What April feels like in San Diego
For San Diego, April is the heart of spring. Mild afternoons make it easy to spend hours outdoors. The gap between afternoon and night is small, so nights are cool and the temperature hardly changes after dark. Humidity is on the high side, but mild temperatures keep it comfortable.
Rain in San Diego in April
Dry weather dominates, and an umbrella can mostly stay packed. Wet days average about 6.8 mm (0.3 in), enough to soak you without an umbrella. That is close to San Diego's typical rain per wet day for the whole year (about 8.3 mm).
Daylight and sunshine in April
Mid-month, San Diego gets 12 h 57 min of daylight, from sunrise near 6:20 am to sunset near 7:18 pm. Days are getting longer: 1 h 2 min more daylight than in mid-March. The sun is out for roughly 88% of those daylight hours, so skies are mostly clear.
How April compares to the rest of the year
Ranked by average high, April comes out as the 5th coolest month in San Diego. Afternoons run 1.4°C (2.5°F) warmer than in March, with 27 mm less rain. The warm-up continues into May. The next month's average high: 20.1°C (68.2°F).
Who April suits
- Sightseeing: a good fit — the weather rarely gets in the way of a city walk.
- Parks & outdoor: a good fit — comfortable for long walks and picnics.
- Beach: a good fit — warm and mostly dry on the coast.
Tips for visiting San Diego in April
Sunglasses
Frequent sunshine — sunglasses and a light hat.
Quick questions
How warm is San Diego in April?
It feels mild: typical highs are 19.4°C (66.9°F), with lows near 12°C (53.6°F).
Does it rain a lot in San Diego in April?
No — April is one of the drier times, with about 3 rainy days and 20 mm in total.
What should I wear in San Diego in April?
Pack sunglasses. There is little need to change for the evening.
Is April or May better for visiting San Diego?
On our 12-month climate ranking, May comes out ahead (#5 of 12 vs #7). May has fewer rainy days.