West Yellowstone climate guide

Temperature in West Yellowstone (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
-6°C maximum daytime temperature in January in West Yellowstone-6
-2°C maximum daytime temperature in February in West Yellowstone-2
1°C maximum daytime temperature in March in West Yellowstone1
7°C maximum daytime temperature in April in West Yellowstone7
13°C maximum daytime temperature in May in West Yellowstone13
19°C maximum daytime temperature in June in West Yellowstone19
24°C maximum daytime temperature in July in West Yellowstone24
23°C maximum daytime temperature in August in West Yellowstone23
18°C maximum daytime temperature in September in West Yellowstone18
11°C maximum daytime temperature in October in West Yellowstone11
1°C maximum daytime temperature in November in West Yellowstone1
-5°C maximum daytime temperature in December in West Yellowstone-5
Min temperature (night-time)
-17°C minimum night-time temperature in January in West Yellowstone-17
-16°C minimum night-time temperature in February in West Yellowstone-16
-13°C minimum night-time temperature in March in West Yellowstone-13
-7°C minimum night-time temperature in April in West Yellowstone-7
-2°C minimum night-time temperature in May in West Yellowstone-2
2°C minimum night-time temperature in June in West Yellowstone2
5°C minimum night-time temperature in July in West Yellowstone5
4°C minimum night-time temperature in August in West Yellowstone4
0°C minimum night-time temperature in September in West Yellowstone0
-4°C minimum night-time temperature in October in West Yellowstone-4
-10°C minimum night-time temperature in November in West Yellowstone-10
-16°C minimum night-time temperature in December in West Yellowstone-16

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

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 (mm)
62 mm monthly rainfall in January in West Yellowstone62
47 mm monthly rainfall in February in West Yellowstone47
49 mm monthly rainfall in March in West Yellowstone49
42 mm monthly rainfall in April in West Yellowstone42
55 mm monthly rainfall in May in West Yellowstone55
62 mm monthly rainfall in June in West Yellowstone62
42 mm monthly rainfall in July in West Yellowstone42
41 mm monthly rainfall in August in West Yellowstone41
42 mm monthly rainfall in September in West Yellowstone42
37 mm monthly rainfall in October in West Yellowstone37
54 mm monthly rainfall in November in West Yellowstone54
62 mm monthly rainfall in December in West Yellowstone62

More climate for West Yellowstone

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

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The climate guide for West Yellowstone, Montana 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.

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

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