Best time to visit Herreid, SD

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

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

January Cold
High
24.1°F
Low
3.0°F
Precip
0.37 in

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

Daylight ≈ 8h 51m

February Cold
High
29.0°F
Low
7.5°F
Precip
0.46 in

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

Daylight ≈ 10h 7m

March Cold
High
41.9°F
Low
19.3°F
Precip
0.71 in

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

Daylight ≈ 11h 40m

April Cool
High
57.8°F
Low
31.6°F
Precip
1.32 in

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

Daylight ≈ 13h 19m

May Good
High
69.8°F
Low
44.0°F
Precip
2.77 in

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

Daylight ≈ 14h 44m

June Excellent
High
79.0°F
Low
54.5°F
Precip
3.21 in

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

Daylight ≈ 15h 28m

July Good
High
85.4°F
Low
59.7°F
Precip
2.74 in

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

Daylight ≈ 15h 12m

August Good
High
84.3°F
Low
57.4°F
Precip
2.18 in

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

Daylight ≈ 13h 57m

September Good
High
75.2°F
Low
47.8°F
Precip
1.54 in

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

Daylight ≈ 12h 18m

October Cool
High
58.3°F
Low
34.4°F
Precip
1.58 in

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

Daylight ≈ 10h 40m

November Cold
High
41.3°F
Low
20.6°F
Precip
0.49 in

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

Daylight ≈ 9h 12m

December Cold
High
28.3°F
Low
8.9°F
Precip
0.46 in

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

Daylight ≈ 8h 29m

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