Chouteau County Weather in August
Average highs run from 90°F on August 1 to 81°F on August 31, and lows from 54°F to 46°F. Normal precipitation for the month is 1.17 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
- 87°F
- Average low
- 51°F
- Precipitation
- 1.17 in
- Record high
- 109°FAug 5, 1961
- Record low
- 29°FAug 24, 1910
- Chance of a freeze
- 6%
- Days of 90°F or more
- 12.9
- Daylight
- 14 h 58 min to 13 h 25 min
- Cloud cover
- 50%
- Humidity
- 47%
- Dew point
- 46°F
- Wind
- 8.5 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 | 90°F | 54°F | 105°F 1908 | 44°F 1968 | 17% | 0% |
| Aug 2 | 90°F | 54°F | 106°F 2026 | 42°F 1963 | 17% | 0% |
| Aug 3 | 90°F | 54°F | 103°F 1961 | 38°F 1978 | 17% | 0% |
| Aug 4 | 90°F | 54°F | 104°F 1961 | 39°F 1978 | 17% | 0% |
| Aug 5 | 90°F | 54°F | 109°F 1961 | 40°F 1940 | 17% | 0% |
| Aug 6 | 90°F | 53°F | 105°F 1949 | 43°F 1940 | 17% | 0% |
| Aug 7 | 89°F | 53°F | 102°F 1949 | 39°F 1969 | 17% | 0% |
| Aug 8 | 89°F | 53°F | 102°F 1991 | 42°F 1977 | 17% | 0% |
| Aug 9 | 89°F | 53°F | 106°F 1940 | 38°F 1946 | 17% | 0% |
| Aug 10 | 89°F | 53°F | 106°F 1984 | 37°F 1977 | 17% | 0% |
| Aug 11 | 88°F | 52°F | 104°F 2018 | 36°F 1977 | 17% | 0% |
| Aug 12 | 88°F | 52°F | 109°F 1940 | 33°F 1987 | 17% | 0% |
| Aug 13 | 88°F | 52°F | 100°F 1940 | 41°F 1968 | 17% | 0% |
| Aug 14 | 88°F | 51°F | 102°F 2015 | 34°F 1895 | 17% | 0% |
| Aug 15 | 87°F | 51°F | 104°F 2003 | 37°F 1943 | 17% | 0% |
| Aug 16 | 87°F | 51°F | 102°F 2023 | 39°F 2012 | 17% | 0% |
| Aug 17 | 87°F | 51°F | 100°F 2013 | 34°F 2002 | 17% | 0% |
| Aug 18 | 86°F | 50°F | 104°F 2023 | 37°F 1946 | 17% | 0% |
| Aug 19 | 86°F | 50°F | 99°F 1992 | 36°F 1956 | 18% | 0% |
| Aug 20 | 85°F | 50°F | 100°F 1942 | 36°F 1956 | 18% | 0% |
| Aug 21 | 85°F | 49°F | 98°F 1969 | 37°F 1945 | 18% | 0% |
| Aug 22 | 85°F | 49°F | 99°F 1952 | 37°F 1992 | 18% | 0% |
| Aug 23 | 84°F | 49°F | 100°F 1997 | 31°F 2015 | 18% | 0% |
| Aug 24 | 84°F | 48°F | 104°F 1969 | 29°F 1910 | 18% | 0% |
| Aug 25 | 84°F | 48°F | 100°F 1970 | 29°F 1992 | 18% | 0% |
| Aug 26 | 83°F | 48°F | 98°F 1898 | 37°F 1960 | 18% | 0% |
| Aug 27 | 83°F | 47°F | 102°F 2010 | 36°F 1909 | 19% | 0% |
| Aug 28 | 83°F | 47°F | 97°F 2012 | 34°F 1977 | 19% | 0% |
| Aug 29 | 82°F | 47°F | 100°F 2012 | 33°F 1965 | 19% | 0% |
| Aug 30 | 82°F | 46°F | 103°F 1999 | 32°F 1959 | 19% | 0% |
| Aug 31 | 81°F | 46°F | 103°F 1940 | 35°F 1969 | 19% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- August 1
- sunrise 5:59 AM, sunset 8:57 PM
- August 31
- sunrise 6:39 AM, sunset 8:04 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00245153 (Loma), public domain. Records: NOAA GHCN-Daily, station USC00243113, 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.