Annual Precipitation Comparison
Climate

Illinois vs Indiana: Annual Precipitation

Illinois is drier overall than Indiana.

Illinois flag
Illinois
IL • Midwest
Winner
39.2 in
Average annual rain and snowfall combined, measured in inches.
Indiana flag
Indiana
IN • Midwest
41.7 in
Average annual rain and snowfall combined, measured in inches.

Visual Comparison

Illinois 39.2 in
Indiana 41.7 in

Difference: 2.5 inches — Illinois leads.

National Rankings

Where They Rank Nationally

See where both states fall among all 50 states for annual precipitation.

Illinois #24 · 39.2 in
Indiana #25 · 41.7 in
Best Worst

10 Best States — Annual Precipitation

Lower is better
#1 Nevada flag Nevada
9.5 in
#2 Utah flag Utah
12.2 in
#3 Wyoming flag Wyoming
12.9 in
#4 Arizona flag Arizona
13.6 in
#5 New Mexico flag New Mexico
14.6 in
#6 Montana flag Montana
15.3 in
#7 Colorado flag Colorado
15.9 in
#8 North Dakota flag North Dakota
17.8 in
#9 Idaho flag Idaho
18.9 in
#10 South Dakota flag South Dakota
20.1 in
Selected states
#24 Illinois flag Illinois
39.2 in
#25 Indiana flag Indiana
41.7 in

Illinois ranks 24th and Indiana ranks 25th nationally for annual precipitation.

Related Context

Precipitation & Climate

Rain and snow affect agriculture, flood risk, water supply, and outdoor lifestyle.

Metric
Illinois
Indiana
Sunny Days / Year
95 days
88 days
Average Temperature
51.8°F
51.7°F
Summer Temperature
73.4°F
72.4°F
Winter Temperature
28.3°F
29.4°F

What This Means

Illinois vs Indiana: Annual Precipitation in context

Illinois has a annual precipitation of 39.2 in, compared with 41.7 in in Indiana. Average annual rain and snowfall combined, measured in inches.

Illinois
39.2 in
Indiana
41.7 in
Difference
2.5 inches

People Also Ask

Illinois vs Indiana Annual Precipitation — Common Questions

Q What is Illinois's annual precipitation?

Illinois's annual precipitation is 39.2 in.

Q What is Indiana's annual precipitation?

Indiana's annual precipitation is 41.7 in.

Q Which state has a lower annual precipitation — Illinois or Indiana?

Illinois is drier overall than Indiana.

Sources: Core demographic data comes from the 2020 U.S. Census, with land area from U.S. Census Bureau TIGER files. Income, housing, affordability, and tax fields are maintained in our comparison dataset; purchasing-power figures use BEA Regional Price Parities. Minimum wage data comes from the U.S. Department of Labor, gas prices from AAA, and electricity rates from the U.S. Energy Information Administration. Political control and election fields use 2024 presidential results together with National Conference of State Legislatures data. Gun-law labels use the Giffords scorecard, alcohol system data comes from NABCA, and marijuana status uses NCSL's state cannabis laws tracker.