May weather in Gilroy, CA
The average temperature in Gilroy in May is 63.1°F (49.0°F–77.3°F). Average precipitation: 0.56 inches.
May is a spring month in Gilroy, and is warmer than the annual average of 60.2°F. Daily temperatures swing about 28.3°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 13h 59m. For travel, May is a comfortable month to visit.
Avg High
77.3°F
Avg Low
49.0°F
Precipitation
0.56 in
Daylight
13h 59m
May records in Gilroy
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 99.0°F (1996) | 36.0°F (1967) | 0.49 in (1977) |
| May 2 | 97.0°F (1996) | 36.0°F (1964) | 0.64 in (2009) |
| May 3 | 97.0°F (1966) | 37.0°F (1959) | 0.80 in (2003) |
| May 4 | 98.1°F (2004) | 30.9°F (1959) | 0.41 in (1964) |
| May 5 | 100.0°F (1990) | 37.0°F (1965) | 0.53 in (1915) |
| May 6 | 100.0°F (1987) | 34.0°F (1970) | 0.14 in (2005) |
| May 7 | 100.0°F (1987) | 37.0°F (1964) | 0.60 in (1994) |
| May 8 | 96.1°F (2001) | 36.0°F (1964) | 0.34 in (1977) |
| May 9 | 99.0°F (2001) | 30.9°F (1964) | 0.40 in (1977) |
| May 10 | 91.9°F (1993) | 35.1°F (1964) | 0.23 in (1967) |
| May 11 | 93.0°F (1987) | 37.9°F (1963) | 0.30 in (1963) |
| May 12 | 96.1°F (1988) | 37.9°F (1963) | 0.20 in (1998) |
| May 13 | 105.1°F (1976) | 37.9°F (1980) | 0.25 in (1998) |
| May 14 | 102.9°F (1976) | 37.9°F (1980) | 0.07 in (1995) |
| May 15 | 99.0°F (1972) | 39.0°F (2015) | 0.30 in (2011) |
| May 16 | 102.9°F (1970) | 39.0°F (1974) | 1.87 in (1996) |
| May 17 | 100.9°F (1970) | 37.9°F (1974) | 0.43 in (1915) |
| May 18 | 106.0°F (1997) | 37.0°F (1974) | 0.35 in (1957) |
| May 19 | 100.0°F (2008) | 39.0°F (1974) | 1.15 in (1957) |
| May 20 | 99.0°F (2008) | 37.0°F (1962) | 0.55 in (2002) |
| May 21 | 98.1°F (1988) | 39.0°F (1962) | 0.39 in (2002) |
| May 22 | 97.0°F (1967) | 37.9°F (1960) | 0.15 in (1958) |
| May 23 | 91.9°F (1967) | 33.1°F (2008) | 0.22 in (1958) |
| May 24 | 97.0°F (1982) | 34.0°F (2008) | 0.25 in (1912) |
| May 25 | 98.1°F (1982) | 34.0°F (2008) | 0.55 in (1993) |
| May 26 | 102.0°F (2020) | 41.0°F (1978) | 0.91 in (1906) |
| May 27 | 100.9°F (1974) | 42.1°F (1959) | 0.26 in (1990) |
| May 28 | 102.0°F (1984) | 42.1°F (1976) | 1.15 in (1990) |
| May 29 | 100.0°F (1973) | 42.1°F (1977) | 0.30 in (1998) |
| May 30 | 100.9°F (1978) | 35.1°F (1982) | 0.20 in (2020) |
| May 31 | 100.0°F (1978) | 39.9°F (1971) | 0.20 in (1993) |