May weather in San Juan Capistrano, CA
The average temperature in San Juan Capistrano in May is 64.5°F (54.5°F–74.5°F). Average precipitation: 0.20 inches.
May is a spring month in San Juan Capistrano, and is warmer than the annual average of 63.1°F. Daily temperatures swing about 20°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 13h 44m. For travel, May is one of the best months of the year to visit.
Avg High
74.5°F
Avg Low
54.5°F
Precipitation
0.20 in
Daylight
13h 44m
May records in San Juan Capistrano
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (1947) | 36.0°F (1979) | 1.12 in (1955) |
| May 2 | 100.0°F (2004) | 37.9°F (1979) | 0.33 in (1955) |
| May 3 | 99.0°F (2004) | 39.9°F (1955) | 0.54 in (2003) |
| May 4 | 96.1°F (2004) | 35.1°F (1950) | 0.39 in (1982) |
| May 5 | 89.1°F (1953) | 36.0°F (1950) | 0.48 in (1930) |
| May 6 | 90.0°F (1953) | 37.0°F (1950) | 0.20 in (1998) |
| May 7 | 91.9°F (2007) | 37.9°F (1950) | 0.15 in (1971) |
| May 8 | 91.0°F (2007) | 33.1°F (1950) | 0.83 in (1977) |
| May 9 | 90.0°F (2007) | 35.1°F (1950) | 0.50 in (1977) |
| May 10 | 86.0°F (1993) | 37.9°F (1950) | 0.46 in (1946) |
| May 11 | 84.9°F (1934) | 43.0°F (1950) | 0.32 in (1957) |
| May 12 | 84.9°F (2002) | 41.0°F (1998) | 0.27 in (1977) |
| May 13 | 96.1°F (1979) | 43.0°F (1951) | 0.26 in (1998) |
| May 14 | 82.9°F (1956) | 43.0°F (1977) | 0.28 in (1949) |
| May 15 | 91.9°F (1956) | 41.0°F (1977) | 0.55 in (1962) |
| May 16 | 91.9°F (1956) | 39.9°F (1977) | 0.07 in (1938) |
| May 17 | 88.0°F (1967) | 43.0°F (1962) | 0.17 in (1949) |
| May 18 | 89.1°F (1978) | 44.1°F (1949) | 0.10 in (1994) |
| May 19 | 89.1°F (1978) | 41.0°F (1958) | 0.22 in (1957) |
| May 20 | 90.0°F (1942) | 41.0°F (1948) | 0.35 in (1972) |
| May 21 | 90.0°F (1942) | 41.0°F (1948) | 0.21 in (1957) |
| May 22 | 86.0°F (1941) | 41.0°F (1975) | 0.50 in (2006) |
| May 23 | 80.1°F (1938) | 44.1°F (1960) | 0.08 in (1937) |
| May 24 | 88.0°F (1932) | 43.0°F (1951) | 0.12 in (1977) |
| May 25 | 86.0°F (1939) | 37.9°F (1950) | 0.55 in (1931) |
| May 26 | 86.0°F (1939) | 39.9°F (1953) | 0.45 in (1937) |
| May 27 | 82.0°F (1939) | 42.1°F (1980) | 0.15 in (2001) |
| May 28 | 88.0°F (1997) | 42.1°F (1980) | 1.45 in (1990) |
| May 29 | 91.0°F (1978) | 42.1°F (1980) | 0.02 in (1988) |
| May 30 | 90.0°F (1978) | 43.0°F (1980) | 0.01 in (1971) |
| May 31 | 81.0°F (2004) | 39.0°F (1980) | 0.04 in (1973) |