Cold steppe climate
Climate Salmon - Idaho
Annual high57ºF
Annual low31ºF
Precipitation9.51 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 28 | 11 | 0.48 | 7 |
| Feb | 35 | 15 | 0.43 | 4 |
| Mar | 49 | 26 | 0.50 | 2 |
| Apr | 58 | 32 | 0.77 | 1 |
| May | 67 | 40 | 1.35 | 0 |
| Jun | 75 | 47 | 1.44 | 0 |
| Jul | 85 | 52 | 0.92 | 0 |
| Aug | 84 | 49 | 0.76 | 0 |
| Sep | 73 | 41 | 0.80 | 0 |
| Oct | 58 | 31 | 0.68 | 0 |
| Nov | 40 | 22 | 0.69 | 4 |
| Dec | 27 | 12 | 0.69 | 7 |
- JanHigh 28ºFLow 11ºFPrecip 0.48 inch
- FebHigh 35ºFLow 15ºFPrecip 0.43 inch
- MarHigh 49ºFLow 26ºFPrecip 0.50 inch
- AprHigh 58ºFLow 32ºFPrecip 0.77 inch
- MayHigh 67ºFLow 40ºFPrecip 1.35 inch
- JunHigh 75ºFLow 47ºFPrecip 1.44 inch
- JulHigh 85ºFLow 52ºFPrecip 0.92 inch
- AugHigh 84ºFLow 49ºFPrecip 0.76 inch
- SepHigh 73ºFLow 41ºFPrecip 0.80 inch
- OctHigh 58ºFLow 31ºFPrecip 0.68 inch
- NovHigh 40ºFLow 22ºFPrecip 0.69 inch
- DecHigh 27ºFLow 12ºFPrecip 0.69 inch
Climate summary
What is the average weather in Salmon, Idaho?
Salmon experiences a cold semi-arid climate, marked by very large seasonal temperature contrasts. Summers are warm, while winters are cold and bring regular snowfall. The area is very dry overall, with precipitation generally low throughout the year, occasionally arriving in brief showers. Summer is the wettest season, contrasting with drier winters.
Salmon weather averages
Annual high57ºF
Annual low31ºF
Precipitation9.51 inch
Snowfall25 inch
Daily normals Salmon - Idaho - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 27.1 | 10.4 | 0.02 | 0.02 | 0.20 | 0.20 |
| Jan 2 | 27.1 | 10.4 | 0.04 | 0.04 | 0.50 | 0.50 |
| Jan 3 | 27.1 | 10.3 | 0.06 | 0.06 | 0.70 | 0.70 |
| Jan 4 | 27.2 | 10.3 | 0.09 | 0.09 | 0.90 | 0.90 |
| Jan 5 | 27.2 | 10.3 | 0.11 | 0.11 | 1.10 | 1.10 |
| Jan 6 | 27.3 | 10.3 | 0.13 | 0.13 | 1.40 | 1.40 |
| Jan 7 | 27.3 | 10.3 | 0.15 | 0.15 | 1.60 | 1.60 |
| Jan 8 | 27.4 | 10.3 | 0.17 | 0.17 | 1.80 | 1.80 |
| Jan 9 | 27.4 | 10.4 | 0.20 | 0.20 | 2.00 | 2.00 |
| Jan 10 | 27.5 | 10.4 | 0.22 | 0.22 | 2.30 | 2.30 |
| Jan 11 | 27.5 | 10.4 | 0.24 | 0.24 | 2.50 | 2.50 |
| Jan 12 | 27.6 | 10.5 | 0.25 | 0.25 | 2.70 | 2.70 |
| Jan 13 | 27.7 | 10.5 | 0.27 | 0.27 | 2.90 | 2.90 |
| Jan 14 | 27.8 | 10.6 | 0.29 | 0.29 | 3.10 | 3.10 |
| Jan 15 | 27.8 | 10.7 | 0.31 | 0.31 | 3.40 | 3.40 |
| Jan 16 | 27.9 | 10.7 | 0.33 | 0.33 | 3.60 | 3.60 |
| Jan 17 | 28.0 | 10.8 | 0.35 | 0.35 | 3.80 | 3.80 |
| Jan 18 | 28.1 | 10.9 | 0.37 | 0.37 | 4.10 | 4.10 |
| Jan 19 | 28.3 | 11.0 | 0.39 | 0.39 | 4.30 | 4.30 |
| Jan 20 | 28.4 | 11.1 | 0.41 | 0.41 | 4.50 | 4.50 |
| Jan 21 | 28.5 | 11.2 | 0.42 | 0.42 | 4.70 | 4.70 |
| Jan 22 | 28.6 | 11.3 | 0.44 | 0.44 | 4.90 | 4.90 |
| Jan 23 | 28.8 | 11.4 | 0.46 | 0.46 | 5.10 | 5.10 |
| Jan 24 | 28.9 | 11.6 | 0.48 | 0.48 | 5.30 | 5.30 |
| Jan 25 | 29.1 | 11.7 | 0.49 | 0.49 | 5.60 | 5.60 |
| Jan 26 | 29.3 | 11.8 | 0.51 | 0.51 | 5.80 | 5.80 |
| Jan 27 | 29.4 | 12.0 | 0.52 | 0.52 | 5.90 | 5.90 |
| Jan 28 | 29.6 | 12.1 | 0.54 | 0.54 | 6.10 | 6.10 |
| Jan 29 | 29.8 | 12.3 | 0.55 | 0.55 | 6.30 | 6.30 |
| Jan 30 | 30.1 | 12.4 | 0.57 | 0.57 | 6.50 | 6.50 |
| Jan 31 | 30.3 | 12.6 | 0.58 | 0.58 | 6.70 | 6.70 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Salmon - September 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Sep 1 | 82.9 | 43.0 | 0.00 |
| Sep 2 | 84.0 | 46.0 | 1.00 |
| Sep 3 | – | – | – |
| Sep 4 | – | – | – |
| Sep 5 | – | – | – |
| Sep 6 | – | – | – |
| Sep 7 | – | – | – |
| Sep 8 | – | – | – |
| Sep 9 | – | – | – |
| Sep 10 | – | – | – |
| Sep 11 | – | – | – |
| Sep 12 | – | – | – |
| Sep 13 | – | – | – |
| Sep 14 | – | – | – |
| Sep 15 | – | – | – |
| Sep 16 | – | – | – |
| Sep 17 | – | – | – |
| Sep 18 | – | – | – |
| Sep 19 | – | – | – |
| Sep 20 | – | – | – |
| Sep 21 | – | – | – |
| Sep 22 | 77.0 | 41.0 | 0.00 |
| Sep 23 | 75.0 | 42.1 | 0.00 |
| Sep 24 | 75.9 | 41.0 | 0.00 |
| Sep 25 | – | – | – |
| Sep 26 | – | – | – |
| Sep 27 | 64.9 | 34.0 | 0.00 |
| Sep 28 | 64.0 | 34.0 | 0.00 |
| Sep 29 | 71.1 | 34.0 | 0.00 |
| Sep 30 | 75.0 | 35.1 | 0.00 |
The data for September 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 temperature84.0ºF · Sep 2
- Lowest max temperature64.0ºF · Sep 28
- Highest min temperature46.0ºF · Sep 2
- Lowest min temperature34.0ºF · Sep 27
Geo Salmon - Idaho
Location
- Country
- United States
- State
- Idaho
- County
- Lemhi
- City
- Salmon
- Zip Code
- 83467
- Elevation
- 4035 ft
- Longitude
- -113.88
- Latitude
- 45.12
- ICAO
- –
- IATA
- –