Normal weather in July: Normal, Illinois: normal highs, lows, rain and records for July

Normal in July has a normal high of 86°F and a normal low of 63°F, a daily mean of 75°F, holding near 86°F all month. Measurable precipitation falls on 8 days in a normal July, 4.12 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 30°C and low of 17°C, 105 mm of precipitation in July.

  • NOAA stationNormal (4 mi NE)
  • Station IDUSC00116200
  • Location40.55°N 88.95°W
  • Elevation790 ft (241 m)
  • Population53,304
  1. Jan 33° 16°
  2. Feb 38° 19°
  3. Mar 50° 28°
  4. Apr 63° 38°
  5. May 74° 50°
  6. Jun 83° 60°
  7. Jul 86° 63°
  8. Aug 84° 61°
  9. Sep 79° 53°
  10. Oct 66° 42°
  11. Nov 50° 31°
  12. Dec 38° 21°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Normal in July?

The normal high is 86°F and the normal low 63°F, for a daily mean of 74.5°F. July is 2.9°F warmer than June and 1.9°F warmer than August. July is the warmest month of the year in Normal and the 2nd wettest. Across the month the normal high falls 1°F, from 86°F on July 1 to 85°F on July 31. From one year to the next July's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Julys in three average between 72°F and 77°F.

Normal in July, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 30%).

Normal high and low on five days of July, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
July 186°F63°F30%22%
July 886°F63°F29%21%
July 1586°F63°F28%20%
July 2286°F63°F28%20%
July 3185°F62°F28%20%
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 7, coldest night July 30)
Normal: NOAA 1991-2020 daily normals for each day of July
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
July 186°F63°F30%22%15 h
July 286°F63°F30%22%15 h
July 386°F63°F30%22%15 h
July 486°F63°F30%22%15 h
July 586°F63°F29%22%15 h
July 686°F63°F29%21%15 h
July 786°F63°F29%21%15 h
July 886°F63°F29%21%15 h
July 986°F63°F29%21%15 h
July 1086°F63°F28%21%14 h 50 min
July 1186°F63°F28%21%14 h 50 min
July 1286°F63°F28%21%14 h 50 min
July 1386°F63°F28%21%14 h 50 min
July 1486°F63°F28%21%14 h 50 min
July 1586°F63°F28%20%14 h 50 min
July 1686°F63°F28%20%14 h 50 min
July 1786°F63°F28%20%14 h 50 min
July 1886°F63°F28%20%14 h 40 min
July 1986°F63°F28%20%14 h 40 min
July 2086°F63°F28%20%14 h 40 min
July 2186°F63°F28%20%14 h 40 min
July 2286°F63°F28%20%14 h 40 min
July 2386°F63°F28%20%14 h 40 min
July 2486°F63°F28%20%14 h 40 min
July 2586°F63°F28%20%14 h 30 min
July 2686°F63°F28%20%14 h 30 min
July 2786°F63°F28%20%14 h 30 min
July 2886°F63°F28%20%14 h 30 min
July 2986°F63°F28%20%14 h 30 min
July 3086°F62°F28%20%14 h 20 min
July 3185°F62°F28%20%14 h 20 min
Normal high
86°FJuly average
Normal low
63°FJuly average
Precipitation
4.12 inmonth total
Days with precipitation
80.01 inch or more
Days at 90°F or more
9
Daylight
15 h to 14 h 20 minJuly 1 to July 31
Days at 70°F or more
31
Days at 80°F or more
26
Sunshine
82%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00116200; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Normal in July?

On a given July day the chance of 0.01 inch or more is 28% on average, highest around July 1 (30%). In all, 4.12 in falls on 8 days of a normal July, 1 of them with an inch or more.

In a normal July in Normal, 9 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00116200.

What are the records for July in Normal?

The warmest July temperature on this station's record (since 1893) is 114°F, on July 15, 1936; the coldest is 43°F, on July 31, 1895. The wettest July brought 13.74 in (1992).

The July mean against the 1991-2020 normal of 74.5°F: 2021 73.7°F (−0.8), 2022 74.2°F (−0.3), 2023 73.8°F (−0.7), 2024 72.5°F (−2.0), 2025 77.8°F (+3.3), 2026 75.9°F (+1.4). 2 of 6 ran warmer than normal.

Normal: July in recent years against the 1991-2020 normal
JulyMeanAgainst normalPrecip.
202173.7°F−0.8°F4.16 in
202274.2°F−0.3°F2.11 in
202373.8°F−0.7°F3.73 in
202472.5°F−2.0°F3.52 in
202577.8°F+3.3°F7.13 in
202675.9°F+1.4°F2.53 in

Source: records: ACIS, station USC00116200; recent months: ACIS, station USC00116200. Records and recent months use complete months only.

How does July in Normal compare across Illinois?

Across the 144 places PlainClimate covers in Illinois, July normal highs run from 81°F in Barrington to 90°F in Belleville; Normal's is 86°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places