Unlock deeper multi-jurisdiction research
Full sub-pages, saves, and alerts are available on paid plans.
Weather & Climate
Cascade Valley, Washington, United States
Overview
Climate data and monthly weather averages for Cascade Valley.
Key Metrics
Annual Avg
11.4°C
Summer Avg
23.2°C
Winter Avg
0.1°C
Record High
42.6°C
Record Low
-20.4°C
Annual Precipitation
260.8 mm
Avg Humidity
60%
Summer Humidity
41%
Winter Humidity
80%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 16.7° | -0.7° | -20.4° | 36 | 85% | 35 | 45.8 |
| Feb | 16.9° | 1.9° | -16° | 23 | 73% | 63 | 58 |
| Mar | 24.6° | 6.4° | -12.2° | 26.7 | 65% | 110 | 51.2 |
| Apr | 30.8° | 10.6° | -3.9° | 19.5 | 56% | 157 | 48.2 |
| May | 36.2° | 16.3° | 0° | 22.3 | 50% | 198 | 49.2 |
| Jun | 41.8° | 20.3° | 5.3° | 15.9 | 45% | 209 | 41.4 |
| Jul | 42.6° | 25.1° | 9.1° | 4.3 | 39% | 234 | 41.1 |
| Aug | 41.9° | 24.1° | 8.6° | 5.9 | 40% | 195 | 45.6 |
| Sep | 37.7° | 18.6° | 2.3° | 9.6 | 46% | 138 | 50.9 |
| Oct | 30.2° | 10.9° | -7° | 23.6 | 60% | 89 | 48.1 |
| Nov | 21.2° | 3.9° | -13.3° | 31.5 | 75% | 44 | 62.3 |
| Dec | 14.8° | -0.8° | -18° | 42.5 | 83% | 28 | 62.1 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
Subscribe to unlock the full sub-page depth for additional jurisdictions.
You can keep discovering Oyster publicly, but full multi-jurisdiction depth, tracking, alerts, and exports are part of paid access.