May weather in Martinez, CA
The average temperature in Martinez in May is 62.0°F (45.9°F–78.0°F). Average precipitation: 0.62 inches.
May is a spring month in Martinez, and is warmer than the annual average of 58.2°F. Daily temperatures swing about 32.1°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 14h 3m. For travel, May is a comfortable month to visit.
Avg High
78.0°F
Avg Low
45.9°F
Precipitation
0.62 in
Daylight
14h 3m
May records in Martinez
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 95.0°F (1996) | 39.9°F (2018) | 0.46 in (1995) |
| May 2 | 93.9°F (1990) | 37.9°F (2006) | 0.39 in (2009) |
| May 3 | 93.9°F (1990) | 42.1°F (1975) | 0.55 in (2003) |
| May 4 | 98.1°F (1990) | 41.0°F (2010) | 0.47 in (1998) |
| May 5 | 98.1°F (1987) | 39.9°F (1975) | 0.27 in (2005) |
| May 6 | 102.9°F (1987) | 39.0°F (1984) | 0.19 in (1983) |
| May 7 | 104.0°F (1987) | 41.0°F (1975) | 1.27 in (1994) |
| May 8 | 96.1°F (2001) | 37.9°F (1996) | 0.47 in (2000) |
| May 9 | 93.9°F (1992) | 41.0°F (1985) | 0.30 in (2005) |
| May 10 | 97.0°F (1987) | 41.0°F (1988) | 0.39 in (2005) |
| May 11 | 93.9°F (1988) | 39.0°F (2010) | 0.26 in (2010) |
| May 12 | 97.0°F (1972) | 34.0°F (1976) | 0.16 in (1998) |
| May 13 | 98.1°F (1972) | 39.9°F (2017) | 0.47 in (1998) |
| May 14 | 99.0°F (1987) | 39.9°F (2017) | 0.17 in (1995) |
| May 15 | 100.0°F (2008) | 39.0°F (2017) | 0.41 in (2000) |
| May 16 | 102.9°F (2008) | 41.0°F (1984) | 1.53 in (1996) |
| May 17 | 104.0°F (1997) | 41.0°F (1976) | 0.21 in (2019) |
| May 18 | 100.0°F (1997) | 39.0°F (1974) | 0.13 in (1996) |
| May 19 | 95.0°F (2016) | 42.1°F (1991) | 0.80 in (2019) |
| May 20 | 97.0°F (1988) | 39.9°F (2009) | 0.65 in (2002) |
| May 21 | 100.0°F (2001) | 39.9°F (2009) | 0.36 in (2002) |
| May 22 | 98.1°F (2000) | 42.1°F (1987) | 0.40 in (2006) |
| May 23 | 99.0°F (1982) | 42.1°F (2010) | 0.17 in (1990) |
| May 24 | 100.0°F (1982) | 41.0°F (2009) | 0.35 in (1997) |
| May 25 | 97.0°F (1979) | 39.9°F (2009) | 0.32 in (1993) |
| May 26 | 99.0°F (1974) | 43.0°F (1980) | 0.13 in (2010) |
| May 27 | 100.0°F (1984) | 43.0°F (1977) | 0.21 in (1990) |
| May 28 | 104.0°F (1984) | 41.0°F (2004) | 0.80 in (1990) |
| May 29 | 99.0°F (1973) | 42.1°F (1991) | 0.42 in (1998) |
| May 30 | 102.0°F (2001) | 41.0°F (1976) | 0.06 in (1990) |
| May 31 | 104.0°F (2001) | 41.0°F (2014) | 0.18 in (1993) |