Best time to visit Lewistown, MT
A month-by-month travel weather guide based on NOAA 30-year climate normals.
The most comfortable travel window in Lewistown 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 42m
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 10h 2m
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 11h 39m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 13h 22m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 14h 52m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 15h 38m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 15h 20m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 14h 2m
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 36m
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 9h 5m
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 8h 19m
Looking for similar climates? See Lewistown's climate twins. Or jump straight to the full climate profile.