Best time to visit Riley, IN

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

The most comfortable travel window in Riley runs from April through October — 7 months of pleasant temperatures and modest rainfall.

January Cold
High
36.7°F
Low
20.7°F
Precip
2.60 in

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

Daylight ≈ 9h 31m

February Cold
High
41.6°F
Low
24.1°F
Precip
2.02 in

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

Daylight ≈ 10h 31m

March Cool
High
52.8°F
Low
32.8°F
Precip
2.92 in

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

Daylight ≈ 11h 44m

April Good
High
64.9°F
Low
42.9°F
Precip
4.71 in

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

Daylight ≈ 13h 3m

May Good
High
74.6°F
Low
53.4°F
Precip
4.71 in

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

Daylight ≈ 14h 10m

June Good
High
83.3°F
Low
62.2°F
Precip
4.64 in

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

Daylight ≈ 14h 44m

July Good
High
85.9°F
Low
64.8°F
Precip
4.34 in

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

Daylight ≈ 14h 31m

August Good
High
84.6°F
Low
62.5°F
Precip
2.99 in

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

Daylight ≈ 13h 33m

September Excellent
High
79.0°F
Low
54.2°F
Precip
2.93 in

Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.

Daylight ≈ 12h 15m

October Good
High
66.7°F
Low
43.0°F
Precip
3.44 in

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

Daylight ≈ 10h 56m

November Cool
High
52.6°F
Low
33.7°F
Precip
3.05 in

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

Daylight ≈ 9h 47m

December Cold
High
41.1°F
Low
25.9°F
Precip
2.49 in

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

Daylight ≈ 9h 14m

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