Historical Weather Records & Monthly Climate for Rock Island, IL
All-Time High
101°F
All-Time Low
-32°F
Max Daily Snow
9.3"
Max Wind Gust
63 mph
Monthly Climate Averages
Based on 30 years of historical data (1994 - 2023)
| Month | High (°F) | Low (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|
| January | 31° | 15° | 1.85" | 6.93" |
| February | 35° | 19° | 2.02" | 5.8" |
| March | 48° | 31° | 2.71" | 3.78" |
| April | 60° | 42° | 4.19" | 1.13" |
| May | 71° | 54° | 4.74" | 0.02" |
| June | 80° | 64° | 4.59" | 0 |
| July | 84° | 68° | 3.24" | 0 |
| August | 82° | 67° | 3.38" | 0 |
| September | 76° | 59° | 3.11" | 0 |
| October | 63° | 47° | 2.8" | 0.34" |
| November | 49° | 35° | 2.11" | 1.52" |
| December | 36° | 23° | 2.06" | 5.27" |
Historical Weather Extremes
Based on 80+ years of archive data (1940 - 2024)
🔥
Longest Heatwave
11 Days
1953
Consecutive days ≥ 90°F
🧊
Deepest Freeze
31 Days
1960
Consecutive days ≤ 32°F
🏜️
Longest Drought
34 Days
1999
Consecutive days w/o rain
☔
Wettest Month
9.9"
May 1996
Most rainfall in one month
⛄
Snowiest Month
17.5"
January 1979
Most snowfall in one month
More Historical Climate Data for Cities in
IL