Evansville, IL climate
Evansville has chilly winters and warm summers. A typical July afternoon reaches 89°, a January night drops to 24°, and about 10 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Evansville feels like
Winter
Spring
Summer
Fall
Evansville weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 41° | 24° | 2.7" | 2.8" | 7 | 26° – 43° |
| February | 47° | 27° | 2.5" | 3.7" | 7 | 27° – 46° |
| March | 57° | 36° | 3.7" | 0.6" | 9 | 39° – 60° |
| April | 68° | 45° | 5.0" | 0.2" | 10 | 50° – 62° |
| May | 77° | 56° | 5.1" | 0 | 11 | 61° – 73° |
| June | 86° | 64° | 4.4" | 0 | 8 | 69° – 80° |
| July | 89° | 68° | 4.0" | 0 | 7 | 73° – 85° |
| August | 88° | 66° | 3.2" | 0 | 7 | 71° – 83° |
| September | 81° | 57° | 3.0" | 0 | 6 | 65° – 76° |
| October | 70° | 46° | 3.0" | 0 | 7 | 53° – 64° |
| November | 56° | 36° | 3.8" | 0.5" | 8 | 38° – 53° |
| December | 45° | 28° | 2.8" | 2.4" | 8 | 23° – 46° |
| Year | 67° | 46° | 43.1" | 10.2" | 94 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Evansville
Evansville gets 43 inches of rain and melted snow a year. May is the wettest month and February the driest. Rain or snow falls on about 94 days a year.
About 202 frost-free days a year
In half of years the last 32° night comes by April 8 and the first one by October 30. That leaves about 202 frost-free days for gardens, longer than 73% of U.S. towns.
Heating and cooling a home in Evansville
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Evansville, 76% of that work is heating and 24% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Evansville compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Evansville averaged 1.1° warmer than the 1900s. The biggest change is in February (+2.1°). The shift is smaller than in 59% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Evansville’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 23° to 46°. June is the most reliable, staying within 11°.
Common questions about Evansville’s climate
What is the coldest month in Evansville?
January, with a typical high of 41° and a low of 24°.
What is the hottest month in Evansville?
July, with a typical high of 89° and a low of 68°. About 58 days a year reach 90°.
How much snow does Evansville get?
About 10 inches in a normal winter, most of it in February.
When is the first frost in Evansville?
In half of years the first 32° night comes by October 30, and the last spring frost by April 8.
What is the rainiest month in Evansville?
May, with 5.1 inches of rain and melted snow. The year totals 43 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Evansville itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Red Bud 5 Se, IL (7 mi, snow) and Kaskaskia Rvr Navigation Lock, IL (7 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.