Fox River Grove, IL climate
Fox River Grove has cold, snowy winters and pleasant summers. A typical July afternoon reaches 84°, a January night drops to 15°, and about 32 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Fox River Grove feels like
Winter
Spring
Summer
Fall
Fox River 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° | 15° | 1.8" | 9.5" | 10 | 17 | 12° – 34° |
| February | 34° | 18° | 1.8" | 8.0" | 8 | 13 | 14° – 38° |
| March | 46° | 27° | 2.3" | 3.7" | 10 | 4 | 27° – 51° |
| April | 58° | 37° | 3.8" | 0.8" | 13 | 1 | 39° – 54° |
| May | 70° | 47° | 4.6" | 0 | 13 | 0 | 53° – 65° |
| June | 80° | 57° | 4.6" | 0 | 11 | 0 | 65° – 73° |
| July | 84° | 62° | 3.9" | 0 | 9 | 0 | 67° – 79° |
| August | 82° | 61° | 3.9" | 0 | 10 | 0 | 65° – 77° |
| September | 75° | 53° | 3.5" | 0 | 9 | 0 | 58° – 68° |
| October | 62° | 41° | 3.2" | 0 | 11 | 0 | 47° – 57° |
| November | 47° | 30° | 2.4" | 1.4" | 10 | 1 | 31° – 47° |
| December | 35° | 20° | 2.1" | 8.7" | 10 | 9 | 15° – 38° |
| Year | 58° | 39° | 37.9" | 32.1" | 124 | 44 |
“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 Fox River Grove
Fox River Grove gets 38 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 124 days a year. Snow covers the ground about 44 days of the year.
About 174 frost-free days a year
In half of years the last 32° night comes by April 26 and the first one by October 18. That leaves about 174 frost-free days for gardens, shorter than 56% of U.S. towns.
Heating and cooling a home in Fox River Grove
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Fox River 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.
Fox River Grove and its neighbors
Fox River Grove borders 3 towns with climate data. January nights across them vary by 0.5°. Cary has the coldest January nights (14°) and Lake Barrington the hottest July afternoons (84°). Fox River Grove’s January low is 15° and its July high 84°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Fox River 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 Fox River Grove averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.7°). The shift is larger than in 51% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Fox River Grove’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. March swings the most: between 1991 and 2020 its average temperature ranged from 27° to 51°. June is the most reliable, staying within 9°.
Common questions about Fox River Grove’s climate
What is the coldest month in Fox River Grove?
January, with a typical high of 30° and a low of 15°.
What is the hottest month in Fox River Grove?
July, with a typical high of 84° and a low of 62°. About 15 days a year reach 90°.
How much snow does Fox River Grove get?
About 32 inches in a normal winter, most of it in January.
When is the first frost in Fox River Grove?
In half of years the first 32° night comes by October 18, and the last spring frost by April 26.
What is the rainiest month in Fox River Grove?
June, with 4.6 inches of rain and melted snow. The year totals 38 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Fox River Grove itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Elgin, IL (10 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.