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Weather & Climate
Scappoose, Oregon, United States
Overview
Climate data and monthly weather averages for Scappoose.
Key Metrics
Annual Avg
9.5°C
Summer Avg
15.7°C
Winter Avg
3.5°C
Record High
37.4°C
Record Low
-12.3°C
Annual Precipitation
1602.6 mm
Avg Humidity
87%
Summer Humidity
81%
Winter Humidity
93%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 14.9° | 3.5° | -12.3° | 237.2 | 94% | 37 | 21.9 |
| Feb | 15.1° | 3.9° | -8.9° | 150.4 | 91% | 58 | 24.5 |
| Mar | 20.6° | 5.9° | -4.8° | 191.3 | 90% | 93 | 21 |
| Apr | 29.3° | 8° | -3.6° | 125.4 | 86% | 129 | 24 |
| May | 30.8° | 11.4° | -0.3° | 80 | 84% | 169 | 23.4 |
| Jun | 36.6° | 13.7° | 3.4° | 54.6 | 84% | 180 | 16.6 |
| Jul | 37.4° | 16.6° | 6.6° | 15.2 | 80% | 212 | 13.8 |
| Aug | 36.8° | 16.9° | 6.6° | 25.1 | 78% | 180 | 20.3 |
| Sep | 34.8° | 14.7° | 0.3° | 65.4 | 80% | 129 | 20 |
| Oct | 28° | 10.1° | -5° | 155 | 87% | 80 | 21.8 |
| Nov | 17.4° | 5.9° | -7.8° | 244.5 | 92% | 42 | 26.4 |
| Dec | 14.3° | 3.1° | -11.9° | 258.5 | 94% | 31 | 30.3 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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