Missoula in August
8.6out of 10
Yes, a good time to go
Warm and comfortable: highs around 29°C. Some rain: about 4 rainy days.
29°CAvg high
11°CAvg low
4Rainy days (19 mm)
14:01 hDaylight
06:39Sunrise · 20:41 Sunset
Why this score
- Warm and comfortable: highs around 29°C
- Some rain: about 4 rainy days
What to wear and pack
- T-shirts and light layers
- A light jacket for cooler evenings
- Shorts or a light skirt
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rainfall in August is fairly consistent from year to year (2.2 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 1°C | -8°C | 45 mm | 11 | – | – | 3.7 |
| February | 3°C | -7°C | 41 mm | 10 | – | – | 4.1 |
| March | 8°C | -3°C | 44 mm | 10 | – | – | 5.1 |
| April | 12°C | 0°C | 53 mm | 11 | – | – | 5.9 |
| May | 18°C | 4°C | 56 mm | 11 | – | – | 7.0 |
| June | 22°C | 8°C | 57 mm | 10 | – | – | 7.7 |
| July | 29°C | 12°C | 19 mm | 5 | – | – | 8.5 |
| August | 29°C | 11°C | 19 mm | 4 | – | – | 8.6 |
| September | 23°C | 6°C | 30 mm | 5 | – | – | 8.4 |
| October | 14°C | 1°C | 43 mm | 9 | – | – | 6.5 |
| November | 5°C | -4°C | 50 mm | 10 | – | – | 4.6 |
| December | 0°C | -9°C | 51 mm | 11 | – | – | 3.7 |
Frequently asked questions
How hot is Missoula in August?
Daytime highs average 29°C and nights about 11°C.
When is the best time to visit Missoula?
The best months are August, July, September.