De Witt Weather in August
Average highs run from 91°F on August 1 to 88°F on August 31, and lows from 72°F to 68°F. Normal precipitation for the month is 2.76 in over about 5 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 90°F
- Average low
- 70°F
- Precipitation
- 2.76 in
- Record high
- 109°FAug 8, 2025
- Record low
- 50°FAug 29, 1986
- Chance of a freeze
- 0%
- Days of 90°F or more
- 18.9
- Daylight
- 13 h 51 min to 12 h 55 min
- Cloud cover
- 43%
- Humidity
- 63%
- Dew point
- 67°F
- Wind
- 6.0 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 |
|---|---|---|---|---|---|---|
| Aug 1 | 91°F | 72°F | 103°F 1980 | 60°F 1971 | 19% | 0% |
| Aug 2 | 91°F | 72°F | 101°F 1943 | 61°F 1965 | 19% | 0% |
| Aug 3 | 91°F | 72°F | 103°F 2008 | 62°F 1969 | 19% | 0% |
| Aug 4 | 91°F | 72°F | 104°F 2011 | 60°F 1974 | 19% | 0% |
| Aug 5 | 91°F | 71°F | 104°F 1964 | 61°F 1974 | 18% | 0% |
| Aug 6 | 91°F | 71°F | 101°F 1956 | 59°F 1948 | 18% | 0% |
| Aug 7 | 91°F | 71°F | 103°F 1956 | 60°F 2004 | 18% | 0% |
| Aug 8 | 90°F | 71°F | 109°F 2025 | 57°F 1989 | 18% | 0% |
| Aug 9 | 90°F | 71°F | 103°F 1943 | 57°F 1989 | 18% | 0% |
| Aug 10 | 90°F | 71°F | 106°F 1943 | 59°F 1989 | 18% | 0% |
| Aug 11 | 90°F | 71°F | 101°F 2006 | 62°F 1953 | 18% | 0% |
| Aug 12 | 90°F | 71°F | 104°F 1954 | 53°F 1967 | 18% | 0% |
| Aug 13 | 90°F | 71°F | 102°F 1954 | 54°F 2004 | 18% | 0% |
| Aug 14 | 90°F | 71°F | 104°F 1943 | 54°F 2004 | 17% | 0% |
| Aug 15 | 90°F | 71°F | 105°F 1943 | 55°F 1963 | 17% | 0% |
| Aug 16 | 90°F | 70°F | 107°F 1943 | 55°F 1963 | 17% | 0% |
| Aug 17 | 90°F | 70°F | 103°F 1954 | 53°F 1992 | 17% | 0% |
| Aug 18 | 90°F | 70°F | 103°F 1954 | 55°F 1992 | 17% | 0% |
| Aug 19 | 90°F | 70°F | 103°F 1954 | 59°F 1992 | 17% | 0% |
| Aug 20 | 90°F | 70°F | 101°F 1995 | 57°F 1940 | 16% | 0% |
| Aug 21 | 89°F | 70°F | 102°F 2006 | 55°F 1956 | 16% | 0% |
| Aug 22 | 89°F | 70°F | 101°F 1980 | 54°F 1956 | 16% | 0% |
| Aug 23 | 89°F | 69°F | 100°F 2000 | 55°F 1956 | 16% | 0% |
| Aug 24 | 89°F | 69°F | 100°F 1943 | 59°F 2009 | 16% | 0% |
| Aug 25 | 89°F | 69°F | 101°F 1943 | 57°F 1966 | 15% | 0% |
| Aug 26 | 89°F | 69°F | 103°F 1943 | 59°F 1966 | 15% | 0% |
| Aug 27 | 89°F | 69°F | 105°F 1943 | 57°F 1945 | 15% | 0% |
| Aug 28 | 89°F | 68°F | 102°F 2000 | 55°F 1967 | 15% | 0% |
| Aug 29 | 88°F | 68°F | 102°F 2000 | 50°F 1986 | 15% | 0% |
| Aug 30 | 88°F | 68°F | 104°F 2000 | 51°F 1986 | 15% | 0% |
| Aug 31 | 88°F | 68°F | 105°F 2000 | 55°F 1988 | 15% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- August 1
- sunrise 6:16 AM, sunset 8:07 PM
- August 31
- sunrise 6:38 AM, sunset 7:33 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00036376 (Saint Charles), public domain. Records: NOAA GHCN-Daily, station USC00036920, 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.