- Kids stay & eat for free at Marriot Bonvoy
- Destinations include Europe, Middle East & Africa
- Valid for up to 2 adults & 2 kids aged up to 12
West Yellowstone weather in October 2025
Expect 11°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in West Yellowstone in October. Check more long-term weather averages for West Yellowstone in October before you book your next holiday to Montana in 2025/2026.
- 1111°C max day temperature
- 7 hours of sunshine per day
- 77 days with some rainfall
- -4-4°C min night temperature
- 1111 hours of daylight per day
- 0No heat & humidity
- 3737 mm of monthly rainfall
- 44 (Moderate) UV index
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Recommended for Montana
The October weather guide for Montana (West Yellowstone) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How warm is it in West Yellowstone in October?
Daytime temperatures usually reach 11°C in West Yellowstone in October, falling to -4°C at night.
How sunny is it in West Yellowstone in October?
There are normally 7 hours of bright sunshine each day in West Yellowstone in October - that's 64% of daylight hours.
Does it rain in West Yellowstone in October?
There are usually 7 days with some rain in West Yellowstone in October and the average monthly rainfall is 37mm.
West Yellowstone October sunrise & sunset times
Browse the sunrise and sunset times for West Yellowstone in October 2025. Select a month to view West Yellowstone sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Wednesday, 1st October 2025 | 06:23 | 18:04 |
Thursday, 16th October 2025 | 06:42 | 17:37 |
Friday, 31st October 2025 | 07:01 | 17:14 |
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