Indian Prairie, IL climate
Indian Prairie has chilly winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 23°, and about 12 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Indian Prairie feels like
Winter
Spring
Summer
Fall
Indian Prairie 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 | 39° | 23° | 3.3" | 3.4" | 6 | 25° – 41° |
| February | 44° | 27° | 2.6" | 2.9" | 5 | 25° – 45° |
| March | 55° | 35° | 3.9" | 1.7" | 8 | 37° – 58° |
| April | 67° | 45° | 5.0" | 0 | 8 | 49° – 61° |
| May | 76° | 55° | 5.2" | 0 | 10 | 60° – 72° |
| June | 85° | 63° | 5.0" | 0 | 9 | 69° – 78° |
| July | 88° | 67° | 4.1" | 0 | 8 | 71° – 84° |
| August | 86° | 65° | 3.4" | 0 | 6 | 71° – 81° |
| September | 80° | 57° | 3.5" | 0 | 5 | 64° – 75° |
| October | 69° | 46° | 3.5" | 0 | 6 | 52° – 62° |
| November | 54° | 36° | 4.0" | 0.2" | 6 | 38° – 51° |
| December | 43° | 27° | 3.2" | 3.7" | 6 | 21° – 45° |
| Year | 65° | 45° | 46.5" | 11.9" | 82 |
“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 Indian Prairie
Indian Prairie gets 46 inches of rain and melted snow a year. May is the wettest month and February the driest. Rain or snow falls on about 82 days a year.
About 196 frost-free days a year
In half of years the last 32° night comes by April 10 and the first one by October 23. That leaves about 196 frost-free days for gardens, longer than 70% of U.S. towns.
Heating and cooling a home in Indian Prairie
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Indian Prairie, 77% of that work is heating and 23% 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.
Indian Prairie and its neighbors
Indian Prairie borders 4 towns with climate data. January nights across them vary by 0.6°. Keith has the coldest January nights (23°) and Bedford the hottest July afternoons (88°). Indian Prairie’s January low is 23° and its July high 88°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Indian Prairie 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 Indian Prairie averaged 1.1° warmer than the 1900s. The biggest change is in February (+2.1°). The shift is smaller than in 65% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Indian Prairie’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 21° to 45°. June is the most reliable, staying within 9°.
Common questions about Indian Prairie’s climate
What is the coldest month in Indian Prairie?
January, with a typical high of 39° and a low of 23°.
What is the hottest month in Indian Prairie?
July, with a typical high of 88° and a low of 67°. About 35 days a year reach 90°.
How much snow does Indian Prairie get?
About 12 inches in a normal winter, most of it in December.
When is the first frost in Indian Prairie?
In half of years the first 32° night comes by October 23, and the last spring frost by April 10.
What is the rainiest month in Indian Prairie?
May, with 5.2 inches of rain and melted snow. The year totals 46 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Indian Prairie itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Cisne 2 S, IL (6 mi, snow) and Flora 5 Nw, IL (13 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.