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 |
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 |
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 | - | - | - | - | - |
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Past weather Great Falls
| Jun 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 65.0 ºF | 35 ºF | |
| Average low temperature Av. low temp. | 44.2 ºF | 15 ºF | |
| Total precipitation Total precip. | 0.72 inch | 0.51 inch | |
| Total snowfall Total snowfall | 0.00 inch | 9 inch | |
| Highest max temperature Highest max temp. | 79.0 ºF | - | |
| Lowest max temperature Lowest max temp. | 50.0 ºF | - | |
| Highest min temperature Highest min temp. | 46.9 ºF | - | |
| Lowest min temperature Lowest min temp. | 39.9 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 | 08:29 PM | |
|---|---|---|
| Sunrise | 05:26 AM | |
| Sunset | 09:22 PM | |
| Day/Night | Day | |
| Timezone | Denver -7:00 | |
| 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, ...