US Geography / US Weather / Oregon Weather / Hermiston |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 40 | 48 | 57 | 64 | 72 | 81 | 88 | 87 | 78 | 65 | 50 | 41 |
| Avg. Low | 25 | 28 | 34 | 38 | 45 | 54 | 57 | 56 | 47 | 37 | 32 | 26 |
| Mean | 34 | 38 | 46 | 52 | 58 | 67 | 74 | 72 | 64 | 52 | 42 | 34 |
| Avg. Precip. | 1.3 in | 0.8 in | 0.8 in | 0.7 in | 0.7 in | 0.5 in | 0.3 in | 0.4 in | 0.4 in | 0.6 in | 1.3 in | 1.4 in |
Degrees in Fahrenheit
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