Best time to visit Big Sandy, MT

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

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

January Cold
High
30.8°F
Low
9.8°F
Precip
0.45 in

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

Daylight ≈ 8h 34m

February Cold
High
35.2°F
Low
13.4°F
Precip
0.39 in

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

Daylight ≈ 9h 58m

March Cool
High
46.0°F
Low
22.0°F
Precip
0.47 in

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

Daylight ≈ 11h 38m

April Cool
High
58.4°F
Low
32.6°F
Precip
1.27 in

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

Daylight ≈ 13h 25m

May Good
High
67.9°F
Low
41.2°F
Precip
2.07 in

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

Daylight ≈ 14h 59m

June Good
High
75.9°F
Low
48.9°F
Precip
3.12 in

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

Daylight ≈ 15h 48m

July Good
High
85.9°F
Low
54.6°F
Precip
1.40 in

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

Daylight ≈ 15h 29m

August Good
High
84.8°F
Low
53.4°F
Precip
0.99 in

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

Daylight ≈ 14h 7m

September Good
High
73.7°F
Low
44.2°F
Precip
1.16 in

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

Daylight ≈ 12h 20m

October Cool
High
58.7°F
Low
32.5°F
Precip
0.93 in

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

Daylight ≈ 10h 33m

November Cold
High
43.6°F
Low
21.5°F
Precip
0.60 in

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

Daylight ≈ 8h 57m

December Cold
High
33.5°F
Low
13.0°F
Precip
0.43 in

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

Daylight ≈ 8h 9m

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