May weather in San Carlos, CA
The average temperature in San Carlos in May is 61.6°F (50.4°F–72.9°F). Average precipitation: 0.46 inches.
May is a spring month in San Carlos, and is warmer than the annual average of 59.4°F. Daily temperatures swing about 22.5°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 14h 1m. For travel, May is one of the best months of the year to visit.
Avg High
72.9°F
Avg Low
50.4°F
Precipitation
0.46 in
Daylight
14h 1m
May records in San Carlos
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 95.0°F (1947) | 37.9°F (1967) | 0.37 in (1995) |
| May 2 | 91.9°F (2013) | 39.9°F (1950) | 0.37 in (2003) |
| May 3 | 93.0°F (2017) | 37.9°F (1939) | 0.57 in (1951) |
| May 4 | 91.0°F (1990) | 36.0°F (1950) | 0.95 in (2024) |
| May 5 | 95.0°F (1987) | 37.0°F (1952) | 0.70 in (1915) |
| May 6 | 96.1°F (1987) | 37.9°F (1968) | 0.24 in (1994) |
| May 7 | 95.0°F (1987) | 37.9°F (1975) | 0.80 in (1994) |
| May 8 | 93.0°F (2001) | 36.0°F (1933) | 0.41 in (1977) |
| May 9 | 93.0°F (1931) | 39.9°F (1933) | 0.53 in (1956) |
| May 10 | 93.0°F (1934) | 37.9°F (1933) | 0.37 in (1915) |
| May 11 | 95.0°F (1934) | 39.9°F (1982) | 0.46 in (1915) |
| May 12 | 100.9°F (1976) | 39.9°F (1948) | 0.28 in (1998) |
| May 13 | 100.0°F (1976) | 39.9°F (1977) | 0.58 in (1995) |
| May 14 | 95.0°F (1972) | 36.0°F (1933) | 0.26 in (1995) |
| May 15 | 97.0°F (1970) | 39.0°F (1932) | 0.58 in (2019) |
| May 16 | 98.1°F (1997) | 39.9°F (1955) | 0.49 in (1996) |
| May 17 | 96.1°F (2009) | 39.9°F (1977) | 0.47 in (1994) |
| May 18 | 91.9°F (1952) | 39.0°F (1933) | 1.33 in (1957) |
| May 19 | 91.9°F (1952) | 36.0°F (1933) | 0.50 in (2019) |
| May 20 | 93.9°F (1942) | 42.1°F (1945) | 0.70 in (1957) |
| May 21 | 93.9°F (1988) | 39.9°F (1974) | 0.66 in (1939) |
| May 22 | 95.0°F (1943) | 42.1°F (1949) | 0.14 in (1939) |
| May 23 | 98.1°F (1943) | 41.0°F (1975) | 0.37 in (1997) |
| May 24 | 100.0°F (1982) | 42.1°F (1961) | 0.48 in (1931) |
| May 25 | 99.0°F (1982) | 39.9°F (1980) | 0.91 in (1942) |
| May 26 | 98.1°F (1974) | 39.9°F (1980) | 0.27 in (1906) |
| May 27 | 98.1°F (1984) | 43.0°F (1961) | 0.41 in (1990) |
| May 28 | 96.1°F (1984) | 41.0°F (1977) | 0.78 in (1906) |
| May 29 | 102.0°F (1950) | 39.9°F (1940) | 0.15 in (1998) |
| May 30 | 100.9°F (1950) | 43.0°F (1935) | 0.14 in (1948) |
| May 31 | 99.0°F (2001) | 42.1°F (1933) | 0.20 in (1993) |