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Historical Washington Weather Data
| Record High Temp (°F) |
Normal High Temp (°F) |
Normal Low Temp (°F) |
Record Low Temp (°F) |
Normal Monthly Precipitation (in.) |
Normal Monthly Snowfall (in.) |
|
|---|---|---|---|---|---|---|
| January | 75 | 41.4 | 21.9 | -18 | 3.05 | 7.4 |
| February | 79 | 45.5 | 24.1 | -14 | 2.77 | 7.1 |
| March | 89 | 55 | 31.8 | -1 | 3.55 | 3.3 |
| April | 93 | 65.9 | 40.2 | 17 | 3.22 | 0.4 |
| May | 97 | 74.6 | 49.9 | 28 | 4.22 | T |
| June | 100 | 82.8 | 59 | 36 | 4.07 | T |
| July | 104 | 87.4 | 64 | 41 | 3.57 | 0 |
| August | 104 | 85.9 | 62.8 | 38 | 3.78 | T |
| September | 99 | 78.9 | 55.6 | 30 | 3.82 | 0 |
| October | 90 | 67.7 | 42.3 | 15 | 3.37 | 0 |
| November | 84 | 56.5 | 33.8 | 9 | 3.31 | 1.2 |
| December | 79 | 45.9 | 26 | -4 | 3.07 | 3.6 |
