May weather in San Diego, TX
The average temperature in San Diego in May is 80.4°F (70.5°F–90.3°F). Average precipitation: 3.49 inches.
May is a spring month in San Diego, and is warmer than the annual average of 74°F. Daily temperatures swing about 19.8°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 13h 23m. For travel, May is hot.
Avg High
90.3°F
Avg Low
70.5°F
Precipitation
3.49 in
Daylight
13h 23m
May records in San Diego
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 102.9°F (2002) | 43.0°F (1925) | 4.00 in (1966) |
| May 2 | 104.0°F (2002) | 45.0°F (1925) | 3.30 in (1972) |
| May 3 | 102.0°F (2002) | 44.1°F (1929) | 2.34 in (1941) |
| May 4 | 105.1°F (1984) | 43.0°F (1954) | 1.30 in (1918) |
| May 5 | 108.0°F (1999) | 50.0°F (1944) | 4.07 in (1918) |
| May 6 | 104.0°F (1984) | 51.1°F (1944) | 2.05 in (1912) |
| May 7 | 100.9°F (1984) | 50.0°F (1917) | 1.30 in (2001) |
| May 8 | 102.0°F (1939) | 46.0°F (1917) | 2.70 in (1990) |
| May 9 | 105.1°F (1967) | 53.1°F (1984) | 4.10 in (1936) |
| May 10 | 102.9°F (1998) | 55.0°F (1984) | 2.10 in (1903) |
| May 11 | 105.1°F (2006) | 55.0°F (1940) | 1.90 in (1971) |
| May 12 | 104.0°F (1967) | 53.1°F (1931) | 1.05 in (1979) |
| May 13 | 102.9°F (1967) | 52.0°F (1960) | 1.00 in (1914) |
| May 14 | 104.0°F (1995) | 54.0°F (1976) | 2.20 in (1922) |
| May 15 | 99.0°F (1967) | 55.0°F (1917) | 1.60 in (1970) |
| May 16 | 100.9°F (2003) | 50.0°F (1912) | 1.95 in (1997) |
| May 17 | 100.9°F (1978) | 54.0°F (1924) | 3.05 in (1920) |
| May 18 | 100.0°F (1925) | 55.0°F (1945) | 3.00 in (1999) |
| May 19 | 100.0°F (1923) | 55.9°F (2002) | 2.00 in (1931) |
| May 20 | 102.0°F (1923) | 55.0°F (1894) | 2.70 in (1911) |
| May 21 | 100.9°F (2001) | 45.0°F (1894) | 1.92 in (1959) |
| May 22 | 104.0°F (1916) | 57.9°F (1929) | 1.85 in (1941) |
| May 23 | 102.0°F (1957) | 55.9°F (1928) | 2.40 in (1935) |
| May 24 | 104.0°F (1925) | 57.0°F (1913) | 1.94 in (1941) |
| May 25 | 105.1°F (1955) | 57.0°F (1940) | 1.15 in (1981) |
| May 26 | 100.9°F (1928) | 59.0°F (1913) | 6.64 in (2007) |
| May 27 | 107.1°F (1955) | 59.0°F (1913) | 0.82 in (1970) |
| May 28 | 108.0°F (1927) | 59.0°F (1976) | 1.79 in (1957) |
| May 29 | 100.0°F (1916) | 60.1°F (1894) | 2.40 in (1943) |
| May 30 | 102.0°F (1916) | 59.0°F (1984) | 1.71 in (1920) |
| May 31 | 102.0°F (1962) | 57.0°F (1984) | 2.35 in (1987) |