Champaign weather in July: Champaign, Illinois: normal highs, lows, rain and records for July
Champaign in July has a normal high of 85°F and a normal low of 64°F, a daily mean of 75°F, holding near 85°F all month. Measurable precipitation falls on 11 days in a normal July, 3.87 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 18°C, 98 mm of precipitation in July.
- NOAA stationChampaign Willard Airport
- Station IDUSW00094870
- Location40.04°N 88.28°W
- Elevation754 ft (230 m)
- From the center5 miles
- Population91,961
- Jan 34° 18°
- Feb 39° 22°
- Mar 52° 31°
- Apr 65° 41°
- May 76° 52°
- Jun 84° 62°
- Jul 85° 64°
- Aug 84° 62°
- Sep 79° 55°
- Oct 67° 43°
- Nov 52° 32°
- Dec 39° 24°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Champaign in July?
The normal high is 85°F and the normal low 64°F, for a daily mean of 74.7°F. July is 2.1°F warmer than June and 1.9°F warmer than August. July is the warmest month of the year in Champaign and the 3rd wettest. Across the month the normal high falls 1°F, from 85°F on July 1 to 84°F on July 31. From one year to the next July's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Julys in three average between 72°F and 77°F.
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 36%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 85°F | 64°F | 36% | 21% |
| July 8 | 85°F | 65°F | 35% | 20% |
| July 15 | 85°F | 65°F | 34% | 18% |
| July 22 | 85°F | 64°F | 33% | 18% |
| July 31 | 84°F | 64°F | 33% | 17% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 6, coldest night July 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 85°F | 64°F | 36% | 21% | 15 h |
| July 2 | 85°F | 64°F | 36% | 21% | 15 h |
| July 3 | 85°F | 64°F | 36% | 21% | 15 h |
| July 4 | 85°F | 65°F | 36% | 20% | 15 h |
| July 5 | 85°F | 65°F | 36% | 20% | 15 h |
| July 6 | 85°F | 65°F | 35% | 20% | 15 h |
| July 7 | 85°F | 65°F | 35% | 20% | 14 h 50 min |
| July 8 | 85°F | 65°F | 35% | 20% | 14 h 50 min |
| July 9 | 85°F | 65°F | 35% | 20% | 14 h 50 min |
| July 10 | 85°F | 65°F | 35% | 19% | 14 h 50 min |
| July 11 | 85°F | 65°F | 34% | 19% | 14 h 50 min |
| July 12 | 85°F | 65°F | 34% | 19% | 14 h 50 min |
| July 13 | 85°F | 65°F | 34% | 19% | 14 h 50 min |
| July 14 | 85°F | 65°F | 34% | 19% | 14 h 50 min |
| July 15 | 85°F | 65°F | 34% | 18% | 14 h 50 min |
| July 16 | 85°F | 65°F | 34% | 18% | 14 h 40 min |
| July 17 | 85°F | 65°F | 33% | 18% | 14 h 40 min |
| July 18 | 85°F | 65°F | 33% | 18% | 14 h 40 min |
| July 19 | 85°F | 65°F | 33% | 18% | 14 h 40 min |
| July 20 | 85°F | 65°F | 33% | 18% | 14 h 40 min |
| July 21 | 85°F | 64°F | 33% | 18% | 14 h 40 min |
| July 22 | 85°F | 64°F | 33% | 18% | 14 h 40 min |
| July 23 | 85°F | 64°F | 33% | 18% | 14 h 30 min |
| July 24 | 85°F | 64°F | 33% | 18% | 14 h 30 min |
| July 25 | 85°F | 64°F | 33% | 17% | 14 h 30 min |
| July 26 | 85°F | 64°F | 33% | 17% | 14 h 30 min |
| July 27 | 85°F | 64°F | 33% | 17% | 14 h 30 min |
| July 28 | 85°F | 64°F | 33% | 17% | 14 h 30 min |
| July 29 | 84°F | 64°F | 33% | 17% | 14 h 20 min |
| July 30 | 84°F | 64°F | 33% | 17% | 14 h 20 min |
| July 31 | 84°F | 64°F | 33% | 17% | 14 h 20 min |
- Normal high
- 85°FJuly average
- Normal low
- 64°FJuly average
- Precipitation
- 3.87 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 6
- 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 USW00094870; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Champaign in July?
On a given July day the chance of 0.01 inch or more is 34% on average, highest around July 1 (36%). In all, 3.87 in falls on 11 days of a normal July, 1 of them with an inch or more.
In a normal July in Champaign, 6 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094870.
What are the records for July in Champaign?
The warmest July temperature on this station's record (since 1997) is 102°F, on July 20, 2001; the coldest is 43°F, on July 2, 2001. The wettest July brought 7.92 in (2024).
The July mean against the 1991-2020 normal of 74.7°F: 2021 73.8°F (−0.9), 2022 75.4°F (+0.7), 2023 74.5°F (−0.2), 2024 73.7°F (−1.0), 2025 78.1°F (+3.4), 2026 75.3°F (+0.6). 3 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 73.8°F | −0.9°F | 4.24 in |
| 2022 | 75.4°F | +0.7°F | 2.93 in |
| 2023 | 74.5°F | −0.2°F | 2.79 in |
| 2024 | 73.7°F | −1.0°F | 7.92 in |
| 2025 | 78.1°F | +3.4°F | 2.67 in |
| 2026 | 75.3°F | +0.6°F | 2.72 in |
Source: records: ACIS, station USW00094870; recent months: ACIS, station USW00094870. Records and recent months use complete months only.
How does July in Champaign 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; Champaign's is 85°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.