Collinsville Weather in July
Average highs run from 91°F on July 1 to 96°F on July 31, and lows from 71°F to 74°F. Normal precipitation for the month is 2.91 in over about 5 wet days.
July day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
July at a glance
- Average high
- 94°F
- Average low
- 73°F
- Precipitation
- 2.91 in
- Record high
- 109°FJul 11, 1933
- Record low
- 53°FJul 31, 1971
- Chance of a freeze
- 0%
- Days of 90°F or more
- 24.4
- Daylight
- 14 h 21 min to 13 h 49 min
- Cloud cover
- 41%
- Humidity
- 61%
- Dew point
- 68°F
- Wind
- 8.9 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jul 1 | 91°F | 71°F | 102°F 1929 | 58°F 1950 | 19% | 0% |
| Jul 2 | 91°F | 72°F | 105°F 1980 | 60°F 1943 | 18% | 0% |
| Jul 3 | 92°F | 72°F | 107°F 1928 | 62°F 1924 | 18% | 0% |
| Jul 4 | 92°F | 72°F | 106°F 1928 | 63°F 1924 | 18% | 0% |
| Jul 5 | 92°F | 72°F | 105°F 1928 | 59°F 1924 | 18% | 0% |
| Jul 6 | 92°F | 72°F | 104°F 1943 | 54°F 1972 | 18% | 0% |
| Jul 7 | 92°F | 72°F | 104°F 1927 | 57°F 1905 | 18% | 0% |
| Jul 8 | 92°F | 72°F | 107°F 1939 | 59°F 1983 | 17% | 0% |
| Jul 9 | 92°F | 72°F | 108°F 1956 | 59°F 1983 | 17% | 0% |
| Jul 10 | 93°F | 72°F | 104°F 1933 | 60°F 1905 | 17% | 0% |
| Jul 11 | 93°F | 73°F | 109°F 1933 | 62°F 1905 | 17% | 0% |
| Jul 12 | 93°F | 73°F | 105°F 1954 | 63°F 1975 | 17% | 0% |
| Jul 13 | 93°F | 73°F | 107°F 1930 | 59°F 1975 | 16% | 0% |
| Jul 14 | 93°F | 73°F | 105°F 1980 | 60°F 1964 | 16% | 0% |
| Jul 15 | 93°F | 73°F | 105°F 1939 | 56°F 1967 | 16% | 0% |
| Jul 16 | 94°F | 73°F | 108°F 1978 | 64°F 1930 | 16% | 0% |
| Jul 17 | 94°F | 73°F | 106°F 1929 | 61°F 1949 | 16% | 0% |
| Jul 18 | 94°F | 73°F | 107°F 1954 | 60°F 2014 | 16% | 0% |
| Jul 19 | 94°F | 73°F | 108°F 1936 | 60°F 1897 | 16% | 0% |
| Jul 20 | 94°F | 73°F | 108°F 2018 | 61°F 1947 | 16% | 0% |
| Jul 21 | 94°F | 73°F | 108°F 1928 | 61°F 1970 | 16% | 0% |
| Jul 22 | 95°F | 73°F | 109°F 1939 | 60°F 1970 | 16% | 0% |
| Jul 23 | 95°F | 73°F | 108°F 1974 | 60°F 1970 | 16% | 0% |
| Jul 24 | 95°F | 74°F | 108°F 1934 | 60°F 1970 | 16% | 0% |
| Jul 25 | 95°F | 74°F | 109°F 1954 | 65°F 1906 | 16% | 0% |
| Jul 26 | 95°F | 74°F | 107°F 1954 | 60°F 1906 | 16% | 0% |
| Jul 27 | 95°F | 74°F | 105°F 1934 | 62°F 1949 | 16% | 0% |
| Jul 28 | 95°F | 74°F | 105°F 1939 | 62°F 2005 | 16% | 0% |
| Jul 29 | 95°F | 74°F | 107°F 1986 | 62°F 1928 | 16% | 0% |
| Jul 30 | 96°F | 74°F | 109°F 1986 | 60°F 1971 | 16% | 0% |
| Jul 31 | 96°F | 74°F | 109°F 1986 | 53°F 1971 | 16% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- July 1
- sunrise 6:21 AM, sunset 8:42 PM
- July 31
- sunrise 6:39 AM, sunset 8:28 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00413420 (Gainesville 5 Ene), public domain. Records: NOAA GHCN-Daily, station USC00418274, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.