Avg High
San Diego in April
Verdict
In San Diego, April has a distinct spring feel. As the season moves along, the weather is warming up. You can usually expect a mild month that feels reliable day to day. Breezes can be part of the character, especially in exposed spots.
It suits travellers who want straightforward weather for sightseeing and day trips. Shade breaks make a noticeable difference on longer outdoor days.
Avg Low
Rain
Daylight
13h
What to expect
- Daytime feel - Easygoing temperatures with a noticeable cool-down after sunset. Overall it feels close to what you’d expect.
- Showers & dry spells - Some rain, some shine. You’ll get wet windows, then dry windows. Keep a light rain layer handy.
- Sun & UV - Midday sun is intense. Treat midday like 'high-exposure time'. A hat, sunscreen, and shade help a lot. This is a 'don't forget the hat' month.
- Exposure - Often breezy, and you’ll notice sudden bursts, especially near the coast or ridgelines. On the water or higher ground it feels stronger.
April in context
How it compares to the rest of the year in San Diego.
Hottest (avg)
#8 / 12
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.