Hottest (avg)
#8 / 12
San Diego in April
April weather, climate averages, and packing tips.
Avg High
Avg Low
Rain
Daylight 13h
What to expect
As spring continues, April brings, where the weather is warming up. Daytime highs average 19°C / 66°F, dropping to 12°C / 53°F at night.
It is one of the drier times of year, though occasional showers are still possible. The sun is very strong at this time of year, making sun protection essential during the day.
April in context
How it compares to the rest of the year in San Diego.
Wettest (avg)
#6 / 12
Daylight Hours
#5 / 12
Windiest (avg)
#2 / 12
Highest UV
#5 / 12
Most Humid
#10 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 13.0 hours
- UV index (max)
- 8
- Typical sun hours
- 05:17 – 18:18
Rain & Snow
- Total
-
- Rainy days
- 6
- Cloud cover
- 44%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 74%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is April a good time to visit San Diego?
Typical April days in San Diego reach highs of 19°C (66°F) with nights around 12°C (54°F). It usually feels mild by day and cool after dark. Overall, April sits in the middle of the San Diego climate range.
What are temperatures like in April?
Daytime temperatures in April typically peak near 19°C (66°F), while nights drop to around 12°C (54°F). Expect mild afternoons and cool evenings.
How much does it rain in April?
Rainfall in April averages 25 mm (0.98 in) across roughly 6 days. Overall it is a moderately wet time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in April?
You can expect about 13 hours of daylight in April. Sunrise is typically around 05:17 and sunset near 18:18. You get long days with comfortable amounts of daylight.
How strong is the sun in April?
UV levels frequently reach very high levels (around 8), so strong sun protection is essential, especially around midday.
Is it windy in April?
In April, average wind speeds are around 10 km/h (6 mph), with gusts on the windiest days reaching about 42 km/h (26 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.