Which is the hottest month in West Yellowstone?

The hottest time of year in West Yellowstone is normally July. Expect maximum daytime temperatures to reach 28°C with low heat and humidity.

Which month has the most rain in West Yellowstone?

In terms of rainfall, June is usually the wettest month in West Yellowstone with 55mm on average. There are normally 10 days in June with some rain.

When is it sunniest in West Yellowstone?

The sunniest time of year in West Yellowstone is normally July with bright sunshine on average for 77% of daylight hours; that's 12 hours of sunshine per day.

Best time to visit West Yellowstone

Q: When is the best time to visit West Yellowstone?

The best times to visit West Yellowstone, Montana are in July and August Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 8 hours or more.

The best times to visit West Yellowstone, Montana are in July and August based on our default weather conditions. Update your weather preferences to see which months best match.

West Yellowstone by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit West Yellowstone?

The best times to visit West Yellowstone, Montana are in July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 8 hours or more [remove]

Change the criteria to reflect your weather preferences.

1.5
Jan
2
Feb
2.5
Mar
2.5
Apr
2.5
May
4
Jun
5
Jul
5
Aug
3.5
Sep
2.5
Oct
1.5
Nov
1.5
Dec

Change criteria

Max Day Temperature (°C)

-6
Jan
-2
Feb
1
Mar
7
Apr
13
May
19
Jun
24
Jul
23
Aug
18
Sep
11
Oct
1
Nov
-5
Dec

Hours of Sunshine (daily)

5
Jan
6
Feb
8
Mar
8
Apr
9
May
10
Jun
11
Jul
10
Aug
9
Sep
7
Oct
4
Nov
4
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Montana (West Yellowstone) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)