US Geography / US Weather / Oregon Weather / Wilsonville |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 46 | 51 | 55 | 58 | 66 | 74 | 78 | 80 | 74 | 64 | 52 | 46 |
| Avg. Low | 32 | 34 | 36 | 38 | 44 | 48 | 52 | 52 | 48 | 41 | 37 | 34 |
| Mean | 38 | 44 | 46 | 50 | 55 | 62 | 66 | 66 | 62 | 54 | 45 | 40 |
| Avg. Precip. | 6.0 in | 4.6 in | 4.1 in | 2.8 in | 2.3 in | 1.7 in | 0.7 in | 1.0 in | 1.8 in | 3.3 in | 6.3 in | 6.9 in |
Degrees in Fahrenheit
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