May weather in Brentwood, CA
The average temperature in Brentwood in May is 66.6°F (54.3°F–79.0°F). Average precipitation: 0.38 inches.
May is a spring month in Brentwood, and is warmer than the annual average of 62.5°F. Daily temperatures swing about 24.7°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 14h 3m. For travel, May is one of the best months of the year to visit.
Avg High
79.0°F
Avg Low
54.3°F
Precipitation
0.38 in
Daylight
14h 3m
May records in Brentwood
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 97.0°F (2011) | 36.0°F (1967) | 1.07 in (1977) |
| May 2 | 99.0°F (2011) | 39.0°F (1967) | 0.27 in (1971) |
| May 3 | 91.9°F (2013) | 39.0°F (1967) | 0.39 in (1971) |
| May 4 | 91.9°F (1990) | 35.1°F (1964) | 0.31 in (1956) |
| May 5 | 95.0°F (1990) | 35.1°F (1975) | 0.10 in (1986) |
| May 6 | 104.0°F (2011) | 37.9°F (1975) | 0.13 in (1998) |
| May 7 | 102.9°F (2011) | 36.0°F (1975) | 0.80 in (1994) |
| May 8 | 100.9°F (1987) | 36.0°F (1975) | 0.29 in (1955) |
| May 9 | 91.9°F (1984) | 36.0°F (1975) | 0.21 in (1963) |
| May 10 | 95.0°F (2014) | 42.1°F (1957) | 0.11 in (1966) |
| May 11 | 102.0°F (2011) | 41.0°F (1982) | 0.20 in (1963) |
| May 12 | 95.0°F (1959) | 35.1°F (1961) | 0.31 in (1998) |
| May 13 | 95.0°F (1976) | 42.1°F (1955) | 0.53 in (1998) |
| May 14 | 100.0°F (1976) | 36.0°F (1964) | 0.55 in (1995) |
| May 15 | 98.1°F (2008) | 37.9°F (1964) | 0.19 in (2019) |
| May 16 | 100.0°F (2008) | 37.0°F (1964) | 1.10 in (1996) |
| May 17 | 100.9°F (2008) | 41.0°F (1977) | 0.30 in (1988) |
| May 18 | 99.0°F (1997) | 32.0°F (2011) | 0.37 in (2019) |
| May 19 | 99.0°F (1997) | 39.9°F (1991) | 0.66 in (2019) |
| May 20 | 93.9°F (1978) | 42.1°F (1991) | 0.10 in (1957) |
| May 21 | 99.0°F (2000) | 42.1°F (1974) | 0.61 in (1957) |
| May 22 | 97.0°F (1955) | 44.1°F (1975) | 0.12 in (1996) |
| May 23 | 98.1°F (2000) | 46.9°F (1959) | 0.52 in (1958) |
| May 24 | 100.0°F (1982) | 42.1°F (1961) | 0.32 in (1997) |
| May 25 | 100.0°F (1982) | 42.1°F (1978) | 0.27 in (1993) |
| May 26 | 100.9°F (2020) | 42.1°F (1959) | 0.09 in (1977) |
| May 27 | 100.0°F (1974) | 41.0°F (1959) | 0.64 in (1990) |
| May 28 | 98.1°F (1984) | 43.0°F (1964) | 0.98 in (1990) |
| May 29 | 102.9°F (1984) | 43.0°F (1961) | 0.11 in (1998) |
| May 30 | 98.1°F (1978) | 41.0°F (1967) | 0.09 in (2020) |
| May 31 | 100.0°F (2021) | 44.1°F (1961) | 0.08 in (1993) |