Cold steppe climate
Climate Shelby - Montana
Annual high58ºF
Annual low30ºF
Precipitation12.05 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 34 | 8 | 0.35 |
| Feb | 39 | 13 | 0.31 |
| Mar | 47 | 20 | 0.69 |
| Apr | 57 | 29 | 1.16 |
| May | 67 | 39 | 1.71 |
| Jun | 74 | 46 | 2.66 |
| Jul | 83 | 51 | 1.47 |
| Aug | 83 | 49 | 1.18 |
| Sep | 71 | 40 | 1.20 |
| Oct | 59 | 30 | 0.52 |
| Nov | 43 | 19 | 0.33 |
| Dec | 34 | 10 | 0.47 |
- JanHigh 34ºFLow 8ºFPrecip 0.35 inch
- FebHigh 39ºFLow 13ºFPrecip 0.31 inch
- MarHigh 47ºFLow 20ºFPrecip 0.69 inch
- AprHigh 57ºFLow 29ºFPrecip 1.16 inch
- MayHigh 67ºFLow 39ºFPrecip 1.71 inch
- JunHigh 74ºFLow 46ºFPrecip 2.66 inch
- JulHigh 83ºFLow 51ºFPrecip 1.47 inch
- AugHigh 83ºFLow 49ºFPrecip 1.18 inch
- SepHigh 71ºFLow 40ºFPrecip 1.20 inch
- OctHigh 59ºFLow 30ºFPrecip 0.52 inch
- NovHigh 43ºFLow 19ºFPrecip 0.33 inch
- DecHigh 34ºFLow 10ºFPrecip 0.47 inch
Climate summary
What is the average weather in Shelby, Montana?
Shelby experiences a cold semi-arid climate, marked by very large seasonal temperature contrasts. Summers are warm, while winters are cold due to the inland location. The area is dry overall, with precipitation generally low, though summers are somewhat wetter, occasionally bringing brief showers.
Shelby weather averages
Annual high58ºF
Annual low30ºF
Precipitation12.05 inch
Daily normals Shelby - Montana - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 30.9 | 5.7 | 0.02 | 0.02 | 0.30 | 0.30 |
| Jan 2 | 30.8 | 5.6 | 0.04 | 0.04 | 0.50 | 0.50 |
| Jan 3 | 30.8 | 5.5 | 0.05 | 0.05 | 0.80 | 0.80 |
| Jan 4 | 30.8 | 5.5 | 0.07 | 0.07 | 1.10 | 1.10 |
| Jan 5 | 30.8 | 5.4 | 0.09 | 0.09 | 1.30 | 1.30 |
| Jan 6 | 30.8 | 5.4 | 0.10 | 0.10 | 1.60 | 1.60 |
| Jan 7 | 30.8 | 5.4 | 0.12 | 0.12 | 1.90 | 1.90 |
| Jan 8 | 30.8 | 5.4 | 0.14 | 0.14 | 2.10 | 2.10 |
| Jan 9 | 30.8 | 5.4 | 0.16 | 0.16 | 2.40 | 2.40 |
| Jan 10 | 30.9 | 5.4 | 0.17 | 0.17 | 2.60 | 2.60 |
| Jan 11 | 30.9 | 5.5 | 0.19 | 0.19 | 2.90 | 2.90 |
| Jan 12 | 31.0 | 5.5 | 0.21 | 0.21 | 3.20 | 3.20 |
| Jan 13 | 31.0 | 5.6 | 0.23 | 0.23 | 3.50 | 3.50 |
| Jan 14 | 31.1 | 5.6 | 0.24 | 0.24 | 3.70 | 3.70 |
| Jan 15 | 31.1 | 5.7 | 0.26 | 0.26 | 3.90 | 3.90 |
| Jan 16 | 31.2 | 5.8 | 0.27 | 0.27 | 4.20 | 4.20 |
| Jan 17 | 31.3 | 5.9 | 0.29 | 0.29 | 4.40 | 4.40 |
| Jan 18 | 31.3 | 6.0 | 0.30 | 0.30 | 4.60 | 4.60 |
| Jan 19 | 31.4 | 6.1 | 0.31 | 0.31 | 4.80 | 4.80 |
