April weather in Oceanside, CA
The average temperature in Oceanside in April is 58.3°F (47.6°F–68.9°F). Average precipitation: 0.87 inches.
April is a spring month in Oceanside, and is cooler than the annual average of 61°F. Daily temperatures swing about 21.3°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 12h 50m. For travel, April is a comfortable month to visit.
Avg High
68.9°F
Avg Low
47.6°F
Precipitation
0.87 in
Daylight
12h 50m
April records in Oceanside
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 88.0°F (2021) | 37.0°F (2000) | 0.38 in (2004) |
| April 2 | 77.0°F (2005) | 37.9°F (2012) | 0.12 in (2014) |
| April 3 | 82.0°F (2015) | 37.9°F (2012) | 0.05 in (2001) |
| April 4 | 82.0°F (2026) | 37.0°F (2023) | 0.81 in (2006) |
| April 5 | 79.0°F (2009) | 37.9°F (2009) | 0.30 in (2024) |
| April 6 | 84.0°F (2005) | 37.9°F (2009) | 1.00 in (2020) |
| April 7 | 98.1°F (2022) | 37.0°F (2025) | 0.83 in (2001) |
| April 8 | 95.0°F (2022) | 37.0°F (2012) | 0.23 in (2020) |
| April 9 | 82.0°F (2014) | 37.0°F (2012) | 1.08 in (2020) |
| April 10 | 84.9°F (2018) | 39.0°F (2013) | 2.16 in (2020) |
| April 11 | 79.0°F (2008) | 41.0°F (2013) | 0.15 in (2012) |
| April 12 | 91.9°F (2008) | 41.0°F (2012) | 0.78 in (2010) |
| April 13 | 88.0°F (2008) | 39.9°F (2022) | 0.36 in (2012) |
| April 14 | 84.0°F (2018) | 39.9°F (2022) | 1.75 in (2003) |
| April 15 | 78.1°F (2011) | 37.9°F (2012) | 0.09 in (2002) |
| April 16 | 82.9°F (2015) | 41.0°F (2009) | 0.01 in (2001) |
| April 17 | 84.9°F (2016) | 37.9°F (2009) | 0.14 in (2004) |
| April 18 | 86.0°F (2021) | 37.9°F (2018) | 0.25 in (2000) |
| April 19 | 90.0°F (2009) | 37.9°F (2013) | 0.06 in (2018) |
| April 20 | 98.1°F (2009) | 39.9°F (2025) | 0.62 in (2007) |
| April 21 | 86.0°F (2009) | 42.1°F (2002) | 0.45 in (2010) |
| April 22 | 82.0°F (2017) | 39.9°F (2002) | 0.74 in (2010) |
| April 23 | 81.0°F (2020) | 39.9°F (2010) | 0.04 in (2006) |
| April 24 | 84.0°F (2022) | 43.0°F (2006) | 0.17 in (2002) |
| April 25 | 86.0°F (2022) | 43.0°F (2006) | 0.24 in (2012) |
| April 26 | 91.0°F (2004) | 44.1°F (2008) | 0.42 in (2012) |
| April 27 | 97.0°F (2008) | 39.9°F (2021) | 0.01 in (2005) |
| April 28 | 91.0°F (2008) | 39.9°F (2021) | 0.83 in (2005) |
| April 29 | 95.0°F (2014) | 42.1°F (2002) | 0.42 in (2019) |
| April 30 | 96.1°F (2014) | 43.0°F (2010) | 0.08 in (2019) |