Historical Weather Records & Monthly Climate for Wheaton, IL
All-Time High
100°F
All-Time Low
-29°F
Max Daily Snow
9.1"
Max Wind Gust
31 mph
Monthly Climate Averages
Based on 30 years of historical data (1994 - 2023)
| Month | High (°F) | Low (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|
| January | 30° | 16° | 2.16" | 7.64" |
| February | 34° | 18° | 2.11" | 6.35" |
| March | 46° | 29° | 2.6" | 3.71" |
| April | 58° | 39° | 4.08" | 1.54" |
| May | 69° | 50° | 4.73" | 0 |
| June | 79° | 61° | 4.28" | 0 |
| July | 82° | 66° | 3.88" | 0 |
| August | 81° | 65° | 3.94" | 0 |
| September | 74° | 58° | 3.03" | 0 |
| October | 61° | 46° | 3.39" | 0.22" |
| November | 47° | 34° | 2.28" | 1.66" |
| December | 36° | 23° | 2.26" | 5.36" |
More Historical Climate Data for Cities in
IL