Cold steppe climate
Climate Great Falls - Montana
Annual high57ºF
Annual low32ºF
Precipitation14.75 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 35 | 15 | 0.51 | 9 |
| Feb | 38 | 16 | 0.47 | 8 |
| Mar | 46 | 23 | 0.91 | 12 |
| Apr | 56 | 31 | 1.42 | 9 |
| May | 65 | 39 | 2.42 | 3 |
| Jun | 73 | 46 | 2.53 | 0 |
| Jul | 83 | 51 | 1.50 | 0 |
| Aug | 82 | 50 | 1.57 | 0 |
| Sep | 70 | 42 | 1.42 | 1 |
| Oct | 58 | 33 | 0.86 | 4 |
| Nov | 43 | 23 | 0.59 | 8 |
| Dec | 35 | 15 | 0.55 | 9 |
- JanHigh 35ºFLow 15ºFPrecip 0.51 inch
- FebHigh 38ºFLow 16ºFPrecip 0.47 inch
- MarHigh 46ºFLow 23ºFPrecip 0.91 inch
- AprHigh 56ºFLow 31ºFPrecip 1.42 inch
- MayHigh 65ºFLow 39ºFPrecip 2.42 inch
- JunHigh 73ºFLow 46ºFPrecip 2.53 inch
- JulHigh 83ºFLow 51ºFPrecip 1.50 inch
- AugHigh 82ºFLow 50ºFPrecip 1.57 inch
- SepHigh 70ºFLow 42ºFPrecip 1.42 inch
- OctHigh 58ºFLow 33ºFPrecip 0.86 inch
- NovHigh 43ºFLow 23ºFPrecip 0.59 inch
- DecHigh 35ºFLow 15ºFPrecip 0.55 inch
Climate summary
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 weather averages
Annual high57ºF
Annual low32ºF
Precipitation14.75 inch
Snowfall63 inch
Daily normals Great Falls - Montana - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 34.7 | 14.5 | 0.02 | 0.02 | 0.30 | 0.30 |
| Jan 2 | 34.7 | 14.5 | 0.04 | 0.04 | 0.60 | 0.60 |
| Jan 3 | 34.8 | 14.5 | 0.05 | 0.05 | 0.90 | 0.90 |
| Jan 4 | 34.9 | 14.5 | 0.07 | 0.07 | 1.30 | 1.30 |
| Jan 5 | 34.9 | 14.6 | 0.09 | 0.09 | 1.60 | 1.60 |
| Jan 6 | 35.0 | 14.6 | 0.11 | 0.11 | 1.90 | 1.90 |
| Jan 7 | 35.0 | 14.6 | 0.13 | 0.13 | 2.20 | 2.20 |
| Jan 8 | 35.1 | 14.7 | 0.14 | 0.14 | 2.50 | 2.50 |
| Jan 9 | 35.1 | 14.7 | 0.16 | 0.16 | 2.80 | 2.80 |
| Jan 10 | 35.2 | 14.8 | 0.18 | 0.18 | 3.20 | 3.20 |
| Jan 11 | 35.2 | 14.9 | 0.20 | 0.20 | 3.50 | 3.50 |
| Jan 12 | 35.3 | 14.9 | 0.22 | 0.22 | 3.80 | 3.80 |
| Jan 13 | 35.3 | 15.0 | 0.24 | 0.24 | 4.10 | 4.10 |
| Jan 14 | 35.4 | 15.0 | 0.25 | 0.25 | 4.40 | 4.40 |
| Jan 15 | 35.4 | 15.1 | 0.27 | 0.27 | 4.60 | 4.60 |
| Jan 16 | 35.4 | 15.1 | 0.29 | 0.29 | 4.90 | 4.90 |
| Jan 17 | 35.5 | 15.2 | 0.31 | 0.31 | 5.20 | 5.20 |
| Jan 18 | 35.5 | 15.2 | 0.32 | 0.32 | 5.50 | 5.50 |
| Jan 19 | 35.5 | 15.2 | 0.34 | 0.34 | 5.70 | 5.70 |
| Jan 20 | 35.5 | 15.3 | 0.35 | 0.35 | 6.00 | 6.00 |
| Jan 21 | 35.5 | 15.3 | 0.37 | 0.37 | 6.20 | 6.20 |
| Jan 22 | 35.5 | 15.3 | 0.39 | 0.39 | 6.50 | 6.50 |
