Historical Weather in Elgin, IL
See 55+ years of weather history for any date in Elgin going back to 1970.
Part of Illinois weather history · Illinois temperature records
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Monthly Climate Averages
Historical temperature and precipitation averages for Elgin, IL, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Elgin, IL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Elgin, IL Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Elgin, IL Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Growing Season & Frost in Elgin, IL
Based on the dates the average overnight low reaches freezing (32°F / 0°C), from 50+ years of NOAA station data.
Hours of Daylight in Elgin, IL
Day length across the year at 42.0°N latitude. Computed from solar geometry.
Best Time to Visit Elgin, IL
Elgin, IL has no months that meet our "pleasant" threshold — every season has tradeoffs.
Elgin Temperature Records
- Record High: The hottest temperature ever recorded in Elgin, IL is 103°F, set on July 10, 1974.
- Record Low: The coldest temperature ever recorded in Elgin, IL is -29°F, set on February 1, 2019.
- Data Coverage: Based on 54 years of data from NOAA weather station: ELGIN WATER.
All-Time Record High
All-Time Record Low
Monthly Temperature Records in Elgin
| Month | Record High | Record Low |
|---|---|---|
| January | 66°F(1989) | -29°F(2019) |
| February | 76°F(2024) | -29°F(2019) |
| March | 85°F(2012) | -9°F(2002) |
| April | 91°F(1986) | 5°F(1982) |
| May | 97°F(2012) | 26°F(1989) |
| June | 103°F(1988) | 30°F(2000) |
| July | 103°F(2012) | 42°F(1983) |
| August | 101°F(1991) | 38°F(1986) |
| September | 96°F(1971) | 26°F(1974) |
| October | 90°F(1971) | 14°F(1988) |
| November | 77°F(1974) | -10°F(1976) |
| December | 70°F(2012) | -24°F(1983) |