-7 to 23°C
temperature
2683 hours
sunshine per day
504 mm
rain
109 days
dry
102 days
rain
154 days
snow

Climate of West Yellowstone

West Yellowstone has a continental climate. It is warm in the summer and cold in the winter. The average annual temperature for West Yellowstone is 6° degrees and there is about 504 mm of rain in a year. It is dry for 119 days a year with an average humidity of 77% and an UV-index of 2.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between -7°C and 23°C
  • Night:the average nighttime temperature is between -15°C and 6°C
  • Rain: it rains 102 days and there is a total of approximately 504 mm rainfall
  • Snow: it snows an average of 154 days per year
  • Sun hours: throughout the year there are 2683 sun hours
Maximum temperature: between -7°C and 23°C
Warmest month: 23°C in July
Coldest month: -7°C in December
Night temperature: between -15°C and 6°C
Dry days: 109 days
Days with rain: 102 days
Days with snow: 154 days
Total rain sum: 504 mm
Hours of sunshine: 2683 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for West Yellowstone.

Precipitation graph

This graph shows the average amount of rainfall per month for West Yellowstone.

Climate table of West Yellowstone

In this climate table you can see at a glance what the average weather per month is for West Yellowstone. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for West Yellowstone might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) -6 -5 -1 3 10 17 23 22 17 7 -1 -7
Night temp. (°C) -15 -14 -10 -7 -2 3 6 6 3 -3 -10 -15
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 41 57 48 58 55 41 21 32 32 34 41 44
Days with rain 2 3 6 9 16 15 11 12 10 9 5 4
Days with snow 22 23 24 20 9 2 - - 2 10 19 23
Dry days 7 2 1 1 6 13 20 19 18 12 6 4
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 3 3 5 7 10 11 12 12 10 6 5 3
Wind force (Bft) 2 2 2 2 2 2 2 2 2 2 2 2
UV-index 1 1 1 1 3 4 5 3 2 1 1 1

Best time to visit West Yellowstone

The best time to visit West Yellowstone in the state of Montana is in July and August. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in West Yellowstone is 23°C in July and the lowest is -7°C in December.

Climate of West Yellowstone by month

What is the average climate in a given month for West Yellowstone? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

West Yellowstone weather experiences

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