| Jan 20 | 31.5 | 6.2 | 0.32 | 0.32 | 5.00 | 5.00 |
| Jan 21 | 31.6 | 6.3 | 0.34 | 0.34 | 5.20 | 5.20 |
| Jan 22 | 31.7 | 6.4 | 0.35 | 0.35 | 5.40 | 5.40 |
| Jan 23 | 31.8 | 6.6 | 0.36 | 0.36 | 5.60 | 5.60 |
| Jan 24 | 31.9 | 6.7 | 0.38 | 0.38 | 5.80 | 5.80 |
| Jan 25 | 32.0 | 6.8 | 0.39 | 0.39 | 6.00 | 6.00 |
| Jan 26 | 32.1 | 6.9 | 0.40 | 0.40 | 6.30 | 6.30 |
| Jan 27 | 32.2 | 7.1 | 0.41 | 0.41 | 6.50 | 6.50 |
| Jan 28 | 32.3 | 7.2 | 0.42 | 0.42 | 6.70 | 6.70 |
| Jan 29 | 32.4 | 7.3 | 0.44 | 0.44 | 6.90 | 6.90 |
| Jan 30 | 32.6 | 7.5 | 0.45 | 0.45 | 7.10 | 7.10 |
| Jan 31 | 32.7 | 7.6 | 0.46 | 0.46 | 7.30 | 7.30 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Shelby - October 2026
| Day | HighºF | LowºF | Precip.inch | Snowinch | Snow depthinch |
|---|---|---|---|---|---|
| Oct 1 | 60.1 | 39.0 | 0.00 | 0.00 | 0.0 |
| Oct 2 | 61.0 | 42.1 | 0.00 | 0.00 | 0.0 |
| Oct 3 | – | – | – | – | – |
| Oct 4 | – | – | – | – | – |
| Oct 5 | – | – | – | – | – |
| Oct 6 | – | – | – | – | – |
| Oct 7 | 77.0 | 42.1 | 0.00 | 0.00 | 0.0 |
| Oct 8 | 68.0 | 39.9 | 0.00 | 0.00 | 0.0 |
| Oct 9 | 73.9 | 48.0 | 0.00 | 0.00 | 0.0 |
| Oct 10 | 72.0 | 39.9 | 0.01 | 0.00 | 0.0 |
| Oct 11 | 39.9 | 30.0 | 0.44 | 2.01 | 1.0 |
| Oct 12 | 34.0 | 28.9 | 0.24 | 0.98 | 0.0 |
| Oct 13 | 37.9 | 26.1 | 0.00 | 0.00 | 0.0 |
| Oct 14 | 52.0 | 30.0 | 0.00 | 0.00 | 0.0 |
| Oct 15 | 64.0 | 33.1 | 0.00 | 0.00 | 0.0 |
| Oct 16 | 52.0 | 26.1 | 0.00 | 0.00 | 0.0 |
| Oct 17 | – | – | – | – | – |
| Oct 18 | 73.9 | 35.1 | 0.00 | 0.00 | 0.0 |
| Oct 19 | – | – | – | – | – |
| Oct 20 | – | – | – | – | – |
| Oct 21 | 71.1 | 37.0 | 0.00 | 0.00 | 0.0 |
| Oct 22 | 71.1 | 41.0 | T | 0.00 | 0.0 |
| Oct 23 | 41.0 | 28.0 | 0.62 | 0.98 | 0.0 |
| Oct 24 | 41.0 | 28.0 | 0.62 | 0.98 | 0.0 |
| Oct 25 | 42.1 | 30.0 | 0.00 | 0.00 | 0.0 |
| Oct 26 | 39.9 | 25.0 | 0.00 | 0.00 | 0.0 |
| Oct 27 | 39.0 | 28.9 | 0.09 | 0.00 | 0.0 |
| Oct 28 | 48.0 | 33.1 | 0.00 | 0.00 | 0.0 |
| Oct 29 | 42.1 | 30.0 | T | 0.00 | 0.0 |
| Oct 30 | – | – | – | – | – |
| 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 temperature77.0ºF · Oct 7
- Lowest max temperature34.0ºF · Oct 12
- Highest min temperature48.0ºF · Oct 9
- Lowest min temperature25.0ºF · Oct 26
Geo Shelby - Montana
Location
- Country
- United States
- State
- Montana
- County
- –
- City
- Shelby
- Zip Code
- 59474
- Elevation
- 3281 ft
- Longitude
- -111.86
- Latitude
- 48.51
- ICAO
- –
- IATA
- –