April weather in San Diego, CA
The average temperature in San Diego in April is 61.5°F (52.4°F–70.7°F). Average precipitation: 0.77 inches.
April is a spring month in San Diego, and is cooler than the annual average of 64.1°F. Daily temperatures swing about 18.3°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 12h 49m. For travel, April is one of the best months of the year to visit.
Avg High
70.7°F
Avg Low
52.4°F
Precipitation
0.77 in
Daylight
12h 49m
April records in San Diego
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 90.0°F (2021) | 39.9°F (1999) | 0.54 in (1999) |
| April 2 | 80.1°F (2005) | 37.0°F (1999) | 0.03 in (2022) |
| April 3 | 86.0°F (2015) | 44.1°F (1999) | 0.16 in (2025) |
| April 4 | 84.9°F (2026) | 41.0°F (2023) | 0.66 in (2006) |
| April 5 | 82.9°F (2017) | 39.9°F (1999) | 0.48 in (2006) |
| April 6 | 88.0°F (2005) | 42.1°F (2003) | 1.00 in (2020) |
| April 7 | 97.0°F (2022) | 44.1°F (1999) | 0.57 in (2020) |
| April 8 | 98.1°F (2022) | 43.0°F (1998) | 0.10 in (2011) |
| April 9 | 91.0°F (2014) | 42.1°F (2001) | 0.77 in (2020) |
| April 10 | 90.0°F (2018) | 37.9°F (1999) | 1.41 in (2020) |
| April 11 | 84.0°F (2008) | 44.1°F (1999) | 0.40 in (1999) |
| April 12 | 93.0°F (2008) | 46.0°F (1999) | 0.62 in (2010) |
| April 13 | 93.9°F (2008) | 45.0°F (1998) | 0.42 in (2012) |
| April 14 | 87.1°F (2018) | 46.0°F (2022) | 1.29 in (2003) |
| April 15 | 84.0°F (1999) | 43.0°F (2012) | 0.38 in (1998) |
| April 16 | 89.1°F (1999) | 43.0°F (1998) | 0.07 in (2022) |
| April 17 | 89.1°F (2016) | 43.0°F (2015) | 0.43 in (2000) |
| April 18 | 91.0°F (2016) | 46.9°F (1998) | 0.05 in (2020) |
| April 19 | 93.0°F (2009) | 44.1°F (2007) | 0.04 in (2020) |
| April 20 | 100.0°F (2009) | 45.0°F (2005) | 0.62 in (2007) |
| April 21 | 87.1°F (2009) | 46.9°F (2001) | 0.22 in (2010) |
| April 22 | 86.0°F (2017) | 43.0°F (2001) | 0.31 in (2010) |
| April 23 | 82.9°F (2020) | 43.0°F (2010) | 0.15 in (2006) |
| April 24 | 89.1°F (2020) | 50.0°F (2007) | 0.20 in (2002) |
| April 25 | 89.1°F (2020) | 50.0°F (2005) | 0.32 in (2012) |
| April 26 | 97.0°F (2004) | 48.9°F (2009) | 0.32 in (2002) |
| April 27 | 96.1°F (2008) | 50.0°F (2003) | 0.03 in (2025) |
| April 28 | 93.0°F (2008) | 48.0°F (2002) | 0.40 in (2005) |
| April 29 | 93.0°F (2014) | 48.0°F (2002) | 0.10 in (2019) |
| April 30 | 91.0°F (2014) | 48.0°F (1999) | 0.15 in (2019) |