San Clemente Weather in May
Average highs run from 74°F on May 1 to 75°F on May 31, and lows from 52°F to 57°F. Normal precipitation for the month is 0.20 in over about 1 wet days.
May day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 75°F
- Average low
- 55°F
- Precipitation
- 0.20 in
- Record high
- 95°FMay 13, 2014
- Record low
- 38°FMay 18, 1974
- Chance of a freeze
- 0%
- Daylight
- 13 h 31 min to 14 h 13 min
- Cloud cover
- 43%
- Humidity
- 70%
- Dew point
- 51°F
- Wind
- 6.7 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 |
|---|---|---|---|---|---|
| May 1 | 74°F | 52°F | 89°F 2014 | 43°F 1948 | 6% |
| May 2 | 74°F | 52°F | 83°F 1970 | 42°F 1976 | 6% |
| May 3 | 74°F | 52°F | 85°F 1953 | 43°F 1954 | 6% |
| May 4 | 74°F | 53°F | 85°F 1953 | 40°F 1975 | 6% |
| May 5 | 74°F | 53°F | 84°F 1953 | 40°F 1950 | 6% |
| May 6 | 74°F | 53°F | 78°F 2007 | 44°F 1967 | 6% |
| May 7 | 74°F | 53°F | 75°F 1953 | 44°F 1915 | 5% |
| May 8 | 74°F | 53°F | 76°F 2007 | 41°F 1950 | 5% |
| May 9 | 75°F | 53°F | 74°F 1963 | 40°F 1950 | 5% |
| May 10 | 75°F | 54°F | 73°F 1984 | 42°F 1964 | 5% |
| May 11 | 75°F | 54°F | 73°F 1960 | 45°F 1953 | 5% |
| May 12 | 75°F | 54°F | 80°F 2014 | 45°F 1976 | 5% |
| May 13 | 75°F | 54°F | 95°F 2014 | 45°F 1947 | 5% |
| May 14 | 75°F | 54°F | 90°F 2014 | 43°F 1975 | 5% |
| May 15 | 75°F | 54°F | 85°F 2014 | 44°F 1975 | 5% |
| May 16 | 75°F | 55°F | 84°F 1956 | 45°F 1961 | 4% |
| May 17 | 75°F | 55°F | 89°F 1956 | 44°F 1962 | 4% |
| May 18 | 75°F | 55°F | 78°F 1971 | 38°F 1974 | 4% |
| May 19 | 75°F | 55°F | 78°F 1971 | 44°F 1975 | 4% |
| May 20 | 75°F | 55°F | 73°F 1960 | 42°F 1948 | 4% |
| May 21 | 75°F | 55°F | 75°F 1978 | 41°F 1948 | 4% |
| May 22 | 75°F | 56°F | 78°F 1982 | 44°F 1948 | 4% |
| May 23 | 75°F | 56°F | 74°F 1966 | 45°F 1975 | 4% |
| May 24 | 75°F | 56°F | 73°F 1966 | 42°F 1975 | 4% |
| May 25 | 75°F | 56°F | 78°F 1982 | 44°F 1916 | 4% |
| May 26 | 75°F | 56°F | 75°F 1968 | 44°F 1953 | 4% |
| May 27 | 75°F | 56°F | 81°F 1915 | 44°F 1975 | 4% |
| May 28 | 75°F | 56°F | 76°F 1915 | 46°F 1976 | 4% |
| May 29 | 75°F | 56°F | 76°F 1978 | 45°F 1976 | 4% |
| May 30 | 75°F | 57°F | 76°F 1972 | 42°F 1953 | 4% |
| May 31 | 75°F | 57°F | 74°F 1976 | 48°F 1988 | 4% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- May 1
- sunrise 6:02 AM, sunset 7:33 PM
- May 31
- sunrise 5:42 AM, sunset 7:55 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.