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Weather & Climate
Cascade, Idaho, United States
Overview
Climate data and monthly weather averages for Cascade.
Key Metrics
Annual Avg
6.9°C
Summer Avg
19.1°C
Winter Avg
-4.6°C
Record High
38.8°C
Record Low
-27.9°C
Annual Precipitation
687.9 mm
Avg Humidity
66%
Summer Humidity
47%
Winter Humidity
89%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 5.4° | -5.2° | -27.9° | 89 | 91% | 48 | 38.3 |
| Feb | 10.4° | -3.7° | -23.6° | 66.4 | 87% | 70 | 32.5 |
| Mar | 18.6° | 0.7° | -19.1° | 88.7 | 79% | 112 | 30.9 |
| Apr | 25° | 4.9° | -11.4° | 59.7 | 69% | 158 | 33.7 |
| May | 31.3° | 10.6° | -5.3° | 55.2 | 63% | 201 | 32 |
| Jun | 38.8° | 15.2° | -0.8° | 40.8 | 58% | 218 | 29.4 |
| Jul | 38.7° | 21.5° | 3.5° | 9.9 | 44% | 242 | 27.5 |
| Aug | 37° | 20.6° | 2.5° | 12.1 | 39% | 206 | 27.5 |
| Sep | 35° | 15.2° | -2.6° | 25.2 | 44% | 151 | 34.1 |
| Oct | 29.6° | 7.5° | -11.3° | 48.4 | 57% | 100 | 28.7 |
| Nov | 18.6° | 0.3° | -23.6° | 75.9 | 74% | 55 | 35.1 |
| Dec | 8.4° | -5° | -25.5° | 116.6 | 88% | 38 | 37.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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