| Jan 23 | 35.5 | 15.3 | 0.41 | 0.41 | 6.80 | 6.80 |
| Jan 24 | 35.5 | 15.3 | 0.42 | 0.42 | 7.10 | 7.10 |
| Jan 25 | 35.5 | 15.3 | 0.44 | 0.44 | 7.40 | 7.40 |
| Jan 26 | 35.5 | 15.3 | 0.46 | 0.46 | 7.70 | 7.70 |
| Jan 27 | 35.5 | 15.3 | 0.48 | 0.48 | 8.00 | 8.00 |
| Jan 28 | 35.5 | 15.3 | 0.50 | 0.50 | 8.30 | 8.30 |
| Jan 29 | 35.5 | 15.3 | 0.51 | 0.51 | 8.60 | 8.60 |
| Jan 30 | 35.5 | 15.2 | 0.53 | 0.53 | 8.90 | 8.90 |
| Jan 31 | 35.6 | 15.2 | 0.55 | 0.55 | 9.20 | 9.20 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Great Falls - October 2026
| Day | HighºF | LowºF | Precip.inch | Snowinch | Snow depthinch |
|---|---|---|---|---|---|
| Oct 1 | 62.1 | 33.1 | 0.00 | 0.00 | 0.0 |
| Oct 2 | 77.0 | 41.0 | 0.00 | 0.00 | 0.0 |
| Oct 3 | 71.1 | 37.9 | 0.00 | 0.00 | 0.0 |
| Oct 4 | – | – | – | – | – |
| Oct 5 | – | – | – | – | – |
| Oct 6 | – | – | – | – | – |
| Oct 7 | 75.9 | 44.1 | 0.00 | 0.00 | 0.0 |
| Oct 8 | 80.1 | 43.0 | 0.00 | 0.00 | 0.0 |
| Oct 9 | 81.0 | 54.0 | 0.00 | 0.00 | 0.0 |
| Oct 10 | 55.9 | 30.9 | 1.29 | 6.42 | 0.0 |
| Oct 11 | 32.0 | 30.0 | 0.83 | 9.29 | 8.0 |
| Oct 12 | 34.0 | 28.9 | 0.03 | 0.31 | 10.0 |
| Oct 13 | 41.0 | 30.0 | 0.00 | 0.00 | 6.0 |
| Oct 14 | 48.0 | 34.0 | 0.00 | 0.00 | 3.0 |
| Oct 15 | 50.0 | 34.0 | 0.00 | 0.00 | 0.0 |
| Oct 16 | 69.1 | 41.0 | 0.00 | 0.00 | 0.0 |
| Oct 17 | – | – | – | – | – |
| Oct 18 | 61.0 | 35.1 | 0.00 | 0.00 | 0.0 |
| Oct 19 | – | – | – | – | – |
| Oct 20 | – | – | – | – | – |
| Oct 21 | 73.0 | 34.0 | 0.00 | 0.00 | 0.0 |
| Oct 22 | 73.9 | 37.9 | 0.00 | 0.00 | 0.0 |
| Oct 23 | 57.9 | 25.0 | 0.79 | 3.19 | 0.0 |
| Oct 24 | 41.0 | 21.0 | 0.00 | 0.00 | 3.0 |
| Oct 25 | 36.0 | 19.9 | 0.00 | 0.00 | 1.0 |
| Oct 26 | 39.9 | 21.0 | 0.01 | 0.00 | T |
| Oct 27 | 52.0 | 33.1 | 0.04 | 0.00 | 0.0 |
| Oct 28 | 53.1 | 28.9 | 0.00 | 0.00 | 0.0 |
| Oct 29 | 33.1 | 28.9 | 0.01 | 0.00 | 0.0 |
| Oct 30 | 37.9 | 33.1 | T | 0.00 | 0.0 |
| Oct 31 | – | – | – | – | – |
The data for October 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature81.0ºF · Oct 9
- Lowest max temperature32.0ºF · Oct 11
- Highest min temperature54.0ºF · Oct 9
- Lowest min temperature19.9ºF · Oct 25
Geo Great Falls - Montana
Location
- Country
- United States
- State
- Montana
- County
- Cascade
- City
- Great Falls
- Zip Code
- 59401
- Elevation
- 3343 ft
- Longitude
- -111.30
- Latitude
- 47.51
- ICAO
- –
- IATA
- –