Missoula weather by month & the best time to visit
United States · alpine / mountain town · continental climate
The best time to visit Missoula is July — its sunniest month (Sunshine Score 88/100), with August and September close behind. Missoula averages about 2,308 hours of sunshine a year. Daytime highs around 29°C / 84°F and roughly 24 mm of rain in July.
When is the best time to visit Missoula?
For sunshine, the best time to visit Missoula is July, then August and September. The dullest month is January (0/100, 79 mm of rain). The full month-by-month picture is in the table below.
How sunny is Missoula?
Missoula gets a moderate 2,308 hours of sunshine a year. 88 Sunshine Score points separate July (88) from January (0), so the month you pick matters. It ranks #274 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 762 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 1° / 34°F | -8° / 18°F | 79 mm | 1 |
| February | 0 | 2° / 36°F | -8° / 18°F | 68 mm | 1 |
| March | 0 | 6° / 43°F | -4° / 25°F | 78 mm | 3 |
| April | 20 | 11° / 52°F | 0° / 32°F | 69 mm | 4 |
| May | 66 | 18° / 64°F | 5° / 41°F | 74 mm | 5 |
| June | 78 | 22° / 72°F | 9° / 48°F | 77 mm | 7 |
| July | 88 | 29° / 84°F | 14° / 57°F | 24 mm | 8 |
| August | 87 | 29° / 84°F | 13° / 55°F | 31 mm | 6 |
| September | 85 | 23° / 73°F | 8° / 46°F | 38 mm | 5 |
| October | 34 | 13° / 55°F | 2° / 36°F | 64 mm | 2 |
| November | 0 | 5° / 41°F | -4° / 25°F | 78 mm | 1 |
| December | 0 | 0° / 32°F | -9° / 16°F | 82 mm | 0 |
Nearest destinations
Head-to-head
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Missoula: questions and answers
What kind of destination is Missoula?
Missoula is a alpine / mountain town in United States at 973 m elevation with a continental climate.
How many hours of sunshine does Missoula get a year?
Missoula gets about 2,308 hours of sunshine a year, at its best around July.
When is the best time to visit Missoula?
The sunniest time to visit Missoula is July, when the Sunshine Score peaks at 88/100 (with August and September close behind). Expect daytime highs around 29°C / 84°F.
What is the least sunny month in Missoula?
January is the least sunny month in Missoula, scoring 0/100 with about 79 mm of rain.
How strong is the sun in Missoula?
The typical midday UV index in Missoula peaks around 8 (very high) in July, easing to about 0 (low) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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