Wyoming weather in May
The state broadly agrees with itself in May: afternoons run 60° in Jackson Hole and 60° in Yellowstone, with everywhere else in between.
Based on 2 weather stations. Two stations, both in the mountainous northwest corner where visitors go — the high plains that make up most of Wyoming aren’t measured here.
Jackson Hole & the Tetons
Highs near 60°, nights around 32°, and 1.8 in of rain in a typical May.
| Place | Highs / lows | Wet days | Snow | The short version |
|---|---|---|---|---|
| Jackson Hole | 60° / 32° | 6 | 0.6 in | Mud, meltwater, and the first bears back on the flats. |
Yellowstone Country
Highs near 60°, nights around 35°, and 1.8 in of rain in a typical May.
| Place | Highs / lows | Wet days | Snow | The short version |
|---|---|---|---|---|
| Yellowstone | 60° / 35° | 6 | 1.7 in | Calves and cubs everywhere, and the high country still buried. |
Each place above has its own page for the full story — what the month feels like, what to pack, and whether the timing is right.