Guadalupe County Weather in August
Average highs run from 92°F on August 1 to 90°F on August 31, and lows from 61°F to 58°F. Normal precipitation for the month is 2.16 in over about 8 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
- 91°F
- Average low
- 60°F
- Precipitation
- 2.16 in
- Record high
- 104°FAug 1, 1938
- Record low
- 42°FAug 2, 1997
- Chance of a freeze
- 0%
- Days of 90°F or more
- 19.5
- Daylight
- 13 h 53 min to 12 h 56 min
- Cloud cover
- 49%
- Humidity
- 49%
- Dew point
- 52°F
- Wind
- 8.1 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 | 92°F | 61°F | 104°F 1938 | 53°F 1971 | 27% | 0% |
| Aug 2 | 92°F | 61°F | 102°F 1934 | 42°F 1997 | 27% | 0% |
| Aug 3 | 92°F | 61°F | 101°F 1959 | 55°F 2000 | 27% | 0% |
| Aug 4 | 92°F | 61°F | 102°F 1934 | 55°F 1971 | 27% | 0% |
| Aug 5 | 92°F | 61°F | 100°F 1934 | 54°F 1949 | 27% | 0% |
| Aug 6 | 92°F | 61°F | 102°F 1964 | 53°F 1998 | 27% | 0% |
| Aug 7 | 92°F | 61°F | 104°F 1931 | 54°F 1925 | 27% | 0% |
| Aug 8 | 92°F | 61°F | 102°F 1962 | 53°F 1998 | 27% | 0% |
| Aug 9 | 92°F | 61°F | 101°F 1962 | 54°F 1971 | 27% | 0% |
| Aug 10 | 92°F | 61°F | 100°F 1938 | 55°F 1978 | 27% | 0% |
| Aug 11 | 92°F | 61°F | 100°F 1919 | 55°F 1939 | 26% | 0% |
| Aug 12 | 92°F | 61°F | 101°F 2002 | 51°F 1960 | 26% | 0% |
| Aug 13 | 92°F | 61°F | 100°F 1962 | 51°F 1931 | 26% | 0% |
| Aug 14 | 92°F | 61°F | 101°F 1970 | 52°F 1931 | 26% | 0% |
| Aug 15 | 92°F | 60°F | 102°F 1962 | 50°F 2002 | 26% | 0% |
| Aug 16 | 92°F | 60°F | 102°F 1958 | 52°F 1931 | 25% | 0% |
| Aug 17 | 92°F | 60°F | 104°F 1994 | 50°F 1931 | 25% | 0% |
| Aug 18 | 91°F | 60°F | 103°F 1969 | 50°F 1931 | 25% | 0% |
| Aug 19 | 91°F | 60°F | 101°F 1930 | 52°F 1931 | 25% | 0% |
| Aug 20 | 91°F | 60°F | 102°F 2007 | 50°F 1931 | 25% | 0% |
| Aug 21 | 91°F | 60°F | 100°F 2007 | 53°F 1980 | 24% | 0% |
| Aug 22 | 91°F | 59°F | 98°F 1919 | 50°F 1920 | 24% | 0% |
| Aug 23 | 91°F | 59°F | 100°F 1973 | 51°F 1931 | 24% | 0% |
| Aug 24 | 91°F | 59°F | 100°F 1936 | 47°F 1968 | 24% | 0% |
| Aug 25 | 91°F | 59°F | 102°F 2019 | 52°F 1966 | 23% | 0% |
| Aug 26 | 91°F | 59°F | 101°F 2019 | 49°F 2001 | 23% | 0% |
| Aug 27 | 90°F | 59°F | 100°F 1962 | 48°F 2002 | 23% | 0% |
| Aug 28 | 90°F | 58°F | 100°F 1962 | 51°F 1988 | 22% | 0% |
| Aug 29 | 90°F | 58°F | 102°F 2019 | 46°F 1976 | 22% | 0% |
| Aug 30 | 90°F | 58°F | 99°F 1981 | 48°F 1987 | 22% | 0% |
| Aug 31 | 90°F | 58°F | 98°F 1936 | 48°F 1944 | 22% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- August 1
- sunrise 6:09 AM, sunset 8:02 PM
- August 31
- sunrise 6:31 AM, sunset 7:27 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00298107 (Santa Rosa), public domain. Records: NOAA GHCN-Daily, station USC00298107, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.