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Get the Spokane WA weather forecast without ads, cookies, or tracking. Open-Meteo data, 10-day forecast, hourly conditions, and radar — all free. click here to hide this
July is the hottest month in Spokane WA, with an average high of 84°F / 29°C; December is the coldest (34°F / 1°C). December is the wettest month, averaging 2.3 in / 59 mm of precipitation.
| Month | High °F / °C | Low °F / °C | Precip in / mm | Wet days |
|---|---|---|---|---|
| Jan | 35 / 1 | 24 / -4 | 2.0 / 50 | 10 |
| Feb | 40 / 4 | 26 / -4 | 1.5 / 37 | 8 |
| Mar | 49 / 9 | 31 / -1 | 1.9 / 47 | 9 |
| Apr | 57 / 14 | 36 / 2 | 1.3 / 32 | 7 |
| May | 67 / 20 | 44 / 7 | 1.5 / 39 | 7 |
| Jun | 74 / 23 | 50 / 10 | 1.2 / 30 | 5 |
| Jul | 84 / 29 | 57 / 14 | 0.4 / 11 | 2 |
| Aug | 84 / 29 | 56 / 13 | 0.5 / 12 | 2 |
| Sep | 74 / 23 | 48 / 9 | 0.6 / 15 | 3 |
| Oct | 58 / 14 | 37 / 3 | 1.4 / 35 | 7 |
| Nov | 42 / 6 | 29 / -1 | 2.0 / 52 | 10 |
| Dec | 34 / 1 | 24 / -5 | 2.3 / 59 | 10 |
Extremes since 1889: highest 109°F / 43°C (June 29, 2021), lowest -25°F / -32°C (December 30, 1968).
Daylight lasts about 15.8 hours in June and 8.2 hours in December.
Data: Meteostat — Spokane International Airport, 1991–2020 averages.
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