Best time to visit Nisland, SD

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

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

January Cold
High
31.8°F
Low
9.8°F
Precip
0.36 in

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

Daylight ≈ 8h 59m

February Cold
High
35.1°F
Low
12.6°F
Precip
0.50 in

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

Daylight ≈ 10h 12m

March Cool
High
45.5°F
Low
21.7°F
Precip
0.82 in

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

Daylight ≈ 11h 41m

April Cool
High
56.1°F
Low
31.5°F
Precip
1.81 in

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

Daylight ≈ 13h 15m

May Good
High
65.9°F
Low
42.6°F
Precip
3.16 in

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

Daylight ≈ 14h 37m

June Excellent
High
76.9°F
Low
52.8°F
Precip
3.32 in

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

Daylight ≈ 15h 19m

July Good
High
85.8°F
Low
59.2°F
Precip
2.07 in

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

Daylight ≈ 15h 4m

August Good
High
85.1°F
Low
56.7°F
Precip
1.30 in

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

Daylight ≈ 13h 52m

September Good
High
75.4°F
Low
46.5°F
Precip
0.99 in

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

Daylight ≈ 12h 18m

October Cool
High
59.9°F
Low
33.4°F
Precip
1.38 in

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

Daylight ≈ 10h 43m

November Cool
High
45.1°F
Low
20.9°F
Precip
0.53 in

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

Daylight ≈ 9h 19m

December Cold
High
34.2°F
Low
11.9°F
Precip
0.41 in

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

Daylight ≈ 8h 38m

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