West Yellowstone weather by month

Check out West Yellowstone weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in West Yellowstone (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
21°F maximum daytime temperature in January in West Yellowstone21
28°F maximum daytime temperature in February in West Yellowstone28
34°F maximum daytime temperature in March in West Yellowstone34
45°F maximum daytime temperature in April in West Yellowstone45
55°F maximum daytime temperature in May in West Yellowstone55
66°F maximum daytime temperature in June in West Yellowstone66
75°F maximum daytime temperature in July in West Yellowstone75
73°F maximum daytime temperature in August in West Yellowstone73
64°F maximum daytime temperature in September in West Yellowstone64
52°F maximum daytime temperature in October in West Yellowstone52
34°F maximum daytime temperature in November in West Yellowstone34
23°F maximum daytime temperature in December in West Yellowstone23
Min temperature (night-time)
1°F minimum night-time temperature in January in West Yellowstone1
3°F minimum night-time temperature in February in West Yellowstone3
9°F minimum night-time temperature in March in West Yellowstone9
19°F minimum night-time temperature in April in West Yellowstone19
28°F minimum night-time temperature in May in West Yellowstone28
36°F minimum night-time temperature in June in West Yellowstone36
41°F minimum night-time temperature in July in West Yellowstone41
39°F minimum night-time temperature in August in West Yellowstone39
32°F minimum night-time temperature in September in West Yellowstone32
25°F minimum night-time temperature in October in West Yellowstone25
14°F minimum night-time temperature in November in West Yellowstone14
3°F minimum night-time temperature in December in West Yellowstone3
Heat & Humidity
No heat & humidity in January in West Yellowstone0
No heat & humidity in February in West Yellowstone0
No heat & humidity in March in West Yellowstone0
No heat & humidity in April in West Yellowstone0
No heat & humidity in May in West Yellowstone0
No heat & humidity in June in West Yellowstone0
No heat & humidity in July in West Yellowstone0
No heat & humidity in August in West Yellowstone0
No heat & humidity in September in West Yellowstone0
No heat & humidity in October in West Yellowstone0
No heat & humidity in November in West Yellowstone0
No heat & humidity in December in West Yellowstone0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in West Yellowstone

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in West Yellowstone9
10 hours of daylight per day in February in West Yellowstone10
12 hours of daylight per day in March in West Yellowstone12
14 hours of daylight per day in April in West Yellowstone14
15 hours of daylight per day in May in West Yellowstone15
16 hours of daylight per day in June in West Yellowstone16
15 hours of daylight per day in July in West Yellowstone15
14 hours of daylight per day in August in West Yellowstone14
12 hours of daylight per day in September in West Yellowstone12
11 hours of daylight per day in October in West Yellowstone11
10 hours of daylight per day in November in West Yellowstone10
9 hours of daylight per day in December in West Yellowstone9
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in West Yellowstone1
UV (maximum) index 2 (Low) in February in West Yellowstone2
UV (maximum) index 4 (Moderate) in March in West Yellowstone4
UV (maximum) index 6 (High) in April in West Yellowstone6
UV (maximum) index 8 (Very High) in May in West Yellowstone8
UV (maximum) index 9 (Very High) in June in West Yellowstone9
UV (maximum) index 10 (Very High) in July in West Yellowstone10
UV (maximum) index 8 (Very High) in August in West Yellowstone8
UV (maximum) index 6 (High) in September in West Yellowstone6
UV (maximum) index 4 (Moderate) in October in West Yellowstone4
UV (maximum) index 2 (Low) in November in West Yellowstone2
UV (maximum) index 1 (Low) in December in West Yellowstone1

Rainfall in West Yellowstone

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
10 days with some rainfall in January in West Yellowstone10
9 days with some rainfall in February in West Yellowstone9
11 days with some rainfall in March in West Yellowstone11
10 days with some rainfall in April in West Yellowstone10
11 days with some rainfall in May in West Yellowstone11
10 days with some rainfall in June in West Yellowstone10
8 days with some rainfall in July in West Yellowstone8
8 days with some rainfall in August in West Yellowstone8
8 days with some rainfall in September in West Yellowstone8
7 days with some rainfall in October in West Yellowstone7
9 days with some rainfall in November in West Yellowstone9
10 days with some rainfall in December in West Yellowstone10
Average monthly rainfall (inches)
2.4 inches monthly rainfall in January in West Yellowstone2.4
1.9 inches monthly rainfall in February in West Yellowstone1.9
1.9 inches monthly rainfall in March in West Yellowstone1.9
1.7 inches monthly rainfall in April in West Yellowstone1.7
2.2 inches monthly rainfall in May in West Yellowstone2.2
2.4 inches monthly rainfall in June in West Yellowstone2.4
1.7 inches monthly rainfall in July in West Yellowstone1.7
1.6 inches monthly rainfall in August in West Yellowstone1.6
1.7 inches monthly rainfall in September in West Yellowstone1.7
1.5 inches monthly rainfall in October in West Yellowstone1.5
2.1 inches monthly rainfall in November in West Yellowstone2.1
2.4 inches monthly rainfall in December in West Yellowstone2.4

More about West Yellowstone

West Yellowstone by month

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

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The climate guide for Montana (West Yellowstone) shows long term monthly 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.

What's the climate like in West Yellowstone?

West Yellowstone has a cold climate with cool summers and some rainfall in all months.

Metric (°C)  |  Imperial (°F)

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More about the USA

Compare West Yellowstone with the USA

Below the West Yellowstone chart shows average maximum daytime temperature for West Yellowstone, Montana, USA and the USA (Washington).

Maximum daytime temperature (°F)

West Yellowstone, Montana, USA
USA (Washington)
41
45
34
55
45
66
55
75
66
84
75
88
73
86
64
79
52
68
34
57
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
21
28
23

Metric (°C)  |  Imperial (°F)

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