Elkhorn Grove, IL climate
Elkhorn Grove has cold, snowy winters and pleasant summers. A typical July afternoon reaches 84°, a January night drops to 13°, and about 31 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Elkhorn Grove feels like
Winter
Spring
Summer
Fall
Elkhorn 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 | 30° | 13° | 1.6" | 13.0" | 8 | 20 | 12° – 34° |
| February | 34° | 17° | 1.8" | 5.7" | 7 | 13 | 12° – 37° |
| March | 47° | 28° | 2.5" | 4.5" | 7 | 4 | 29° – 52° |
| April | 60° | 38° | 3.8" | 0.6" | 10 | 0 | 40° – 56° |
| May | 72° | 49° | 4.6" | 0 | 11 | 0 | 54° – 67° |
| June | 81° | 59° | 5.3" | 0 | 9 | 0 | 67° – 74° |
| July | 84° | 62° | 4.3" | 0 | 8 | 0 | 67° – 79° |
| August | 82° | 60° | 4.1" | 0 | 8 | 0 | 65° – 77° |
| September | 76° | 52° | 3.6" | 0 | 7 | 0 | 58° – 69° |
| October | 63° | 41° | 2.9" | 0 | 7 | 0 | 47° – 58° |
| November | 47° | 30° | 2.4" | 1.8" | 7 | 2 | 30° – 48° |
| December | 35° | 19° | 2.0" | 5.6" | 8 | 10 | 13° – 37° |
| Year | 59° | 39° | 38.8" | 31.2" | 97 | 49 |
“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 Elkhorn Grove
Elkhorn Grove gets 39 inches of rain and melted snow a year. June is the wettest month and January the driest. Rain or snow falls on about 97 days a year. Snow covers the ground about 49 days of the year.
About 161 frost-free days a year
In half of years the last 32° night comes by April 29 and the first one by October 7. That leaves about 161 frost-free days for gardens, shorter than 70% of U.S. towns.
Heating and cooling a home in Elkhorn Grove
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Elkhorn Grove, 89% of that work is heating and 11% is cooling, so the furnace matters far more than the air conditioner.
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.
Elkhorn Grove and its neighbors
Elkhorn Grove borders 4 towns with climate data. January nights across them vary by 0.8°. Rock Creek-Lima has the coldest January nights (13°) and Jordan the hottest July afternoons (84°). Elkhorn Grove’s January low is 13° and its July high 84°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Elkhorn 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 Elkhorn Grove averaged 1.5° warmer than the 1900s. The biggest change is in December (+2.9°). The shift is larger than in 72% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Elkhorn Grove’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 12° to 37°. June is the most reliable, staying within 7°.
Common questions about Elkhorn Grove’s climate
What is the coldest month in Elkhorn Grove?
January, with a typical high of 30° and a low of 13°.
What is the hottest month in Elkhorn Grove?
July, with a typical high of 84° and a low of 62°. About 17 days a year reach 90°.
How much snow does Elkhorn Grove get?
About 31 inches in a normal winter, most of it in January.
When is the first frost in Elkhorn Grove?
In half of years the first 32° night comes by October 7, and the last spring frost by April 29.
What is the rainiest month in Elkhorn Grove?
June, with 5.3 inches of rain and melted snow. The year totals 39 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Elkhorn Grove itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Dixon 1w, IL (14 mi, snow) and Polo 5nw, 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.