Historical Weather Records & Monthly Climate for Joliet, IL
All-Time High
100°F
All-Time Low
-29°F
Max Daily Snow
8.8"
Max Wind Gust
67 mph
Monthly Climate Averages
Based on 30 years of historical data (1994 - 2023)
| Month | High (°F) | Low (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|
| January | 32° | 18° | 2.31" | 7.08" |
| February | 36° | 20° | 2.2" | 6.13" |
| March | 48° | 30° | 2.84" | 3.54" |
| April | 60° | 40° | 4.12" | 1.18" |
| May | 70° | 52° | 4.78" | 0 |
| June | 80° | 62° | 4.76" | 0 |
| July | 83° | 66° | 3.93" | 0 |
| August | 81° | 65° | 4" | 0 |
| September | 75° | 59° | 3.04" | 0 |
| October | 63° | 47° | 3.53" | 0.19" |
| November | 49° | 35° | 2.52" | 1.49" |
| December | 37° | 24° | 2.28" | 4.61" |
More Historical Climate Data for Cities in
IL