Weather

San Diego Weather in April

San Diego weather in April features average highs in the upper 60s°F and lows in the mid-50s°F, with minimal rainfall and plenty of sunshine. Explore why April’s mild spring weather makes it an ideal time to enjoy San Diego’s outdoor activities and seasonal events.

by Mac Douglass

Updated March 01, 2025

What Is the Weather Like in San Diego in April?

April in San Diego offers delightful spring weather, with average highs of 69°F (21°C) and lows around 54°F (12°C). Rainfall is minimal, averaging just 1.01 inches over four days, and the city enjoys about 236 hours of sunshine throughout the month. These conditions make April a great time for outdoor adventures, coastal walks, and attending cultural events.

The ocean remains cool, so while swimming might not be ideal, the weather is perfect for taking in scenic coastal views or enjoying San Diego’s iconic attractions.

Average April Weather in San Diego

San Diego's April weather features mild highs around 69°F and cooler lows near 54°F, making it perfect for outdoor activities and seasonal events. Data from WeatherSpark.

Daytime Temperatures: Highs average 69°F early in the month and remain steady throughout April.
Nighttime Temperatures: Lows hover around 54°F, offering cool evenings.
Rainfall: April sees light rainfall, averaging just over an inch across four days.
Ocean Temperatures: The Pacific waters are still chilly, making coastal sightseeing more favorable than swimming.

April San Diego Weather Compared to Other Months

Month	Average High (°F)	Average Low (°F)	Days with Precipitation	Hours of Sunshine	Average Precipitation (in)
January	65	48	6	217	1.53
February	76	65	1	255	0.15
March	73	61	3	234	0.57
April	69	54	4	236	1.01
May	76	67	0	277	0.02
June	75	65	0	293	0.03
July	71	62	1	253	0.07
August	69	59	2	261	0.12
September	67	56	5	242	0.78
October	66	53	7	262	1.81
November	65	51	7	212	2.27
December	65	49	7	216	1.98

San Diego's weather in April is milder compared to the hotter summer months like August, where highs average 75°F.

Compared to the cooler months like February, April offers slightly warmer temperatures and longer days. The combination of minimal rain and abundant sunshine makes April ideal for exploring San Diego’s outdoor attractions and spring events.

Things to Do in San Diego in April

San Diego’s April weather provides the perfect backdrop for enjoying a wide array of seasonal events and activities.

The Flower Fields (Now - May 15): Experience the breathtaking beauty of 50 acres of blooming ranunculus flowers in Carlsbad.
SeaWorld's Seven Seas Craft Beer & Food Festival (Now - April 28): Savor craft beer and international cuisine at this popular spring festival.
Art Alive at the San Diego Museum of Art (April 25-28): Marvel at stunning floral arrangements inspired by the museum's art collections.
Annual La Jolla Concours d’Elegance (April 19-21): Admire 125 world-class automobiles along the stunning La Jolla Cove.
Fallbrook Avocado Festival (April 21): Celebrate all things avocado at this lively festival featuring food, live music, and artisan vendors.

Why Visit San Diego in April?

San Diego’s April weather offers the perfect mix of sunny skies, cool evenings, and minimal rainfall, creating an inviting atmosphere for springtime exploration. Key benefits of visiting in April include:

Fewer crowds compared to the summer months.
Seasonal events like Art Alive and the Encinitas Spring Street Fair.
Ideal weather for outdoor adventures, such as hiking, cycling, and scenic runs.Weather in Nearby California Regions

Explore detailed forecasts, historical trends, and seasonal insights for cities and regions adjacent to San Diego for a better frame of reference.

Plan Your Trip Around the April Weather in San Diego, California

April in San Diego is a wonderful time to visit, offering a balance of mild temperatures, sunny days, and exciting spring events. Whether you’re exploring vibrant festivals, savoring local cuisine, or enjoying coastal views, San Diego in April promises a memorable experience.