West Yellowstone weather in October
Temperature, rain and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Poor
Best time to visit: June – September
What is the weather like in West Yellowstone in October?
In October, West Yellowstone is cold: daytime highs average 9 °C, and nights often drop below freezing (−2 °C). Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 60 mm in total. Snow falls on about 6 days. All in all, October is not an ideal month for a holiday in West Yellowstone.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 90 | 28 | 16 |
| Day | 18° | 9° | 0° |
| Night | 5° | −2° | −10° |
| Sun | 8 h | 5 h | 4 h |
| Rain days | 7 | 10 | 12 |
More details for October
- Daylight
- 11 h 4 min07:38 – 18:42
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 53 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 6 days1 cm or more of fresh snowAll months
- Time zone
- UTC−6America/Denver
How the score comes together
- Temperatureweight 50 %6 %
- Sunshineweight 20 %38 %
- Few rainy daysweight 30 %59 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in October
- Sunscreen
- Warm jacket
- Hat, scarf & gloves
- Rain jacket or umbrella
West Yellowstone in October: quick answers
Is West Yellowstone hot in October?
No. In October, West Yellowstone is cold: daytime highs average 9 °C and nights drop to about −2 °C.
Does it rain much in West Yellowstone in October?
Rain is frequent, with about 10 rainy days and 60 mm in total.
West Yellowstone month by month
The whole year in West YellowstoneAll destinations: USAWhere to go in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences