Climate in Missoula: average temperature by month
In Missoula the warmest month is July, with 28.9 °C on average in the afternoon; the coolest is December, with 2.2 °C.
The average of the weather stations Boulder (160 km) and Spokane Intl Ap (279 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 2.3 °C | 1.0 °C – 3.4 °C |
| February | 3.7 °C | 3.4 °C – 4.7 °C |
| March | 8.6 °C | 5.2 °C – 10.9 °C |
| April | 13.3 °C | 11.1 °C – 15.9 °C |
| May | 18.5 °C | 16.0 °C – 21.3 °C |
| June | 23.3 °C | 21.5 °C – 26.1 °C |
| July | 28.9 °C | 26.4 °C – 30.2 °C |
| August | 28.2 °C | 26.5 °C – 29.8 °C |
| September | 22.6 °C | 19.4 °C – 26.3 °C |
| October | 15.0 °C | 10.4 °C – 19.2 °C |
| November | 6.8 °C | 4.0 °C – 10.1 °C |
| December | 2.2 °C | 1.0 °C – 3.8 °C |