Climateby Month

Elgin, IL weather in July

NOAA 1991-2020 normals and daily records · Elgin all year

In July, Elgin sees highs around 84°F and lows around 63°F: warm and often humid, with some rain. There are about 9 days with rain. It is one of the warmest months in Elgin.

Normal high
84°F
Normal low
63°F
Wet days
9
4.0 in total
Muggy days
11
dew point 65°F+

How July changes from start to finish

Normal values at the start and end of July
July 1July 31
Normal high84°F84°F
Normal low62°F63°F
Chance of a wet day32%32%
Sunrise / sunset5:21 am / 8:32 pm5:45 am / 8:13 pm
Daylight15.2 h14.5 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).

A typical July day

  1. 6 am67°Fdew point 63°F
  2. 9 am76°Fdew point 64°F
  3. Noon80°Fdew point 63°F
  4. 3 pm82°Fdew point 63°F
  5. 6 pm79°Fdew point 63°F
  6. 9 pm71°Fdew point 63°F

NOAA hourly normals (local standard time) from West Chicago Dupage Airport (9 mi away); average wind 8 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F5 of 31
  • Hot dayshigh 90°F or more6 of 31
  • Muggy daysdaily mean dew point 65°F or more11 of 31
  • Wet daysat least 0.01 in of rain or melted snow9 of 31
  • Notable rainat least 0.10 in6 of 31
  • Freezing nightslow 32°F or below0 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per July, counted from daily records for each year 1991-2020.

Rain in July

Normal precipitation is 4.0 in; a dry July brings about 2.6 in and a wet one about 4.6 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.

How July varies from year to year

  • Warmest July, 1991-20202012: average high 92°F
  • Coolest July2009: average high 77°F
  • Wettest July2017: 9.7 in
  • Driest July2001: 1.2 in
  • Highest reading102°F (July 8, 2012)
  • Lowest reading47°F (July 2, 2001)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

July compared with June and August

JuneJulyAugust
Normal high80°F84°F82°F
Normal low58°F63°F61°F
Wet days11910
Comfortable days1157
Daylight15.2 h14.9 h13.8 h

Highs change by +4°F from June and -2°F into August.

Nearby alternatives in July

How Elgin ranks in July

  • Normal high250th warmest of 378 cities; 5th of 8 in Illinois
  • Wet days193rd driest of 378
  • Comfortable days106th most of 340

What to pack for Elgin in July

  • A rain jacket or umbrella – rain on about 9 days
  • Sunglasses and sunscreen – about 14.9 hours of daylight and highs near 84°F

Heating and cooling

July has 5 heating degree days and 273 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.

Questions

How hot is Elgin in July?

The normal high is 84°F and the normal low is 63°F. From 1991 to 2020 the hottest July reading was 102°F (most recently on July 8, 2012).

Does it rain a lot in Elgin in July?

About 9 days in July have at least 0.01 in of precipitation, and the normal total is 4.0 in. The wettest July in 1991-2020 was in 2017 (9.7 in); the driest was in 2001 (1.2 in).

Is July a good time to visit Elgin?

July ranks 6th of 12 months on our comfort score for Elgin (58 out of 100). It has about 5 comfortable days and about 6 days at 90°F or hotter. The best month is May.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: Elgin (USC00112736), 1.8 mi N of the city center, 763 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: West Chicago Dupage Airport (USW00094892), 8.7 mi SSE of the city center, 754 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Chicago O'hare International Airport (725300-94846), 19 mi ESE of the city center, 672 ft (68 ft lower than the city). Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).