Yosemite National Park is definitely worth a visit
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Elgin (IL) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Elgin.
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Climate overview of Elgin
The climate in Elgin, Illinois, United States of America, is marked by large temperature swings across the seasons, ranging from 29°C (84°F) in July to -1°C (30°F) in January.
The city has a wet climate, receiving around 1046 mm (41 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and very cold winters. August is the wettest month. The sunniest month is July, with 10.6 hours of sunshine per day on average.
Elgin Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Elgin - and find the best time to visit.
Monthly Temperature in Elgin
In Elgin, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 29°C (84°F) in July to a very cold -1°C (30°F) in January.
Nighttime temperatures range from 17°C (63°F) in July to -10°C (14°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Elgin
Elgin experiences significant rain/snowfall throughout the year, averaging 1046 mm (41 in) of precipitation annually. The seasons in Elgin bring significant changes in precipitation. The wettest month, August, receives high rainfall, with an average of 125 mm (4.9 in) of precipitation. This rainfall is distributed across 11 rainy days.
In contrast, the driest month, January, experiences much less snowfall, totaling 45 mm (1.8 in) over 11 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Elgin Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Elgin
In Elgin, summer days are longer and more sunny, with daily sunshine hours peaking at 10.6 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.6 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Chicago, the United States of America (32 KM, 19 Miles).
Daily hours of sunshine
Data from: Chicago, the United States of America (32 KM, 19 Miles).
Daily percentage of sunshine
Data from: Chicago, the United States of America (32 KM, 19 Miles).
Humidity in Elgin by Month
The relative humidity is high throughout the year in Elgin.
The city experiences its highest humidity in December, reaching 76%. In May, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Chicago, the United States of America (32 KM, 19 Miles).
Best Time to Visit Elgin
The most comfortable overall weather for exploring Elgin is usually found in September. Conditions are generally least comfortable in January, February, March, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
very cold
Mar
cold
Apr
mixed
May
very good
Jun
very good
Jul
very good
Aug
very good
Sep
excellent
Oct
good
Nov
cold
Dec
cold
- Best overall: September
- Warmest weather: July and August
- Most sunshine: June and July
- Fewest rainy days: February, September and November
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -10°C (14°F).
Frequently asked questions about the climate in Elgin
What is the best time to visit Elgin?
September typically offers the most optimal weather in Elgin. In contrast, January, February, March, November and December tend to have less optimal conditions. Elgin has warm summers and very cold winters.
What temperatures can I expect in Elgin?
Daytime highs range from -1°C (30°F) in January to 29°C (84°F) in July. Nighttime lows range from -10°C (14°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Elgin get?
Annual rainfall is around 1046 mm (41 in). August is the wettest month with 125 mm (4.9 in), while January is the driest with 45 mm (1.8 in).
How sunny is Elgin?
Elgin receives around 2,509 hours of sunshine per year. July is the sunniest month with 319 hours, while December is the cloudiest with just 107 hours. Overall, Elgin enjoys abundant sunshine.
Elgin 3-Day Forecast
Elgin on the map
Elgin is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Miami Beach
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29°C (84°F) Destin26°C (79°F) Los Angeles24°C (75°F) New York City19°C (66°F) Big Bear Lake19°C (66°F) Bucket list
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