Warm-summer humid continental climate
Climate Swan Valley - Idaho
Annual high56ºF
Annual low31ºF
Precipitation18.74 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 30 | 13 | 1.58 |
| Feb | 34 | 16 | 1.05 |
| Mar | 44 | 24 | 1.41 |
| Apr | 55 | 31 | 1.68 |
| May | 65 | 38 | 2.75 |
| Jun | 74 | 44 | 1.86 |
| Jul | 84 | 48 | 1.38 |
| Aug | 83 | 47 | 1.23 |
| Sep | 73 | 40 | 1.38 |
| Oct | 58 | 31 | 1.50 |
| Nov | 41 | 23 | 1.58 |
| Dec | 30 | 15 | 1.34 |
- JanHigh 30ºFLow 13ºFPrecip 1.58 inch
- FebHigh 34ºFLow 16ºFPrecip 1.05 inch
- MarHigh 44ºFLow 24ºFPrecip 1.41 inch
- AprHigh 55ºFLow 31ºFPrecip 1.68 inch
- MayHigh 65ºFLow 38ºFPrecip 2.75 inch
- JunHigh 74ºFLow 44ºFPrecip 1.86 inch
- JulHigh 84ºFLow 48ºFPrecip 1.38 inch
- AugHigh 83ºFLow 47ºFPrecip 1.23 inch
- SepHigh 73ºFLow 40ºFPrecip 1.38 inch
- OctHigh 58ºFLow 31ºFPrecip 1.50 inch
- NovHigh 41ºFLow 23ºFPrecip 1.58 inch
- DecHigh 30ºFLow 15ºFPrecip 1.34 inch
Climate summary
What is the average weather in Swan Valley, Idaho?
Swan Valley experiences a humid continental climate, marked by very large seasonal temperature contrasts. Summers are warm, while winters are cold due to the inland location and high elevation. Precipitation is dry overall, with moisture spread fairly evenly throughout the year, though winter is the driest season.
Swan Valley weather averages
Annual high56ºF
Annual low31ºF
Precipitation18.74 inch
Daily normals Swan Valley - Idaho - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 29.8 | 10.5 | 0.06 | 0.06 |
| Jan 2 | 29.8 | 10.5 | 0.12 | 0.12 |
| Jan 3 | 29.8 | 10.5 | 0.18 | 0.18 |
| Jan 4 | 29.8 | 10.5 | 0.24 | 0.24 |
| Jan 5 | 29.8 | 10.5 | 0.30 | 0.30 |
| Jan 6 | 29.8 | 10.5 | 0.36 | 0.36 |
| Jan 7 | 29.9 | 10.6 | 0.42 | 0.42 |
| Jan 8 | 29.9 | 10.6 | 0.48 | 0.48 |
| Jan 9 | 29.9 | 10.6 | 0.54 | 0.54 |
| Jan 10 | 30.0 | 10.7 | 0.61 | 0.61 |
| Jan 11 | 30.0 | 10.7 | 0.67 | 0.67 |
| Jan 12 | 30.1 | 10.8 | 0.73 | 0.73 |
| Jan 13 | 30.1 | 10.8 | 0.79 | 0.79 |
| Jan 14 | 30.2 | 10.9 | 0.85 | 0.85 |
| Jan 15 | 30.2 | 10.9 | 0.91 | 0.91 |
| Jan 16 | 30.3 | 11.0 | 0.97 | 0.97 |
| Jan 17 | 30.3 | 11.0 | 1.03 | 1.03 |
| Jan 18 | 30.4 | 11.1 | 1.09 | 1.09 |
| Jan 19 | 30.5 | 11.1 | 1.15 | 1.15 |
| Jan 20 | 30.5 | 11.2 | 1.21 | 1.21 |
| Jan 21 | 30.6 | 11.2 | 1.27 | 1.27 |
| Jan 22 | 30.7 | 11.3 | 1.33 | 1.33 |
| Jan 23 | 30.8 | 11.3 | 1.39 | 1.39 |
| Jan 24 | 30.8 | 11.4 | 1.46 | 1.46 |
| Jan 25 | 30.9 | 11.4 | 1.51 | 1.51 |
| Jan 26 | 31.0 | 11.5 | 1.57 | 1.57 |
| Jan 27 | 31.1 | 11.5 | 1.63 | 1.63 |
| Jan 28 | 31.2 | 11.6 | 1.68 | 1.68 |
| Jan 29 | 31.3 | 11.6 | 1.74 | 1.74 |
| Jan 30 | 31.4 | 11.7 | 1.79 | 1.79 |
| Jan 31 | 31.6 | 11.8 | 1.85 | 1.85 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Swan Valley - October 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Oct 1 | 78.1 | 36.0 | 0.00 |
| Oct 2 | 77.0 | 37.9 | 0.00 |
| Oct 3 | 82.9 | 37.9 | 0.00 |
| Oct 4 | 82.9 | 37.0 | 0.00 |
| Oct 5 | – | – | – |
| Oct 6 | – | – | – |
| Oct 7 | – | – | – |
| Oct 8 | 84.0 | 37.9 | 0.00 |
| Oct 9 | 82.9 | 37.0 | 0.00 |
| Oct 10 | 84.0 | 37.9 | 0.00 |
| Oct 11 | 64.9 | 51.1 | 0.30 |
| Oct 12 | 54.0 | 42.1 | 0.52 |
| Oct 13 | 52.0 | 41.0 | 0.17 |
| Oct 14 | 46.9 | 43.0 | 0.20 |
| Oct 15 | 57.0 | 28.9 | 0.00 |
| Oct 16 | 64.0 | 28.0 | 0.00 |
| Oct 17 | 69.1 | 30.9 | 0.00 |
| Oct 18 | 72.0 | 30.0 | 0.00 |
| Oct 19 | 73.0 | 30.0 | 0.00 |
| Oct 20 | – | – | – |
| Oct 21 | – | – | – |
| Oct 22 | 73.9 | 41.0 | 0.00 |
| Oct 23 | 70.0 | 39.9 | 0.20 |
| Oct 24 | 50.0 | 37.0 | 0.35 |
| Oct 25 | 53.1 | 32.0 | 0.00 |
| Oct 26 | 62.1 | 30.9 | 0.00 |
| Oct 27 | 63.0 | 36.0 | 0.27 |
| Oct 28 | 46.9 | 30.0 | 0.02 |
| Oct 29 | – | – | – |
| 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 temperature84.0ºF · Oct 8
- Lowest max temperature46.9ºF · Oct 14
- Highest min temperature51.1ºF · Oct 11
- Lowest min temperature28.0ºF · Oct 16
Geo Swan Valley - Idaho
Location
- Country
- United States
- State
- Idaho
- County
- Bonneville
- City
- Swan Valley
- Zip Code
- 83449
- Elevation
- 5531 ft
- Longitude
- -111.34
- Latitude
- 43.46
- ICAO
- –
- IATA
- –