Best time to visit St. Donatus, IA

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

The most comfortable travel window in St. Donatus runs from July through October — 4 months of pleasant temperatures and modest rainfall.

January Cold
High
26.9°F
Low
10.0°F
Precip
1.23 in

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

Daylight ≈ 9h 14m

February Cold
High
31.4°F
Low
13.6°F
Precip
1.53 in

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

Daylight ≈ 10h 20m

March Cold
High
44.5°F
Low
24.4°F
Precip
2.25 in

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

Daylight ≈ 11h 42m

April Cool
High
57.4°F
Low
36.2°F
Precip
3.89 in

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

Daylight ≈ 13h 10m

May Good
High
68.9°F
Low
47.4°F
Precip
4.38 in

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

Daylight ≈ 14h 25m

June Wet
High
78.2°F
Low
58.3°F
Precip
6.02 in

Frequent rain. Bring waterproof gear; outdoor plans need flexibility.

Daylight ≈ 15h 3m

July Good
High
82.0°F
Low
61.7°F
Precip
4.93 in

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

Daylight ≈ 14h 49m

August Good
High
80.3°F
Low
59.5°F
Precip
4.19 in

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

Daylight ≈ 13h 43m

September Excellent
High
74.1°F
Low
50.5°F
Precip
3.86 in

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

Daylight ≈ 12h 16m

October Good
High
60.9°F
Low
39.3°F
Precip
3.02 in

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

Daylight ≈ 10h 49m

November Cool
High
45.6°F
Low
27.7°F
Precip
2.48 in

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

Daylight ≈ 9h 32m

December Cold
High
32.6°F
Low
16.8°F
Precip
1.82 in

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

Daylight ≈ 8h 55m

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