Cold steppe climate
Climate Dillon - Montana
Annual high57ºF
Annual low30ºF
Precipitation11.67 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 35 | 15 | 0.29 |
| Feb | 39 | 17 | 0.30 |
| Mar | 48 | 23 | 0.66 |
| Apr | 56 | 29 | 1.39 |
| May | 66 | 37 | 2.19 |
| Jun | 74 | 43 | 1.93 |
| Jul | 83 | 48 | 1.12 |
| Aug | 82 | 46 | 1.16 |
| Sep | 72 | 39 | 0.91 |
| Oct | 58 | 31 | 0.91 |
| Nov | 43 | 22 | 0.45 |
| Dec | 33 | 13 | 0.36 |
- JanHigh 35ºFLow 15ºFPrecip 0.29 inch
- FebHigh 39ºFLow 17ºFPrecip 0.30 inch
- MarHigh 48ºFLow 23ºFPrecip 0.66 inch
- AprHigh 56ºFLow 29ºFPrecip 1.39 inch
- MayHigh 66ºFLow 37ºFPrecip 2.19 inch
- JunHigh 74ºFLow 43ºFPrecip 1.93 inch
- JulHigh 83ºFLow 48ºFPrecip 1.12 inch
- AugHigh 82ºFLow 46ºFPrecip 1.16 inch
- SepHigh 72ºFLow 39ºFPrecip 0.91 inch
- OctHigh 58ºFLow 31ºFPrecip 0.91 inch
- NovHigh 43ºFLow 22ºFPrecip 0.45 inch
- DecHigh 33ºFLow 13ºFPrecip 0.36 inch
Climate summary
What is the average weather in Dillon, Montana?
Dillon experiences a cold semi-arid climate, marked by very large seasonal temperature contrasts due to its inland location. Summers are warm, while winters are cold. The area is dry overall, with precipitation generally low throughout the year, though spring sees slightly more moisture.
Dillon weather averages
Annual high57ºF
Annual low30ºF
Precipitation11.67 inch
Daily normals Dillon - Montana - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 30.5 | 11.6 | 0.01 | 0.01 |
| Jan 2 | 30.6 | 11.8 | 0.01 | 0.01 |
| Jan 3 | 30.7 | 11.9 | 0.02 | 0.02 |
| Jan 4 | 30.8 | 12.0 | 0.03 | 0.03 |
| Jan 5 | 30.9 | 12.2 | 0.04 | 0.04 |
| Jan 6 | 31.0 | 12.3 | 0.04 | 0.04 |
| Jan 7 | 31.1 | 12.4 | 0.05 | 0.05 |
| Jan 8 | 31.2 | 12.5 | 0.06 | 0.06 |
| Jan 9 | 31.3 | 12.7 | 0.06 | 0.06 |
| Jan 10 | 31.4 | 12.8 | 0.07 | 0.07 |
| Jan 11 | 31.5 | 12.9 | 0.08 | 0.08 |
| Jan 12 | 31.6 | 13.0 | 0.08 | 0.08 |
| Jan 13 | 31.7 | 13.0 | 0.09 | 0.09 |
| Jan 14 | 31.7 | 13.1 | 0.09 | 0.09 |
| Jan 15 | 31.8 | 13.2 | 0.10 | 0.10 |
| Jan 16 | 31.9 | 13.2 | 0.10 | 0.10 |
| Jan 17 | 31.9 | 13.3 | 0.11 | 0.11 |
| Jan 18 | 32.0 | 13.3 | 0.12 | 0.12 |
| Jan 19 | 32.0 | 13.4 | 0.12 | 0.12 |
| Jan 20 | 32.0 | 13.4 | 0.13 | 0.13 |
| Jan 21 | 32.1 | 13.4 | 0.13 | 0.13 |
| Jan 22 | 32.1 | 13.4 | 0.14 | 0.14 |
| Jan 23 | 32.1 | 13.4 | 0.15 | 0.15 |
| Jan 24 | 32.2 | 13.3 | 0.15 | 0.15 |
| Jan 25 | 32.2 | 13.3 | 0.16 | 0.16 |
| Jan 26 | 32.2 | 13.3 | 0.17 | 0.17 |
| Jan 27 | 32.3 | 13.3 | 0.17 | 0.17 |
| Jan 28 | 32.3 | 13.2 | 0.18 | 0.18 |
| Jan 29 | 32.4 | 13.2 | 0.19 | 0.19 |
| Jan 30 | 32.4 | 13.1 | 0.19 | 0.19 |
| Jan 31 | 32.5 | 13.1 | 0.20 | 0.20 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Dillon - October 2026
| Day | HighºF | LowºF | Precip.inch | Snowinch |
|---|---|---|---|---|
| Oct 1 | 70.0 | 36.0 | 0.00 | – |
| Oct 2 | 77.0 | 41.0 | 0.00 | – |
| Oct 3 | 71.1 | 39.0 | 0.00 | – |
| Oct 4 | – | – | – | – |
| Oct 5 | – | – | – | – |
| Oct 6 | – | – | – | – |
| Oct 7 | – | – | – | – |
| Oct 8 | – | – | – | – |
| Oct 9 | – | – | – | – |
| Oct 10 | 64.0 | 32.0 | 0.00 | – |
| Oct 11 | 33.1 | 28.0 | 0.10 | – |
| Oct 12 | 33.1 | 17.1 | 0.41 | 9.02 |
| Oct 13 | 37.9 | 21.0 | 0.00 | 0.00 |
| Oct 14 | 44.1 | 25.0 | 0.00 | 0.00 |
| Oct 15 | 48.0 | 26.1 | 0.00 | 0.00 |
| Oct 16 | 63.0 | 26.1 | 0.00 | 0.00 |
| Oct 17 | – | – | – | – |
| Oct 18 | 64.9 | 45.0 | 0.00 | – |
| Oct 19 | – | – | – | – |
| Oct 20 | – | – | – | – |
| Oct 21 | 64.9 | 34.0 | 0.15 | – |
| Oct 22 | 64.0 | 37.9 | 0.00 | – |
| Oct 23 | 54.0 | 28.0 | 1.10 | 2.01 |
| Oct 24 | 41.0 | 30.0 | 0.00 | – |
| Oct 25 | 41.0 | 21.9 | 0.00 | – |
| Oct 26 | 68.0 | 19.0 | 0.07 | – |
| Oct 27 | 48.9 | 28.9 | 0.00 | – |
| Oct 28 | 48.0 | 28.9 | 0.00 | – |
| Oct 29 | 52.0 | 24.1 | 0.00 | – |
| Oct 30 | 44.1 | 27.0 | 0.00 | – |
| Oct 31 | 41.0 | 28.0 | 0.27 | – |
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 2
- Lowest max temperature33.1ºF · Oct 11
- Highest min temperature45.0ºF · Oct 18
- Lowest min temperature17.1ºF · Oct 12
Geo Dillon - Montana
Location
- Country
- United States
- State
- Montana
- County
- Beaverhead
- City
- Dillon
- Zip Code
- 59725
- Elevation
- 5217 ft
- Longitude
- -112.55
- Latitude
- 45.26
- ICAO
- –
- IATA
- –