Best time to visit Glasgow, MT

A month-by-month travel weather guide based on NOAA 30-year climate normals.

The most comfortable travel window in Glasgow runs from May through September — 5 months of pleasant temperatures and modest rainfall.

January Cold
High
24.5°F
Low
4.0°F
Precip
in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 8h 34m

February Cold
High
29.6°F
Low
8.4°F
Precip
in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 9h 57m

March Cold
High
43.8°F
Low
20.9°F
Precip
in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 11h 38m

April Cool
High
58.5°F
Low
33.0°F
Precip
in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 13h 25m

May Good
High
69.6°F
Low
43.7°F
Precip
in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 14h 59m

June Excellent
High
78.1°F
Low
53.2°F
Precip
in

Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.

Daylight ≈ 15h 48m

July Good
High
86.7°F
Low
58.8°F
Precip
in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 15h 29m

August Good
High
85.2°F
Low
56.8°F
Precip
in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 14h 7m

September Good
High
73.2°F
Low
46.1°F
Precip
in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 12h 20m

October Cool
High
57.1°F
Low
33.4°F
Precip
in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 10h 33m

November Cold
High
40.4°F
Low
18.8°F
Precip
in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 8h 57m

December Cold
High
27.9°F
Low
8.3°F
Precip
in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 8h 9m

Looking for similar climates? See Glasgow's climate twins. Or jump straight to the full climate profile.