Climate in Spokane: average temperature by month
In Spokane the warmest month is July, with 29.6 °C on average in the afternoon; the coolest is December, with 1.2 °C.
Measured at the weather station Spokane Intl Ap, 9 km away.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 1.3 °C | 0.5 °C – 2.5 °C |
| February | 3.9 °C | 2.6 °C – 5.4 °C |
| March | 9.2 °C | 5.8 °C – 11.5 °C |
| April | 14.4 °C | 11.8 °C – 17.2 °C |
| May | 19.9 °C | 17.4 °C – 22.2 °C |
| June | 23.9 °C | 22.4 °C – 27.1 °C |
| July | 29.6 °C | 27.3 °C – 31.0 °C |
| August | 29.0 °C | 26.8 °C – 30.9 °C |
| September | 23.0 °C | 19.9 °C – 26.6 °C |
| October | 14.9 °C | 9.7 °C – 19.8 °C |
| November | 6.0 °C | 2.8 °C – 9.4 °C |
| December | 1.2 °C | 0.4 °C – 2.7 °C |