San Clemente Weather in August
Average highs run from 80°F on August 1 to 82°F on August 31, and lows from 61°F to 60°F. Normal precipitation for the month is 0.02 in over about 0 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
- 81°F
- Average low
- 61°F
- Precipitation
- 0.02 in
- Record high
- 94°FAug 6, 1983
- Record low
- 47°FAug 9, 1975
- Chance of a freeze
- 0%
- Days of 90°F or more
- 0.8
- Daylight
- 13 h 47 min to 12 h 53 min
- Cloud cover
- 27%
- Humidity
- 59%
- Dew point
- 56°F
- Wind
- 5.8 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 80°F | 61°F | 86°F 1972 | 52°F 1975 | 1% |
| Aug 2 | 81°F | 61°F | 84°F 1980 | 55°F 1950 | 1% |
| Aug 3 | 81°F | 61°F | 86°F 1980 | 57°F 1951 | 1% |
| Aug 4 | 81°F | 61°F | 84°F 1971 | 51°F 1975 | 1% |
| Aug 5 | 81°F | 62°F | 83°F 1971 | 54°F 1975 | 1% |
| Aug 6 | 81°F | 62°F | 94°F 1983 | 54°F 1951 | 1% |
| Aug 7 | 81°F | 62°F | 93°F 1983 | 53°F 1951 | 1% |
| Aug 8 | 81°F | 62°F | 86°F 1971 | 52°F 1975 | 1% |
| Aug 9 | 81°F | 62°F | 85°F 1971 | 47°F 1975 | 1% |
| Aug 10 | 81°F | 62°F | 85°F 1969 | 48°F 1975 | 1% |
| Aug 11 | 81°F | 62°F | 83°F 1965 | 52°F 1975 | 1% |
| Aug 12 | 81°F | 62°F | 91°F 1991 | 52°F 1949 | 1% |
| Aug 13 | 81°F | 62°F | 85°F 1965 | 50°F 1975 | 1% |
| Aug 14 | 81°F | 62°F | 84°F 1965 | 53°F 1976 | 1% |
| Aug 15 | 81°F | 62°F | 83°F 1970 | 52°F 1950 | 1% |
| Aug 16 | 81°F | 61°F | 84°F 1970 | 54°F 1964 | 1% |
| Aug 17 | 81°F | 61°F | 83°F 1970 | 55°F 1976 | 1% |
| Aug 18 | 81°F | 61°F | 82°F 1966 | 55°F 1972 | 1% |
| Aug 19 | 81°F | 61°F | 89°F 1973 | 52°F 1995 | 1% |
| Aug 20 | 81°F | 61°F | 84°F 1977 | 53°F 1982 | 1% |
| Aug 21 | 82°F | 61°F | 82°F 1966 | 50°F 1975 | 1% |
| Aug 22 | 82°F | 61°F | 87°F 1972 | 51°F 1968 | 1% |
| Aug 23 | 82°F | 61°F | 85°F 1910 | 53°F 1968 | 1% |
| Aug 24 | 82°F | 61°F | 82°F 1968 | 51°F 1948 | 1% |
| Aug 25 | 82°F | 61°F | 83°F 1966 | 54°F 1975 | 1% |
| Aug 26 | 82°F | 61°F | 84°F 1915 | 53°F 1976 | 1% |
| Aug 27 | 82°F | 61°F | 86°F 1977 | 52°F 1976 | 1% |
| Aug 28 | 82°F | 61°F | 83°F 1971 | 48°F 1976 | 1% |
| Aug 29 | 82°F | 61°F | 83°F 1971 | 49°F 1976 | 1% |
| Aug 30 | 82°F | 60°F | 87°F 1972 | 50°F 1947 | 1% |
| Aug 31 | 82°F | 60°F | 86°F 1955 | 54°F 1963 | 1% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- August 1
- sunrise 6:03 AM, sunset 7:50 PM
- August 31
- sunrise 6:24 AM, sunset 7:17 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00044647 (Laguna Beach), public domain. Records: NOAA GHCN-Daily, station USC00046377, 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.