Best time to visit Mount Vernon, IN

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

The most comfortable travel window in Mount Vernon runs from May through October — 6 months of pleasant temperatures and modest rainfall.

January Cold
High
41.6°F
Low
22.9°F
Precip
3.53 in

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

Daylight ≈ 9h 39m

February Cool
High
46.0°F
Low
25.7°F
Precip
2.93 in

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

Daylight ≈ 10h 35m

March Cool
High
55.5°F
Low
33.8°F
Precip
4.53 in

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

Daylight ≈ 11h 45m

April Wet
High
67.4°F
Low
43.7°F
Precip
5.06 in

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

Daylight ≈ 12h 59m

May Good
High
76.7°F
Low
54.4°F
Precip
4.98 in

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

Daylight ≈ 14h 3m

June Good
High
85.0°F
Low
63.7°F
Precip
4.63 in

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

Daylight ≈ 14h 35m

July Good
High
87.9°F
Low
66.6°F
Precip
3.64 in

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

Daylight ≈ 14h 23m

August Good
High
87.3°F
Low
64.7°F
Precip
2.95 in

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

Daylight ≈ 13h 28m

September Good
High
81.6°F
Low
57.3°F
Precip
3.20 in

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

Daylight ≈ 12h 14m

October Good
High
70.3°F
Low
45.4°F
Precip
3.49 in

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

Daylight ≈ 10h 59m

November Cool
High
56.6°F
Low
35.3°F
Precip
3.89 in

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

Daylight ≈ 9h 54m

December Cool
High
45.9°F
Low
27.3°F
Precip
3.79 in

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

Daylight ≈ 9h 23m

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