Historical Weather in Rockford, IL
See 55+ years of weather history for any date in Rockford going back to 1970.
Part of Illinois weather history
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Today in Rockford Weather HistorySee records, averages, and 55+ years of data for today's date
→Monthly Climate Averages
Historical temperature and precipitation averages for Rockford, IL, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 84°F / Low: 63°F
Coldest MonthJanuaryAvg High: 28°F / Low: 12°F
Jan
28°/ 12°
💧 3.9"
❄️ 1.4"
Feb
33°/ 16°
💧 4.8"
❄️ 1.5"
Mar
45°/ 27°
💧 6.3"
❄️ 1.5"
Apr
59°/ 37°
💧 8.4"
❄️ 1.2"
May
71°/ 48°
💧 8.3"
❄️ 0.2"
Jun
80°/ 58°
💧 11.8"
Jul
84°/ 63°
💧 10.6"
Aug
82°/ 61°
💧 11.8"
Sep
75°/ 53°
💧 11.1"
Oct
62°/ 41°
💧 7.4"
❄️ 1.0"
Nov
47°/ 30°
💧 6.5"
❄️ 1.4"
Dec
33°/ 18°
💧 5.5"
❄️ 1.5"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Rockford Temperature Records
- Record High: The hottest temperature ever recorded in Rockford, IL is 105°F, set on July 7, 2012.
- Record Low: The coldest temperature ever recorded in Rockford, IL is -34°F, set on February 3, 1996.
- Data Coverage: Based on 57 years of data from NOAA weather station: ROCKFORD GTR ROCKFORD AP.
All-Time Record High
105°F
July 7, 2012
All-Time Record Low
-34°F
February 3, 1996
Monthly Temperature Records in Rockford
| Month | Record High | Record Low |
|---|---|---|
| January | 63°F(1989) | -31°F(2019) |
| February | 78°F(2024) | -34°F(1996) |
| March | 85°F(1986) | -17°F(2015) |
| April | 92°F(1980) | 5°F(1982) |
| May | 99°F(2012) | 22°F(2002) |
| June | 101°F(1988) | 34°F(1985) |
| July | 105°F(2012) | 41°F(1970) |
| August | 104°F(1988) | 36°F(1982) |
| September | 99°F(1978) | 24°F(1974) |
| October | 90°F(2025) | 14°F(1988) |
| November | 77°F(2016) | -10°F(1977) |
| December | 69°F(2021) | -26°F(1983) |
Rockford Snow RecordsSee the top 10 snowiest days ever recorded
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