Missoula in December
3.7out of 10
Not the best time
Cold: highs around 0°C. Frequent rain: about 11 rainy days.
0°CAvg high
-9°CAvg low
11Rainy days (51 mm)
8:21 hDaylight
08:22Sunrise · 16:43 Sunset
Why this score
- Cold: highs around 0°C
- Frequent rain: about 11 rainy days
- Nights fall to about -9°C
What to wear and pack
- Winter coat, hat and scarf
- Rain jacket or compact umbrella
- Gloves for freezing mornings
How reliable is the forecast?
Rain in December varies a lot between years (±3.5 rainy days), so check the forecast closer to your trip. 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 December?
Daytime highs average 0°C and nights about -9°C.
When is the best time to visit Missoula?
The best months are August, July, September.