Climate - Sunnyside - Washington
| Jan | Feb | March | April | May | June | |
|---|---|---|---|---|---|---|
| Average high in °F | 40 | 48 | 58 | 67 | 75 | 82 |
| Average low in °F | 25 | 29 | 34 | 39 | 46 | 52 |
| Av. precipitation - inch | 0.87 | 0.59 | 0.63 | 0.51 | 0.55 | 0.43 |
| July | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|
| Average high in °F | 89 | 89 | 80 | 67 | 50 | 40 |
| Average low in °F | 56 | 55 | 47 | 37 | 31 | 25 |
| Av. precipitation - inch | 0.2 | 0.31 | 0.47 | 0.51 | 0.94 | 1.14 |
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Sunnyside Climate Graph - Washington Climate Chart
Totals and averages
| Annual average high temperature | 65.5 °F |
| Annual average low temperature | 39.8 °F |
| Average temperature | 52.6 °F |
| Average annual precipitation | 7.2 in. |