Climate guide for Jackson Hole, United States

Jackson Hole in May

Weather, crowds & best time to visit

How to read the score (0–10)
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May · United States

Best time to visit Jackson Hole in May Weather, crowds & prices

Weather in Jackson Hole in May

Average temperature 5°C, 59 mm of rain, about 26 days with 6+ hours of sunshine and 72% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

1.9/10

Ranked #7 of 12 months

Full year for Jackson Hole
Avg temp
5°C
Rainfall
59 mm
Humidity
72%
Days with 6h+ sun
26
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

May in Jackson Hole scores 1.9/10 for snow and ski travel - ranked #7 of 12. Expect around 5°C, 59 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.

Tetons rising over wooden-boardwalk town shine through December-March for snow, July-September for trails.

May in Jackson Hole — the hardest end of the year

May averages 5°C (40°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 59 mm, so plan one flexible day in three; you still get about 26 days with 6+ hours of sunshine and 14.5 hours of daylight.

It scores 1.9/10 here, 7th of 12 months, against 9.7/10 in the destination's best month.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, goggles and a helmet if you are not renting.

Plan for low-season pricing, with crowds are light for this destination.

Flexible dates? April scores 7.8 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Jackson Hole in May?
In May, Jackson Hole averages 5°C, 59 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 1.9/10.
Is May a good time to visit Jackson Hole?
May earns a 1.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Jackson Hole in May?
Expect about 59 mm of rain in May. Average humidity is 72% and there are about 26 days with 6+ hours of sunshine.

Curated in Jackson Hole

Tickets & experiences

Things to do in Jackson Hole

Jackson Hole, United States. Live activities and tours from GetYourGuide, matched to this destination.