Best time to visit Boulder, MT
A month-by-month travel weather guide based on NOAA 30-year climate normals.
The most comfortable travel window in Boulder runs from June through September — 4 months of pleasant temperatures and modest rainfall.
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 8h 48m
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 10h 6m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 11h 40m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 13h 20m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 14h 46m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 15h 31m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 15h 14m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 13h 59m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 12h 19m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 10h 39m
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 9h 10m
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 8h 26m
Looking for similar climates? See Boulder's climate twins. Or jump straight to the full climate profile.