Best time to visit Harrold, SD

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

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

January Cold
High
27.1°F
Low
3.3°F
Precip
0.49 in

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

Daylight ≈ 8h 60m

February Cold
High
32.3°F
Low
7.5°F
Precip
0.44 in

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

Daylight ≈ 10h 13m

March Cold
High
44.4°F
Low
18.6°F
Precip
0.82 in

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

Daylight ≈ 11h 41m

April Cool
High
57.6°F
Low
28.7°F
Precip
1.93 in

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

Daylight ≈ 13h 15m

May Good
High
68.9°F
Low
41.1°F
Precip
2.73 in

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

Daylight ≈ 14h 36m

June Excellent
High
79.2°F
Low
52.6°F
Precip
3.30 in

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

Daylight ≈ 15h 18m

July Good
High
86.9°F
Low
58.3°F
Precip
2.68 in

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

Daylight ≈ 15h 3m

August Good
High
85.5°F
Low
55.9°F
Precip
1.93 in

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

Daylight ≈ 13h 52m

September Good
High
77.5°F
Low
45.6°F
Precip
1.80 in

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

Daylight ≈ 12h 17m

October Cool
High
61.0°F
Low
30.9°F
Precip
1.44 in

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

Daylight ≈ 10h 43m

November Cold
High
44.4°F
Low
17.9°F
Precip
0.54 in

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

Daylight ≈ 9h 20m

December Cold
High
31.0°F
Low
7.2°F
Precip
0.54 in

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

Daylight ≈ 8h 39m

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