West Yellowstone, MT
Climate overview — based on NOAA 1991-2020 normals from West Yellowstone, MT US.
Year-round temperatures (°F)
Avg high
Avg low
Best time to visit West Yellowstone
Full guide →Climate change signal
All-time records →170 of 366 (46.4%) of West Yellowstone's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1990s | 15 | |
| 2000s | 120 | |
| 2010s | 135 | |
| 2020s | 96 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | °F | °F | °F | 2.50 in | — | 12 |
| February | °F | °F | °F | 2.04 in | — | 12 |
| March | °F | °F | °F | 2.16 in | — | 11 |
| April | °F | °F | °F | 2.44 in | — | 10 |
| May | °F | °F | °F | 2.72 in | — | 10 |
| June | °F | °F | °F | 2.23 in | — | 8 |
| July | °F | °F | °F | 1.11 in | — | 5 |
| August | °F | °F | °F | 1.09 in | — | 5 |
| September | °F | °F | °F | 1.42 in | — | 5 |
| October | °F | °F | °F | 1.96 in | — | 8 |
| November | °F | °F | °F | 2.56 in | — | 10 |
| December | °F | °F | °F | 3.00 in | — | 12 |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when