Historical weather statistics for Washington, United States
Typical weather in Washington
July is typically the warmest month, with median daily highs near 31.3 °C and lows near 21.9 °C. January is typically the coolest month, with median daily highs near 5.8 °C and lows near -2.1 °C. Median precipitation probability is highest in June, at about 39.7 %. Median relative humidity reaches its annual high in December, at about 92.4 %. These are historical climate statistics, not a day-to-day forecast.
Monthly values are medians of historical daily weather statistics. They describe typical conditions and are not a forecast.
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| Month | Daily max temperature (°C) | Daily min temperature (°C) | Wind chance (%) | Humidity (%) | Precipitation chance (%) | Snow depth (cm) |
|---|---|---|---|---|---|---|
| January | 5.8 °C | -2.1 °C | 4.5 % | 90.9 % | 28.3 % | 0.3 cm |
| February | 7.3 °C | -1.6 °C | 9.1 % | 90.4 % | 29.7 % | 0.4 cm |
| March | 12.6 °C | 1.8 °C | 6.4 % | 89.5 % | 29.7 % | 0.1 cm |
| April | 19.3 °C | 7.6 °C | 3.2 % | 89.3 % | 33.3 % | 0.0 cm |
| May | 23.2 °C | 12.5 °C | 0.0 % | 90.9 % | 33.7 % | 0.0 cm |
| June | 28.6 °C | 18.7 °C | 0.0 % | 90.4 % | 39.7 % | 0.0 cm |
| July | 31.3 °C | 21.9 °C | 0.0 % | 90.5 % | 38.0 % | 0.0 cm |
| August | 29.8 °C | 20.8 °C | 0.0 % | 91.3 % | 33.7 % | 0.0 cm |
| September | 26.3 °C | 17.5 °C | 0.0 % | 91.3 % | 27.7 % | 0.0 cm |
| October | 20.1 °C | 11.2 °C | 0.0 % | 91.8 % | 23.3 % | 0.0 cm |
| November | 13.6 °C | 4.3 °C | 2.3 % | 91.7 % | 25.3 % | 0.0 cm |
| December | 8.3 °C | -0.1 °C | 4.1 % | 92.4 % | 29.0 % | 0.0 cm |