Butler Grove, IL climate
Butler Grove has chilly winters and warm summers. A typical July afternoon reaches 86°, a January night drops to 21°, and about 16 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Butler Grove feels like
Winter
Spring
Summer
Fall
Butler Grove 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 | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 36° | 21° | 2.4" | 5.9" | 7 | 10 | 22° – 40° |
| February | 42° | 24° | 2.2" | 3.9" | 7 | 5 | 22° – 43° |
| March | 53° | 33° | 3.0" | 2.4" | 9 | 1 | 36° – 57° |
| April | 65° | 43° | 4.7" | 0 | 10 | 0 | 47° – 60° |
| May | 75° | 54° | 4.8" | 0 | 11 | 0 | 59° – 72° |
| June | 84° | 63° | 4.4" | 0 | 9 | 0 | 68° – 76° |
| July | 86° | 66° | 3.8" | 0 | 7 | 0 | 71° – 83° |
| August | 85° | 64° | 3.4" | 0 | 7 | 0 | 69° – 80° |
| September | 80° | 56° | 3.1" | 0 | 7 | 0 | 63° – 73° |
| October | 68° | 44° | 3.3" | 0.2" | 9 | 0 | 51° – 62° |
| November | 53° | 34° | 3.3" | 0.6" | 8 | 1 | 35° – 51° |
| December | 41° | 25° | 2.4" | 3.2" | 8 | 4 | 20° – 42° |
| Year | 64° | 44° | 40.6" | 16.2" | 100 | 22 |
“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 Butler Grove
Butler Grove gets 41 inches of rain and melted snow a year. May is the wettest month and February the driest. Rain or snow falls on about 100 days a year. Snow covers the ground about 22 days of the year.
About 192 frost-free days a year
In half of years the last 32° night comes by April 13 and the first one by October 24. That leaves about 192 frost-free days for gardens, longer than 66% of U.S. towns.
Heating and cooling a home in Butler Grove
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Butler Grove, 78% of that work is heating and 22% 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.
Butler Grove and its neighbors
Butler Grove borders 6 towns with climate data. January nights across them vary by 0.4°. Raymond has the coldest January nights (20°) and Irving the hottest July afternoons (87°). Butler Grove’s January low is 21° and its July high 86°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Butler Grove 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 Butler Grove averaged 0.9° warmer than the 1900s. The biggest change is in December (+1.9°). The shift is smaller than in 80% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Butler Grove’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 20° to 42°. June is the most reliable, staying within 9°.
Common questions about Butler Grove’s climate
What is the coldest month in Butler Grove?
January, with a typical high of 36° and a low of 21°.
What is the hottest month in Butler Grove?
July, with a typical high of 86° and a low of 66°. About 42 days a year reach 90°.
How much snow does Butler Grove get?
About 16 inches in a normal winter, most of it in January.
When is the first frost in Butler Grove?
In half of years the first 32° night comes by October 24, and the last spring frost by April 13.
What is the rainiest month in Butler Grove?
May, with 4.8 inches of rain and melted snow. The year totals 41 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Butler Grove itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Morrisonville, IL (14 mi, snow) and Hillsboro, IL (5 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.