Best time to visit Thermopolis, WY
A month-by-month travel weather guide based on NOAA 30-year climate normals.
The most comfortable travel window in Thermopolis runs from May through June — 2 months of pleasant temperatures and modest rainfall.
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 9h 6m
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 10h 16m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 11h 42m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 13h 13m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 14h 32m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 15h 12m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 14h 57m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 13h 48m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 12h 17m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 10h 46m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 9h 25m
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 8h 46m
Looking for similar climates? See Thermopolis's climate twins. Or jump straight to the full climate profile.