May weather in Vista, CA
The average temperature in Vista in May is 63.1°F (55.2°F–71.0°F). Average precipitation: 0.35 inches.
May is a spring month in Vista, and is warmer than the annual average of 62.7°F. Daily temperatures swing about 15.8°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 13h 43m. For travel, May is one of the best months of the year to visit.
Avg High
71.0°F
Avg Low
55.2°F
Precipitation
0.35 in
Daylight
13h 43m
May records in Vista
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 98.1°F (2014) | 33.1°F (2007) | 0.15 in (1983) |
| May 2 | 96.1°F (2004) | 41.0°F (1967) | 0.04 in (1980) |
| May 3 | 98.1°F (2004) | 35.1°F (2007) | 0.27 in (2025) |
| May 4 | 98.1°F (2004) | 41.0°F (1967) | 0.21 in (2023) |
| May 5 | 98.1°F (2004) | 43.0°F (1964) | 0.34 in (2023) |
| May 6 | 93.0°F (1990) | 39.9°F (1967) | 0.36 in (1971) |
| May 7 | 98.1°F (1996) | 43.0°F (1964) | 0.40 in (2013) |
| May 8 | 93.0°F (1984) | 42.1°F (1965) | 1.25 in (2017) |
| May 9 | 91.0°F (1984) | 43.0°F (1964) | 1.19 in (1977) |
| May 10 | 91.0°F (2025) | 42.1°F (1979) | 0.23 in (1980) |
| May 11 | 88.0°F (1996) | 36.0°F (2004) | 0.07 in (2019) |
| May 12 | 97.0°F (1979) | 32.0°F (2003) | 0.09 in (1968) |
| May 13 | 99.0°F (1979) | 43.0°F (1967) | 0.16 in (1995) |
| May 14 | 100.0°F (2014) | 34.0°F (2004) | 0.14 in (1995) |
| May 15 | 100.9°F (2014) | 42.1°F (1968) | 0.76 in (2015) |
| May 16 | 95.0°F (2014) | 21.0°F (2004) | 0.25 in (2019) |
| May 17 | 89.1°F (1967) | 37.9°F (1962) | 0.19 in (2011) |
| May 18 | 93.9°F (2008) | 42.1°F (1977) | 0.68 in (2011) |
| May 19 | 90.0°F (2008) | 46.0°F (1974) | 0.38 in (2019) |
| May 20 | 88.0°F (2017) | 42.1°F (1974) | 0.17 in (1972) |
| May 21 | 86.0°F (2005) | 42.1°F (1962) | 0.04 in (1980) |
| May 22 | 86.0°F (1967) | 42.1°F (1962) | 0.55 in (2006) |
| May 23 | 84.0°F (1967) | 46.0°F (1971) | 0.26 in (2008) |
| May 24 | 79.0°F (1984) | 45.0°F (1980) | 0.21 in (1977) |
| May 25 | 84.9°F (1974) | 45.0°F (1965) | 0.06 in (2018) |
| May 26 | 84.0°F (1968) | 45.0°F (1977) | 0.03 in (1982) |
| May 27 | 88.0°F (2000) | 43.0°F (1964) | 0.17 in (2001) |
| May 28 | 97.0°F (1984) | 42.1°F (1964) | 0.67 in (1990) |
| May 29 | 95.0°F (1978) | 46.9°F (1964) | 0.08 in (2011) |
| May 30 | 91.0°F (1997) | 46.9°F (2011) | 0.05 in (2018) |
| May 31 | 86.0°F (1997) | 48.0°F (1988) | 0.10 in (1973) |