Best time to visit Clayton, IA

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

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

January Cold
High
27.9°F
Low
10.3°F
Precip
1.33 in

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

Daylight ≈ 9h 10m

February Cold
High
32.8°F
Low
14.0°F
Precip
1.23 in

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

Daylight ≈ 10h 19m

March Cool
High
45.2°F
Low
26.7°F
Precip
1.98 in

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

Daylight ≈ 11h 42m

April Good
High
59.3°F
Low
38.7°F
Precip
3.65 in

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

Daylight ≈ 13h 11m

May Good
High
71.0°F
Low
50.0°F
Precip
4.58 in

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

Daylight ≈ 14h 27m

June Wet
High
80.4°F
Low
60.1°F
Precip
5.70 in

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

Daylight ≈ 15h 7m

July Good
High
83.8°F
Low
64.1°F
Precip
4.85 in

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

Daylight ≈ 14h 52m

August Good
High
81.6°F
Low
61.8°F
Precip
3.61 in

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

Daylight ≈ 13h 45m

September Excellent
High
74.7°F
Low
53.7°F
Precip
3.75 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
61.4°F
Low
41.5°F
Precip
2.81 in

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

Daylight ≈ 10h 48m

November Cool
High
46.0°F
Low
29.1°F
Precip
2.13 in

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

Daylight ≈ 9h 29m

December Cold
High
33.0°F
Low
17.6°F
Precip
1.66 in

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

Daylight ≈ 8h 51m

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