Late spring · Weather & things to do
Jackson in May
Jackson warms up: highs climb to 59°F (15°C), from 46°F in April, with lows of 36°F (2°C) and about 2.5 in (63 mm) of rain.
Our comfort score puts it mid-table at 75/100, 5th of 12.

- Avg high
- 59°F (15°C)
- Avg low
- 36°F (2°C)
- Rain
- 2.5 in (63 mm)
- Humidity
- 70%
- Cloud cover
- 69%
- Daylight
- ~14 h 30 min
- Comfort score
- 75/100 · Great
What May feels like
Days are mild at around 59°F (15°C): comfortable for walking all day, with a layer for the evening.
Mornings start much cooler: lows average 36°F (2°C), about 13°C (23°F) below the afternoon high.
Showers are part of the month, adding up to about 2.5 in (63 mm).
Plan around May
May sits mid-table; the best months are June – September.
- The year's biggest warm-up: highs jump 7°C (13°F) from April.
- Comfort improves from 54/100 in April to 75/100.
- Our Grand Teton, Jackson & Yellowstone route recommends Mid-Dec – Mar, so May falls outside its suggested window.
What to pack for May
- A warm layer for eveningslows near 36°F
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost picks involve some walking
What to do in Jackson in May
May is good outdoor weather here, so these picks lean toward the open air.
Jackson Hole Mountain Resort
Steep ski area above Teton Village with more than 4,000 feet of vertical and an aerial tram to Rendezvous Mountain.
Why now May scores 75/100 for comfort, good conditions for being outside.
Town Square
Jackson's central park, entered under four arches made of shed elk antlers that are strung with lights in winter.
Why now Highs near 59°F and 2.5 in of monthly rain make this an easy outdoor pick.
Elk Refuge sleigh ride
Horse-drawn sleigh rides out among the wintering elk, leaving from the visitor center on North Cache Street.
Why now One to do outside while the weather is on your side.
National Elk Refuge
Refuge on the edge of Jackson where thousands of elk spend the winter on open, snowy meadows.
National Museum of Wildlife Art
Museum of wildlife painting and sculpture built into a hillside directly across from the Elk Refuge.
Nearby in May
- Grand Teton National Park in May~22 mi · highs 54°F, 2.8 in rain · 3°C (5°F) cooler by day, about as wet
- Yellowstone National Park in May~67 mi · highs 49°F, 3.2 in rain · 5°C (10°F) cooler by day, wetter
- Yellowstone in May~79 mi · highs 49°F, 3.2 in rain · 6°C (10°F) cooler by day, wetter
- Salt Lake City in May~196 mi · highs 70°F, 2.3 in rain · 6°C (11°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~2,418 m to Jackson's ~1,883 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Jackson in May: quick answers
Is May a good time to visit Jackson?
It's middling, scoring 75/100. The best months are June – September, at up to 96. Expect highs of 59°F (15°C) and 2.5 in (63 mm) of rain. Our Grand Teton, Jackson & Yellowstone route recommends Mid-Dec – Mar, so May is outside its suggested window.
How cold is Jackson in May?
Average highs are 59°F (15°C) and average lows 36°F (2°C), making it the 5th-warmest month by daytime highs.
Does it rain a lot in Jackson in May?
Some: about 2.5 in (63 mm) of rain falls across May on average, the 4th-wettest month of the year. The annual total is about 25.8 in (656 mm).
What should I pack for Jackson in May?
Bring a warm layer for evenings (lows near 36°F), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most picks involve some walking).
Planning Jackson in May?
Share this May plan with your group, poll everyone on dates and keep the packing list in one place.



