Historical Weather Records & Monthly Climate for Streamwood, IL
All-Time High
100°F
All-Time Low
-29°F
Max Daily Snow
9.6"
Max Wind Gust
71 mph
Monthly Climate Averages
Based on 30 years of historical data (1994 - 2023)
| Month | High (°F) | Low (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|
| January | 30° | 15° | 2.07" | 8.07" |
| February | 34° | 18° | 2.09" | 6.81" |
| March | 46° | 29° | 2.57" | 3.8" |
| April | 58° | 39° | 4.12" | 1.82" |
| May | 69° | 50° | 4.78" | 0.01" |
| June | 79° | 61° | 4.14" | 0 |
| July | 82° | 66° | 3.84" | 0 |
| August | 81° | 65° | 3.75" | 0 |
| September | 74° | 58° | 3.02" | 0 |
| October | 61° | 46° | 3.35" | 0.23" |
| November | 47° | 34° | 2.18" | 1.8" |
| December | 36° | 23° | 2.25" | 6.19" |
Historical Weather Extremes
Based on 80+ years of archive data (1940 - 2024)
🔥
Longest Heatwave
10 Days
1953
Consecutive days ≥ 90°F
🧊
Deepest Freeze
43 Days
1977
Consecutive days ≤ 32°F
🏜️
Longest Drought
25 Days
1981
Consecutive days w/o rain
☔
Wettest Month
9.54"
August 1987
Most rainfall in one month
⛄
Snowiest Month
20.06"
December 2008
Most snowfall in one month
More Historical Climate Data for Cities in
IL