Warm-summer humid continental climate
Climate Island Park - Idaho
Annual high53ºF
Annual low24ºF
Precipitation26.24 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 30 | 6 | 3.19 | 50 |
| Feb | 33 | 8 | 2.76 | 31 |
| Mar | 42 | 16 | 1.86 | 25 |
| Apr | 51 | 25 | 1.84 | 15 |
| May | 61 | 33 | 2.46 | 4 |
| Jun | 71 | 38 | 2.57 | 0 |
| Jul | 80 | 43 | 1.49 | 0 |
| Aug | 81 | 41 | 1.14 | 0 |
| Sep | 71 | 33 | 1.25 | 0 |
| Oct | 55 | 26 | 1.89 | 8 |
| Nov | 38 | 16 | 2.65 | 29 |
| Dec | 29 | 7 | 3.14 | 57 |
- JanHigh 30ºFLow 6ºFPrecip 3.19 inch
- FebHigh 33ºFLow 8ºFPrecip 2.76 inch
- MarHigh 42ºFLow 16ºFPrecip 1.86 inch
- AprHigh 51ºFLow 25ºFPrecip 1.84 inch
- MayHigh 61ºFLow 33ºFPrecip 2.46 inch
- JunHigh 71ºFLow 38ºFPrecip 2.57 inch
- JulHigh 80ºFLow 43ºFPrecip 1.49 inch
- AugHigh 81ºFLow 41ºFPrecip 1.14 inch
- SepHigh 71ºFLow 33ºFPrecip 1.25 inch
- OctHigh 55ºFLow 26ºFPrecip 1.89 inch
- NovHigh 38ºFLow 16ºFPrecip 2.65 inch
- DecHigh 29ºFLow 7ºFPrecip 3.14 inch
Climate summary
What is the average weather in Island Park, Idaho?
Island Park experiences a humid continental climate, marked by a very large seasonal temperature contrast. Winters are very cold and bring very snowy conditions, with significant snowfall. Summers are warm, but the high elevation keeps temperatures noticeably lower. The area receives moderate precipitation, with drier summers and wetter winters.
Island Park weather averages
Annual high53ºF
Annual low24ºF
Precipitation26.24 inch
Snowfall219 inch
Daily normals Island Park - Idaho - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 25.0 | 5.3 | 0.14 | 0.14 |
| Jan 2 | 25.1 | 5.3 | 0.28 | 0.28 |
| Jan 3 | 25.2 | 5.3 | 0.41 | 0.41 |
| Jan 4 | 25.3 | 5.4 | 0.55 | 0.55 |
| Jan 5 | 25.4 | 5.4 | 0.68 | 0.68 |
| Jan 6 | 25.6 | 5.5 | 0.82 | 0.82 |
| Jan 7 | 25.7 | 5.5 | 0.94 | 0.94 |
| Jan 8 | 25.8 | 5.6 | 1.07 | 1.07 |
| Jan 9 | 25.9 | 5.6 | 1.19 | 1.19 |
| Jan 10 | 26.0 | 5.7 | 1.31 | 1.31 |
| Jan 11 | 26.2 | 5.7 | 1.44 | 1.44 |
| Jan 12 | 26.3 | 5.8 | 1.55 | 1.55 |
| Jan 13 | 26.4 | 5.8 | 1.66 | 1.66 |
| Jan 14 | 26.5 | 5.9 | 1.77 | 1.77 |
| Jan 15 | 26.6 | 5.9 | 1.88 | 1.88 |
| Jan 16 | 26.7 | 6.0 | 1.99 | 1.99 |
| Jan 17 | 26.8 | 6.0 | 2.10 | 2.10 |
| Jan 18 | 26.8 | 6.0 | 2.21 | 2.21 |
| Jan 19 | 26.9 | 6.1 | 2.32 | 2.32 |
| Jan 20 | 27.0 | 6.1 | 2.43 | 2.43 |
| Jan 21 | 27.0 | 6.2 | 2.54 | 2.54 |
| Jan 22 | 27.1 | 6.2 | 2.64 | 2.64 |
| Jan 23 | 27.2 | 6.2 | 2.74 | 2.74 |
| Jan 24 | 27.2 | 6.2 | 2.84 | 2.84 |
| Jan 25 | 27.3 | 6.3 | 2.94 | 2.94 |
| Jan 26 | 27.3 | 6.3 | 3.04 | 3.04 |
| Jan 27 | 27.4 | 6.3 | 3.14 | 3.14 |
| Jan 28 | 27.4 | 6.3 | 3.23 | 3.23 |
| Jan 29 | 27.5 | 6.3 | 3.33 | 3.33 |
| Jan 30 | 27.5 | 6.4 | 3.43 | 3.43 |
| Jan 31 | 27.6 | 6.4 | 3.53 | 3.53 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Island Park - September 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Sep 1 | 69.1 | 46.0 | 0.12 |
| Sep 2 | 69.1 | 46.0 | 0.14 |
| Sep 3 | 68.0 | 39.9 | 0.00 |
| Sep 4 | 71.1 | 42.1 | 0.00 |
| Sep 5 | 75.0 | 37.0 | 0.00 |
| Sep 6 | 77.0 | 42.1 | 0.00 |
| Sep 7 | 60.1 | 26.1 | 0.11 |
| Sep 8 | 64.9 | 27.0 | 0.00 |
| Sep 9 | 69.1 | 28.9 | 0.00 |
| Sep 10 | 71.1 | 41.0 | 0.00 |
| Sep 11 | 73.9 | 36.0 | 0.00 |
| Sep 12 | 73.0 | 41.0 | 0.00 |
| Sep 13 | 70.0 | 33.1 | 0.00 |
| Sep 14 | 60.1 | 26.1 | T |
| Sep 15 | 66.0 | 30.9 | 0.00 |
| Sep 16 | 75.9 | 48.0 | 0.00 |
| Sep 17 | 64.9 | 46.0 | 0.01 |
| Sep 18 | 60.1 | 45.0 | 0.64 |
| Sep 19 | 60.1 | 36.0 | 0.07 |
| Sep 20 | 59.0 | 32.0 | 0.01 |
| Sep 21 | 68.0 | 32.0 | 0.00 |
| Sep 22 | 64.9 | 45.0 | 0.00 |
| Sep 23 | 64.0 | 32.0 | 0.02 |
| Sep 24 | 73.0 | 32.0 | 0.00 |
| Sep 25 | 72.0 | 30.9 | 0.00 |
| Sep 26 | 62.1 | 35.1 | 0.00 |
| Sep 27 | 68.0 | 41.0 | 0.14 |
| Sep 28 | 64.0 | 28.9 | 0.06 |
| Sep 29 | 64.0 | 28.9 | 0.00 |
| Sep 30 | 70.0 | 30.9 | 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 temperature77.0ºF · Sep 6
- Lowest max temperature59.0ºF · Sep 20
- Highest min temperature48.0ºF · Sep 16
- Lowest min temperature26.1ºF · Sep 7
Geo Island Park - Idaho
Location
- Country
- United States
- State
- Idaho
- County
- Fremont
- City
- Island Park
- Zip Code
- 83429
- Elevation
- 6568 ft
- Longitude
- -111.34
- Latitude
- 44.63
- ICAO
- –
- IATA
- –