May weather in Chula Vista, CA
The average temperature in Chula Vista in May is 62.8°F (54.4°F–71.2°F). Average precipitation: 0.27 inches.
May is a spring month in Chula Vista, and is warmer than the annual average of 62.6°F. Daily temperatures swing about 16.8°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 13h 41m. For travel, May is one of the best months of the year to visit.
Avg High
71.2°F
Avg Low
54.4°F
Precipitation
0.27 in
Daylight
13h 41m
May records in Chula Vista
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 96.1°F (2014) | 41.0°F (1999) | 0.01 in (2007) |
| May 2 | 98.1°F (2004) | 45.0°F (2002) | 0.06 in (2018) |
| May 3 | 100.9°F (2004) | 46.9°F (2002) | 0.18 in (2003) |
| May 4 | 86.0°F (2018) | 46.9°F (1999) | 0.19 in (2023) |
| May 5 | 84.9°F (2020) | 43.0°F (1999) | 0.19 in (1998) |
| May 6 | 90.0°F (2004) | 44.1°F (2024) | 0.73 in (2016) |
| May 7 | 88.0°F (2007) | 46.0°F (2017) | 1.25 in (2017) |
| May 8 | 91.0°F (2007) | 48.9°F (2005) | 0.38 in (2015) |
| May 9 | 84.9°F (2025) | 46.9°F (2003) | 0.05 in (2015) |
| May 10 | 91.9°F (2025) | 42.1°F (2003) | 0.03 in (2023) |
| May 11 | 84.9°F (2025) | 45.0°F (2005) | 0.03 in (2019) |
| May 12 | 90.0°F (2013) | 44.1°F (2010) | 0.50 in (1998) |
| May 13 | 96.1°F (2013) | 48.0°F (2000) | 0.06 in (2025) |
| May 14 | 96.1°F (2014) | 45.0°F (1998) | 0.06 in (2015) |
| May 15 | 102.0°F (2014) | 46.0°F (1998) | 0.61 in (2015) |
| May 16 | 95.0°F (2008) | 46.9°F (2003) | 0.04 in (2019) |
| May 17 | 88.0°F (2008) | 48.0°F (1998) | 0.03 in (2025) |
| May 18 | 89.1°F (2008) | 48.0°F (1998) | 0.13 in (2011) |
| May 19 | 90.0°F (2008) | 46.0°F (1998) | 0.38 in (2019) |
| May 20 | 87.1°F (2017) | 52.0°F (2020) | 0.12 in (2019) |
| May 21 | 84.0°F (2025) | 51.1°F (1998) | 0.12 in (2019) |
| May 22 | 79.0°F (2005) | 46.9°F (2002) | 0.58 in (2006) |
| May 23 | 80.1°F (2001) | 46.9°F (2021) | 0.17 in (2008) |
| May 24 | 82.0°F (2006) | 46.0°F (2010) | 0.00 in (1998) |
| May 25 | 82.9°F (2021) | 46.9°F (2008) | 0.01 in (1998) |
| May 26 | 82.0°F (2020) | 50.0°F (1998) | 0.19 in (2019) |
| May 27 | 84.0°F (1997) | 45.0°F (1998) | 0.03 in (2001) |
| May 28 | 91.9°F (1997) | 46.0°F (2019) | 0.01 in (2001) |
| May 29 | 88.0°F (1997) | 48.9°F (2010) | 0.14 in (2011) |
| May 30 | 79.0°F (1997) | 43.0°F (2011) | 0.03 in (2016) |
| May 31 | 82.0°F (2004) | 48.0°F (2011) | 0.03 in (2009) |