Best year time to visit West Yellowstone

General weather information about West Yellowstone

Average annual temperature is 1.9 °C

Absolute maximum temperature: 31.0 °C

Absolute minimum temperature: -30.0 °C

Number of sunny days: 163 days

Number of rainy days: 119 days

Number of snow days: 83 days

* Weather data for West Yellowstone United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	3.2	1.7	4.3	17.2	20.9	23.7	31.0	29.7	23.6	18.0	8.9	5.2
Average daytime temperature (°C)	-4.9	-3.8	-1.7	5.0	14.5	18.2	26.0	23.6	18.4	10.2	2.6	-1.0
Average temperature (°C)	-9.5	-9.7	-6.9	-1.6	6.2	10.6	16.9	15.4	10.1	3.0	-3.4	-8.7
Average night temperature (°C)	-12.9	-13.8	-10.9	-6.9	-1.3	3.3	7.2	8.1	3.0	-2.5	-7.4	-14.1
Absolute minimum temperature (°C)	-30.0	-20.8	-19.0	-13.4	-6.0	-2.3	1.7	3.4	-3.2	-18.5	-18.6	-28.2

The best time to visit West Yellowstone during the most sunny months:

Months with the longest average daylight duration in West Yellowstone:

The largest precipitation sum in West Yellowstone is at

March — 74(mm)

June — 74(mm)

August — 59(mm)

October — 62(mm)

When is the best time to visit West Yellowstone?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit West Yellowstone.

What is the weather like in West Yellowstone?

See average temperature, rainfall and daylight hours for West Yellowstone by month in the table above.

How many sunny days does West Yellowstone have?

The monthly weather statistics above show sunshine and rainfall patterns for West Yellowstone throughout the year.