Sunny Days Comparison
Climate

Illinois vs Iowa: Sunny Days

Iowa gets more sunny days than Illinois.

Illinois flag
Illinois
IL • Midwest
95 days
Average number of sunny or mostly sunny days per year.
Iowa flag
Iowa
IA • Midwest
Winner
105 days
Average number of sunny or mostly sunny days per year.

Visual Comparison

Illinois 95 days
Iowa 105 days

Difference: 10 days — Iowa leads.

National Rankings

Where They Rank Nationally

See where both states fall among all 50 states for sunny days.

Illinois #31 · 95 days
Iowa #19 · 105 days
Lowest Highest

Top 10 States — Sunny Days

#1 Arizona flag Arizona
193 days
#2 New Mexico flag New Mexico
167 days
#3 Nevada flag Nevada
158 days
#4 California flag California
146 days
#5 Oklahoma flag Oklahoma
139 days
#6 Colorado flag Colorado
136 days
#7 Texas flag Texas
135 days
#8 Kansas flag Kansas
128 days
#9 Utah flag Utah
125 days
#10 Arkansas flag Arkansas
123 days
Selected states
#31 Illinois flag Illinois
95 days
#19 Iowa flag Iowa
105 days

Illinois ranks 31st and Iowa ranks 19th nationally for sunny days.

Related Context

Sunshine & Weather

Sunny days rank among the most-cited lifestyle factors for relocation decisions.

Metric
Illinois
Iowa
Average Temperature
51.8°F
47.8°F
Summer Temperature
73.4°F
71.6°F
Winter Temperature
28.3°F
21.7°F
Annual Precipitation
39.2 in
34.0 in

What This Means

Illinois vs Iowa: Sunny Days in context

Iowa has a sunny days of 105 days, compared with 95 days in Illinois, a gap of 10.5%. Average number of sunny or mostly sunny days per year.

Illinois
95 days
Iowa
105 days
Difference
10 days

People Also Ask

Illinois vs Iowa Sunny Days — Common Questions

Q What is Illinois's sunny days?

Illinois's sunny days is 95 days.

Q What is Iowa's sunny days?

Iowa's sunny days is 105 days.

Q Which state has a higher sunny days — Illinois or Iowa?

Iowa gets more sunny days than Illinois.

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.