Best time to visit Armstrong, IA

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

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

January Cold
High
21.9°F
Low
4.5°F
Precip
0.87 in

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

Daylight ≈ 9h 7m

February Cold
High
26.9°F
Low
8.1°F
Precip
0.93 in

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

Daylight ≈ 10h 17m

March Cold
High
39.7°F
Low
21.4°F
Precip
1.76 in

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

Daylight ≈ 11h 42m

April Cool
High
55.4°F
Low
32.5°F
Precip
3.43 in

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

Daylight ≈ 13h 12m

May Good
High
67.7°F
Low
45.6°F
Precip
4.60 in

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

Daylight ≈ 14h 30m

June Good
High
77.8°F
Low
56.9°F
Precip
4.65 in

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

Daylight ≈ 15h 10m

July Good
High
80.8°F
Low
59.8°F
Precip
4.16 in

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

Daylight ≈ 14h 55m

August Good
High
78.3°F
Low
57.5°F
Precip
4.11 in

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

Daylight ≈ 13h 47m

September Good
High
72.6°F
Low
48.0°F
Precip
3.21 in

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

Daylight ≈ 12h 17m

October Cool
High
58.7°F
Low
35.2°F
Precip
2.52 in

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

Daylight ≈ 10h 46m

November Cold
High
41.9°F
Low
22.1°F
Precip
1.46 in

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

Daylight ≈ 9h 27m

December Cold
High
27.6°F
Low
11.2°F
Precip
1.17 in

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

Daylight ≈ 8h 47m

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