Best time to visit American Falls, ID

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

The most comfortable travel window in American Falls runs from May through June — 2 months of pleasant temperatures and modest rainfall.

January Cold
High
34.5°F
Low
18.7°F
Precip
0.96 in

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

Daylight ≈ 9h 11m

February Cold
High
39.1°F
Low
21.0°F
Precip
0.68 in

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

Daylight ≈ 10h 19m

March Cool
High
51.8°F
Low
29.1°F
Precip
1.02 in

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

Daylight ≈ 11h 42m

April Cool
High
60.0°F
Low
35.0°F
Precip
1.30 in

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

Daylight ≈ 13h 11m

May Good
High
71.3°F
Low
42.5°F
Precip
1.54 in

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

Daylight ≈ 14h 27m

June Good
High
79.1°F
Low
49.6°F
Precip
1.15 in

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

Daylight ≈ 15h 6m

July Hot
High
90.4°F
Low
56.4°F
Precip
0.53 in

Summer heat. Avoid midday exertion; aim for morning and evening activities.

Daylight ≈ 14h 51m

August Good
High
87.7°F
Low
54.8°F
Precip
0.49 in

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

Daylight ≈ 13h 45m

September Good
High
76.9°F
Low
46.2°F
Precip
0.81 in

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

Daylight ≈ 12h 16m

October Cool
High
61.4°F
Low
36.2°F
Precip
0.92 in

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

Daylight ≈ 10h 48m

November Cool
High
46.5°F
Low
26.8°F
Precip
0.83 in

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

Daylight ≈ 9h 30m

December Cold
High
34.5°F
Low
20.0°F
Precip
0.87 in

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

Daylight ≈ 8h 52m

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