Best time to visit Longmont, CO
A month-by-month travel weather guide based on NOAA 30-year climate normals.
The most comfortable travel window in Longmont 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 27m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 10h 28m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 11h 44m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 13h 4m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 14h 14m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 14h 49m
Summer heat. Avoid midday exertion; aim for morning and evening activities.
Daylight ≈ 14h 36m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 13h 36m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 12h 15m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 10h 54m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 9h 44m
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 9h 9m
Looking for similar climates? See Longmont's climate twins. Or jump straight to the full climate profile.