Best time to visit Greenfield, IA

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

The most comfortable travel window in Greenfield runs from June through October — 5 months of pleasant temperatures and modest rainfall.

January Cold
High
29.6°F
Low
10.8°F
Precip
0.86 in

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

Daylight ≈ 9h 20m

February Cold
High
34.6°F
Low
15.1°F
Precip
1.25 in

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

Daylight ≈ 10h 24m

March Cool
High
48.2°F
Low
26.9°F
Precip
1.99 in

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

Daylight ≈ 11h 43m

April Cool
High
60.6°F
Low
37.7°F
Precip
3.78 in

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

Daylight ≈ 13h 7m

May Wet
High
70.9°F
Low
50.2°F
Precip
5.31 in

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

Daylight ≈ 14h 19m

June Good
High
80.4°F
Low
60.1°F
Precip
4.75 in

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

Daylight ≈ 14h 56m

July Good
High
84.3°F
Low
64.2°F
Precip
3.99 in

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

Daylight ≈ 14h 42m

August Good
High
82.5°F
Low
62.0°F
Precip
4.36 in

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

Daylight ≈ 13h 40m

September Excellent
High
76.0°F
Low
53.3°F
Precip
3.91 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
63.8°F
Low
40.8°F
Precip
2.86 in

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

Daylight ≈ 10h 52m

November Cool
High
47.7°F
Low
27.5°F
Precip
1.99 in

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

Daylight ≈ 9h 38m

December Cold
High
34.4°F
Low
16.5°F
Precip
1.48 in

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

Daylight ≈ 9h 2m

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