Best time to visit Waterloo, IA
A month-by-month travel weather guide based on NOAA 30-year climate normals.
The most comfortable travel window in Waterloo runs from July through October — 4 months of pleasant temperatures and modest rainfall.
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 9h 13m
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 10h 20m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 11h 42m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 13h 10m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 14h 25m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 15h 4m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 14h 49m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 13h 44m
Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.
Daylight ≈ 12h 16m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 10h 49m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 9h 32m
Winter weather. Plan around weather; good for snow sports if applicable.
Daylight ≈ 8h 54m
Looking for similar climates? See Waterloo's climate twins. Or jump straight to the full climate profile.