Elgin weather by month
Average highs run from 30°F in January to 84°F in July, and January nights average 14°F. It gets 40 inches of rain and melted snow a year and 32 inches of snow. Nights drop below freezing about 139 times a year. The most comfortable months are June to September.
Best time to visit Elgin
For comfortable weather, go in June to September. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.
Month by month
| Month | High | Low | Precip. | Snow | Wet days | Days 90°F+ | Nights below 32°F | Feels |
|---|---|---|---|---|---|---|---|---|
| January | 30°F | 14°F | 2.0 in | 9.5 in | 5 | 0 | 29 | very cold |
| February | 34°F | 17°F | 1.9 in | 8.0 in | 5 | 0 | 26 | cold |
| March | 46°F | 26°F | 2.4 in | 3.7 in | 6 | 0 | 23 | cold |
| April | 59°F | 37°F | 4.0 in | 0.8 in | 8 | 0 | 9 | cool |
| May | 70°F | 48°F | 5.1 in | 0.0 in | 8 | 1 | 0 | mild |
| June | 80°F | 58°F | 4.5 in | 0.0 in | 7 | 4 | 0 | warm |
| July | 84°F | 63°F | 4.0 in | 0.0 in | 6 | 6 | 0 | warm |
| August | 82°F | 61°F | 4.3 in | 0.0 in | 6 | 3 | 0 | warm |
| September | 76°F | 53°F | 3.5 in | 0.0 in | 6 | 2 | 0 | mild |
| October | 63°F | 41°F | 3.3 in | 0.0 in | 6 | 0 | 5 | mild days, chilly nights |
| November | 48°F | 30°F | 2.7 in | 1.4 in | 6 | 0 | 18 | cold |
| December | 36°F | 20°F | 2.2 in | 8.7 in | 5 | 0 | 28 | cold |
| Year | 59°F avg | 39°F avg | 39.9 in | 32.1 in | 74 | 15 | 139 |
"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Elgin, IL (USC00112736), 2 miles from the city center. Averages describe typical conditions, not a forecast.
Sunrise, sunset and daylight in Elgin
The shortest day is December 21, with 9h 06m of daylight; the longest is June 21, with 15h 14m. The earliest sunset comes around December 2 (4:21 pm) and the latest around June 20 (8:32 pm). The sun sets after 8 pm on 94 days a year.
| On the 15th of | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:19 am | 4:46 pm | 9h 28m |
| February | 6:49 am | 5:25 pm | 10h 37m |
| March | 7:05 am | 6:59 pm | 11h 55m |
| April | 6:12 am | 7:34 pm | 13h 22m |
| May | 5:32 am | 8:06 pm | 14h 34m |
| June | 5:17 am | 8:30 pm | 15h 13m |
| July | 5:31 am | 8:26 pm | 14h 56m |
| August | 6:01 am | 7:53 pm | 13h 52m |
| September | 6:33 am | 7:02 pm | 12h 29m |
| October | 7:06 am | 6:11 pm | 11h 05m |
| November | 6:43 am | 4:31 pm | 9h 48m |
| December | 7:14 am | 4:22 pm | 9h 07m |
Calculated for 2026 at the center of Elgin with NOAA's solar equations, in local clock time (Central Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.
Is Elgin getting warmer?
The last 10 years averaged 2.2°F warmer than the 20th century. See the climate stripes for Elgin.Frequently asked questions
What is the warmest month in Elgin?
July is the warmest month, with an average high of 84°F and an average low of 63°F (NOAA 1991-2020 normals).
What is the coldest month in Elgin?
January is the coldest, with average lows of 14°F and highs of 30°F.
What is the rainiest month in Elgin?
May gets the most precipitation, 5.1 inches on average. February is the driest at 1.9 inches.
Does it snow in Elgin?
Yes. Elgin averages 32 inches of snow a year.
When is the best time to visit Elgin?
For comfortable weather, June to September. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.
Thinking of moving to Elgin?
See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Elgin profile.
Compare the weather: Elgin vs Schaumburg, Elgin vs Arlington Heights, Elgin vs Aurora, Elgin vs Naperville.