US Geography / US Weather / Oregon Weather / Ontario |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 34° | 42° | 54° | 64° | 74° | 82° | 91° | 88° | 78° | 64° | 47° | 35° |
| Avg. Low | 17° | 24° | 30° | 37° | 45° | 52° | 58° | 55° | 46° | 35° | 28° | 20° |
| Mean | 26° | 34° | 42° | 50° | 58° | 68° | 75° | 74° | 62° | 50° | 38° | 28° |
| Avg. Precip. | 1.3 in | 0.9 in | 1.0 in | 0.7 in | 0.8 in | 0.8 in | 0.3 in | 0.5 in | 0.5 in | 0.6 in | 1.3 in | 1.4 in |
Degrees in Fahrenheit
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