Best time to visit Delmont, SD

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

The most comfortable travel window in Delmont runs from May through June — 2 months of pleasant temperatures and modest rainfall.

January Cold
High
31.8°F
Low
10.0°F
Precip
0.55 in

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

Daylight ≈ 9h 8m

February Cold
High
37.1°F
Low
14.3°F
Precip
0.86 in

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

Daylight ≈ 10h 17m

March Cool
High
49.6°F
Low
24.3°F
Precip
1.24 in

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

Daylight ≈ 11h 42m

April Cool
High
62.3°F
Low
35.2°F
Precip
3.26 in

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

Daylight ≈ 13h 12m

May Good
High
72.8°F
Low
46.4°F
Precip
4.03 in

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

Daylight ≈ 14h 29m

June Good
High
82.4°F
Low
57.7°F
Precip
3.74 in

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

Daylight ≈ 15h 9m

July Hot
High
88.0°F
Low
62.1°F
Precip
2.67 in

Summer heat. Avoid midday exertion; aim for morning and evening activities.

Daylight ≈ 14h 54m

August Good
High
86.3°F
Low
60.2°F
Precip
2.84 in

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

Daylight ≈ 13h 47m

September Excellent
High
79.2°F
Low
51.5°F
Precip
2.42 in

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

Daylight ≈ 12h 17m

October Cool
High
64.3°F
Low
37.8°F
Precip
2.07 in

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

Daylight ≈ 10h 47m

November Cool
High
47.7°F
Low
24.5°F
Precip
1.02 in

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

Daylight ≈ 9h 27m

December Cold
High
34.6°F
Low
14.4°F
Precip
0.72 in

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

Daylight ≈ 8h 48m

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