West Yellowstone weather in May 2020

  • 13°C maximum daytime temperature in May in West Yellowstone13
    13°C max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in May in West Yellowstone11
    11 days with some rainfall
  • -2°C minimum night-time temperature in May in West Yellowstone-2
    -2°C min night temperature
  • 15 hours of daylight per day in May in West Yellowstone15
    15 hours of daylight per day
  • No heat & humidity in May in West Yellowstone0
    No heat & humidity
  • 55 mm monthly rainfall in May in West Yellowstone55
    55 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in West Yellowstone8
    8 (Very High) UV index

Going to West Yellowstone? Find the best month to visit West Yellowstone based on the weather.

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Expect 13°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in West Yellowstone in May. Check more long-term weather averages for West Yellowstone in May before you book your next holiday to Montana in 2020/2021.

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More about West Yellowstone

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The May weather guide for West Yellowstone, Montana shows long term 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)

Guide to West Yellowstone weather in May

The average maximum daytime temperature in West Yellowstone in May is a cool 13°C (55°F). The average night-time temperature is usually a very cold -2°C (28°F). There are usually 9 hours of bright sunshine each day, which represents 61% of the 15 hours of daylight.

Expect 55mm (2.2 inches) of rainfall across the whole of May with 11 days with some rain falling. Maximum UV levels will be very high (8 UV index) at midday when the skies are clear.

West Yellowstone sunrise & sunset times for May 2020

Browse the sunrise & sunset times for West Yellowstone in May 2020. Select a month to view West Yellowstone sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2020 06:14 20:30
Saturday, 2nd May 2020 06:12 20:31
Sunday, 3rd May 2020 06:11 20:32
Monday, 4th May 2020 06:09 20:34
Tuesday, 5th May 2020 06:08 20:35
Wednesday, 6th May 2020 06:07 20:36
Thursday, 7th May 2020 06:05 20:37
Friday, 8th May 2020 06:04 20:39
Saturday, 9th May 2020 06:03 20:40
Sunday, 10th May 2020 06:01 20:41
Monday, 11th May 2020 06:00 20:42
Tuesday, 12th May 2020 05:59 20:43
Wednesday, 13th May 2020 05:58 20:44
Thursday, 14th May 2020 05:57 20:45
Friday, 15th May 2020 05:56 20:47
Saturday, 16th May 2020 05:55 20:48
Sunday, 17th May 2020 05:54 20:49
Monday, 18th May 2020 05:53 20:50
Tuesday, 19th May 2020 05:52 20:51
Wednesday, 20th May 2020 05:51 20:52
Thursday, 21st May 2020 05:50 20:53
Friday, 22nd May 2020 05:49 20:54
Saturday, 23rd May 2020 05:48 20:55
Sunday, 24th May 2020 05:47 20:56
Monday, 25th May 2020 05:46 20:57
Tuesday, 26th May 2020 05:46 20:58
Wednesday, 27th May 2020 05:45 20:59
Thursday, 28th May 2020 05:44 21:00
Friday, 29th May 2020 05:44 21:01
Saturday, 30th May 2020 05:43 21:02
Sunday, 31st May 2020 05:42 21:02
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