Aurora, IL weather in July
July in Aurora: warm and often humid, with some rain. Highs 84°F, lows 65°F, rain on about 9 days. This is the peak of the warm season in Aurora.
- Normal high
- 84°F
- Normal low
- 65°F
- Wet days
- 9
- 4.2 in total
- Muggy days
- 11
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 84°F | 83°F |
| Normal low | 64°F | 65°F |
| Chance of a wet day | 32% | 30% |
| Sunrise / sunset | 5:22 am / 8:31 pm | 5:46 am / 8:12 pm |
| Daylight | 15.2 h | 14.4 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
- 6 am67°Fdew point 63°F
- 9 am76°Fdew point 64°F
- Noon80°Fdew point 63°F
- 3 pm82°Fdew point 63°F
- 6 pm79°Fdew point 63°F
- 9 pm71°Fdew point 63°F
NOAA hourly normals (local standard time) from West Chicago Dupage Airport (11 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 in7 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 4.2 in; a dry July brings about 2.3 in and a wet one about 4.8 in (25th and 75th percentiles). About 2 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 78°F
- Wettest July1996: 21.5 in
- Driest July2018: 1.0 in
- Highest reading103°F (July 8, 2012)
- Lowest reading44°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
| June | July | August | |
|---|---|---|---|
| Normal high | 81°F | 84°F | 82°F |
| Normal low | 60°F | 65°F | 63°F |
| Wet days | 11 | 9 | 9 |
| Comfortable days | 11 | 5 | 7 |
| Daylight | 15.2 h | 14.9 h | 13.8 h |
Highs change by +3°F from June and -2°F into August.
Nearby alternatives in July
- Warmer: St. Louis, MO238 mi · high 90°F · 9 wet days
- Cooler: Sister Bay, WI244 mi · high 76°F · 10 wet days
How Aurora ranks in July
- Normal high253rd warmest of 378 cities; 6th of 8 in Illinois
- Wet days181st driest of 378
- Comfortable days111th most of 340
What to pack for Aurora 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 3 heating degree days and 294 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Aurora in July?
The normal high is 84°F and the normal low is 65°F. From 1991 to 2020 the hottest July reading was 103°F (July 8, 2012).
Does it rain a lot in Aurora in July?
About 9 days in July have at least 0.01 in of precipitation, and the normal total is 4.2 in. The wettest July in 1991-2020 was in 1996 (21.5 in); the driest was in 2018 (1.0 in).
Is July a good time to visit Aurora?
July ranks 7th of 12 months on our comfort score for Aurora (57 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: Aurora (USC00110338), 1.5 mi NNE of the city center, 660 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: West Chicago Dupage Airport (USW00094892), 11 mi NNE of the city center, 754 ft (79 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Chicago O'hare International Airport (725300-94846), 24 mi NE of the city center, 672 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).