Rockford, IL weather in July
July in Rockford: warm and often humid, with some rain. Highs 84°F, lows 64°F, about 9 days with rain. This is the peak of the warm season in Rockford.
- Normal high
- 84°F
- Normal low
- 64°F
- Wet days
- 9
- 3.8 in total
- Muggy days
- 12
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 84°F | 83°F |
| Normal low | 63°F | 63°F |
| Chance of a wet day | 33% | 30% |
| Sunrise / sunset | 5:23 am / 8:36 pm | 5:48 am / 8:17 pm |
| Daylight | 15.2 h | 14.5 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
- 6 am67°Fdew point 62°F
- 9 am76°Fdew point 63°F
- Noon81°Fdew point 63°F
- 3 pm82°Fdew point 63°F
- 6 pm79°Fdew point 63°F
- 9 pm72°Fdew point 63°F
NOAA hourly normals (local standard time) from Rockford Gtr Rockford Airport (5 mi away); average wind 7 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F6 of 31
- Hot dayshigh 90°F or more5 of 31
- Muggy daysdaily mean dew point 65°F or more12 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 3.8 in; a dry July brings about 2.4 in and a wet one about 4.5 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 93°F
- Coolest July2009: average high 77°F
- Wettest July1996: 9.7 in
- Driest July2001: 0.8 in
- Highest reading105°F (July 7, 2012)
- Lowest reading49°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 | 64°F | 62°F |
| Wet days | 11 | 9 | 9 |
| Comfortable days | 10 | 6 | 8 |
| 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
- Cooler: Sister Bay, WI224 mi · high 76°F · 10 wet days
How Rockford ranks in July
- Normal high255th warmest of 378 cities; 7th of 8 in Illinois
- Wet days182nd driest of 378
- Comfortable days100th most of 340
What to pack for Rockford 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 274 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Rockford in July?
The normal high is 84°F and the normal low is 64°F. From 1991 to 2020 the hottest July reading was 105°F (July 7, 2012).
Does it rain a lot in Rockford in July?
About 9 days in July have at least 0.01 in of precipitation, and the normal total is 3.8 in. The wettest July in 1991-2020 was in 1996 (9.7 in); the driest was in 2001 (0.8 in).
Is July a good time to visit Rockford?
July ranks 6th of 12 months on our comfort score for Rockford (59 out of 100). It has about 6 comfortable days and about 5 days at 90°F or hotter. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Rockford Gtr Rockford Airport (USW00094822), 5.4 mi S of the city center, 730 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Greater Rockford Airport (725430-94822), 5.4 mi S of the city center, 725 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).