.5 | 13.8 | 0.04 | 0.04 | 0.31 | 0.80 |
| 2 Jan | 34.6 | 13.8 | 0.04 | 0.04 | 0.59 | 1.50 |
| 3 Jan | 34.7 | 13.9 | 0.04 | 0.04 | 0.91 | 2.30 |
| 4 Jan | 34.7 | 14.0 | 0.08 | 0.08 | 1.18 | 3.00 |
| 5 Jan | 34.8 | 14.1 | 0.08 | 0.08 | 1.42 | 3.60 |
| 6 Jan | 34.9 | 14.1 | 0.12 | 0.12 | 1.69 | 4.30 |
| 7 Jan | 35.0 | 14.2 | 0.12 | 0.12 | 2.01 | 5.10 |
| 8 Jan | 35.0 | 14.3 | 0.16 | 0.16 | 2.28 | 5.80 |
| 9 Jan | 35.1 | 14.4 | 0.16 | 0.16 | 2.60 | 6.60 |
| 10 Jan | 35.2 | 14.5 | 0.20 | 0.20 | 2.91 | 7.40 |
| 11 Jan | 35.2 | 14.6 | 0.20 | 0.20 | 3.19 | 8.10 |
| 12 Jan | 35.3 | 14.7 | 0.20 | 0.20 | 3.50 | 8.90 |
| 13 Jan | 35.4 | 14.8 | 0.24 | 0.24 | 3.82 | 9.70 |
| 14 Jan | 35.4 | 14.9 | 0.24 | 0.24 | 4.02 | 10.20 |
| 15 Jan | 35.5 | 14.9 | 0.28 | 0.28 | 4.29 | 10.90 |
| 16 Jan | 35.6 | 15.0 | 0.28 | 0.28 | 4.49 | 11.40 |
| 17 Jan | 35.6 | 15.1 | 0.28 | 0.28 | 4.80 | 12.20 |
| 18 Jan | 35.7 | 15.2 | 0.31 | 0.31 | 5.12 | 13.00 |
| 19 Jan | 35.7 | 15.2 | 0.31 | 0.31 | 5.31 | 13.50 |
| 20 Jan | 35.8 | 15.3 | 0.35 | 0.35 | 5.59 | 14.20 |
| 21 Jan | 35.8 | 15.4 | 0.35 | 0.35 | 5.79 | 14.70 |
| 22 Jan | 35.9 | 15.4 | 0.35 | 0.35 | 6.10 | 15.50 |
| 23 Jan | 35.9 | 15.5 | 0.39 | 0.39 | 6.30 | 16.00 |
| 24 Jan | 36.0 | 15.5 | 0.39 | 0.39 | 6.61 | 16.80 |
| 25 Jan | 36.0 | 15.5 | 0.39 | 0.39 | 6.81 | 17.30 |
| 26 Jan | 36.1 | 15.6 | 0.43 | 0.43 | 7.09 | 18.00 |
| 27 Jan | 36.1 | 15.6 | 0.43 | 0.43 | 7.40 | 18.80 |
| 28 Jan | 36.2 | 15.6 | 0.47 | 0.47 | 7.72 | 19.60 |
| 29 Jan | 36.2 | 15.7 | 0.47 | 0.47 | 7.91 | 20.10 |
| 30 Jan | 36.3 | 15.7 | 0.47 | 0.47 | 8.19 | 20.80 |
| 31 Jan | 36.4 | 15.7 | 0.51 | 0.51 | 8.50 | 21.60 |
Weather history Great Falls - June 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Jun | 50.0 | 39.9 | 0.59 | 0.00 | 0.0 |
| 02 Jun | 55.0 | 44.1 | 0.13 | 0.00 | 0.0 |
| 03 Jun | 66.9 | 46.0 | 0.00 | 0.00 | 0.0 |
| 04 Jun | 73.9 | 46.9 | T | 0.00 | 0.0 |
| 05 Jun | 79.0 | 44.1 | 0.00 | 0.00 | 0.0 |
| 06 Jun | 73.9 | 52.0 | 0.03 | 0.00 | 0.0 |
| 07 Jun | 55.0 | 41.0 | 0.21 | 0.00 | 0.0 |
| 08 Jun | 71.1 | 41.0 | 0.00 | 0.00 | 0.0 |
| 09 Jun | 72.0 | 48.0 | T | 0.00 | 0.0 |
| 10 Jun | - | - | - | - | - |
| 11 Jun | - | - | - | - | - |
| 12 Jun | 70.0 | 41.0 | 0.36 | 0.00 | 0.0 |
| 13 Jun | 64.9 | 45.0 | 0.00 | 0.00 | 0.0 |
| 14 Jun | 72.0 | 37.9 | 0.00 | 0.00 | 0.0 |
| 15 Jun | - | - | - | - | - |
| 16 Jun | - | - | - | - | - |
| 17 Jun | 66.9 | 46.9 | 0.24 | 0.00 | 0.0 |
| 18 Jun | 68.0 | 48.0 | 0.05 | 0.00 | 0.0 |
| 19 Jun | 72.0 | 39.0 | 0.00 | 0.00 | 0.0 |
| 20 Jun | 80.1 | 46.0 | T | 0.00 | 0.0 |
| 21 Jun | 73.0 | 50.0 | 0.00 | 0.00 | 0.0 |
| 22 Jun | 60.1 | 43.0 | 0.05 | 0.00 | 0.0 |
| 23 Jun | - | - | - | - | - |
| 24 Jun | - | - | - | - | - |
| 25 Jun | - | - | - | - | - |
| 26 Jun | - | - | - | - | - |
| 27 Jun | - | - | - | - | - |
| 28 Jun | - | - | - | - | - |
| 29 Jun | - | - | - | - | - |
| 30 Jun | - | - | - | - | - |
Past weather Great Falls
| Jun 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 68.0 ºF | 35 ºF | |
| Average low temperature Av. low temp. | 44.4 ºF | 15 ºF | |
| Total precipitation Total precip. | 1.66 inch | 0.51 inch | |
| Total snowfall Total snowfall | 0.00 inch | 9 inch | |
| Highest max temperature Highest max temp. | 80.1 ºF | - | |
| Lowest max temperature Lowest max temp. | 50.0 ºF | - | |
| Highest min temperature Highest min temp. | 52.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 37.9 ºF | - | |
Past weather June 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 | 07:49 AM | |
|---|---|---|
| Sunrise | 05:27 AM | |
| Sunset | 09:28 PM | |
| Day/Night | Day | |
| Timezone | Mountain Daylight Time | |
| Timezone DB | America - Denver |
Map of Great Falls - Montana
USGS National Map — Open interactive map
Great Falls weather averages
| Annual high temperature | 57ºF |
| Annual low temperature | 32ºF |
| Average annual precip. | 14.75 inch |
| Av. annual snowfall | 63 inch |
Station Data
Monthly averages Great Falls
Longitude: -111.295, Latitude: 47.5081
Average weather Great Falls, MT - 59401
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...