West Yellowstone weather by month & the best time to visit
🇺🇸 United States · alpine / mountain town · continental climate
The best time to visit West Yellowstone is July — its sunniest month (Sunshine Score 88/100), with August and September close behind. West Yellowstone averages about 2,635 hours of sunshine a year. Daytime highs around 26°C / 79°F and roughly 36 mm of rain in July.
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- Sun hours / year
- 2,635
- Sunniest month
- July
- Peak score
- 88/100
- Rain / year
- 778 mm
- Snow / year
- ≈4.7 m
- Midday UV at peak
- 9 (very high)
- Population
- 1k
- Elevation
- 2,022 m
When is the best time to visit West Yellowstone?
For sunshine, the best time to visit West Yellowstone is July, then August and September. The dullest month is January (0/100, 76 mm of rain). The full month-by-month picture is in the table below.
How sunny is West Yellowstone?
West Yellowstone gets a lot of sun: around 2,635 hours a year. 88 Sunshine Score points separate July (88) from January (0), so the month you pick matters. It ranks #161 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 778 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 | -5° / 23°F | -16° / 3°F | 76 mm | 1 |
| February | 0 | -4° / 25°F | -15° / 5°F | 68 mm | 2 |
| March | 0 | 0° / 32°F | -10° / 14°F | 71 mm | 3 |
| April | 0 | 6° / 43°F | -5° / 23°F | 77 mm | 5 |
| May | 33 | 13° / 55°F | 1° / 34°F | 77 mm | 7 |
| June | 75 | 19° / 66°F | 5° / 41°F | 68 mm | 8 |
| July | 88 | 26° / 79°F | 10° / 50°F | 36 mm | 9 |
| August | 88 | 25° / 77°F | 9° / 48°F | 37 mm | 8 |
| September | 79 | 19° / 66°F | 4° / 39°F | 48 mm | 6 |
| October | 7 | 9° / 48°F | -3° / 27°F | 63 mm | 3 |
| November | 0 | 1° / 34°F | -10° / 14°F | 71 mm | 1 |
| December | 0 | -5° / 23°F | -16° / 3°F | 86 mm | 1 |
See West Yellowstone on the interactive sunshine globe →
Nearby places for sunshine
- Bozeman United States · 121 km · best in Jul · 2,641 h sun/yr
- Jackson Hole United States · 124 km · best in Jul · 2,836 h sun/yr
- Idaho Falls United States · 151 km · best in Jul · 2,995 h sun/yr
- Billings United States · 237 km · best in Jul · 2,701 h sun/yr
- Great Falls United States · 311 km · best in Jul · 2,659 h sun/yr
- Missoula United States · 338 km · best in Jul · 2,308 h sun/yr
Nearest destinations
- Cody United States · 167 km · 2,797 h sun/yr · best in Jul
- Butte United States · 177 km · 2,777 h sun/yr · best in Jul
- Salmon United States · 223 km · 2,775 h sun/yr · best in Jul
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