May weather in Morro Bay, CA
The average temperature in Morro Bay in May is 59.3°F (51.7°F–66.9°F). Average precipitation: 0.42 inches.
May is a spring month in Morro Bay, and is cooler than the annual average of 59.5°F. Daily temperatures swing about 15.2°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 13h 52m. For travel, May is one of the best months of the year to visit.
Avg High
66.9°F
Avg Low
51.7°F
Precipitation
0.42 in
Daylight
13h 52m
May records in Morro Bay
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.9°F (1996) | 34.0°F (1991) | 0.21 in (2009) |
| May 2 | 93.0°F (2004) | 36.0°F (1991) | 1.04 in (2003) |
| May 3 | 89.1°F (2013) | 36.0°F (1991) | 0.26 in (1998) |
| May 4 | 91.9°F (2011) | 37.9°F (1964) | 1.22 in (1998) |
| May 5 | 78.1°F (2011) | 37.0°F (1975) | 0.22 in (1983) |
| May 6 | 78.1°F (2007) | 33.1°F (1965) | 0.15 in (2013) |
| May 7 | 91.0°F (1984) | 37.0°F (1965) | 0.38 in (1994) |
| May 8 | 81.0°F (1967) | 35.1°F (1991) | 0.35 in (1977) |
| May 9 | 91.0°F (1993) | 35.1°F (1991) | 0.83 in (1977) |
| May 10 | 81.0°F (1960) | 39.9°F (1986) | 0.27 in (1980) |
| May 11 | 77.0°F (1996) | 37.9°F (1986) | 0.06 in (1998) |
| May 12 | 81.0°F (1979) | 39.0°F (1990) | 0.36 in (1998) |
| May 13 | 93.0°F (1979) | 37.9°F (1991) | 0.08 in (1995) |
| May 14 | 100.0°F (2014) | 39.0°F (1999) | 0.18 in (1996) |
| May 15 | 90.0°F (2014) | 39.9°F (1974) | 0.20 in (1995) |
| May 16 | 98.1°F (1970) | 39.0°F (1974) | 0.87 in (1995) |
| May 17 | 93.0°F (1967) | 35.1°F (1991) | 0.23 in (1964) |
| May 18 | 78.1°F (1978) | 37.0°F (1974) | 0.12 in (2020) |
| May 19 | 88.0°F (1988) | 37.9°F (1991) | 0.23 in (1961) |
| May 20 | 77.0°F (2003) | 37.0°F (1962) | 0.78 in (2019) |
| May 21 | 82.0°F (2005) | 39.9°F (1962) | 2.23 in (2006) |
| May 22 | 84.0°F (1984) | 35.1°F (1965) | 0.03 in (1980) |
| May 23 | 73.0°F (2014) | 37.9°F (1980) | 0.21 in (1990) |
| May 24 | 75.9°F (1986) | 37.9°F (1980) | 0.28 in (1993) |
| May 25 | 80.1°F (1984) | 39.0°F (1980) | 0.28 in (1993) |
| May 26 | 82.9°F (2014) | 39.9°F (1980) | 0.05 in (1971) |
| May 27 | 87.1°F (2003) | 41.0°F (1989) | 0.69 in (1990) |
| May 28 | 84.9°F (1973) | 39.9°F (1989) | 0.58 in (1971) |
| May 29 | 79.0°F (1997) | 37.9°F (1988) | 0.08 in (2019) |
| May 30 | 86.0°F (1997) | 39.9°F (1988) | 0.19 in (1973) |
| May 31 | 88.0°F (1997) | 43.0°F (1989) | 0.04 in (1965) |