Weather in San Diego in April
April in San Diego is mild with average temperatures around 15.6°C (60.1°F). Light rainfall with only 17mm expected.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
20.8°C
69.4°F
Low
10.4°C
50.7°F
Precipitation
17 mm
0.7 inches
~3 rainy days
Conditions
Humidity
68%