Weather

San Diego Weather in March

San Diego weather in March marks the beginning of spring, with warmer days and mild evenings. Explore why March is a fantastic time to visit, along with highlights of the season’s best events and activities.

by Mac Douglass

Updated March 01, 2025

What Is the Weather Like in San Diego in March?

March brings a delightful mix of sunny days and cool evenings, with average highs of 73°F (23°C) and lows around 61°F (16°C). Rainfall is light, averaging just 0.57 inches spread over three days, making March a relatively dry month. The city enjoys approximately 234 hours of sunshine, providing ideal conditions for outdoor exploration and events.

Although the ocean remains cool, March weather is perfect for enjoying the vibrant cityscape, cultural festivals, and stunning natural attractions that San Diego offers during the spring.

Average March Weather in San Diego

San Diego's March weather features mild highs around 73°F and cooler lows near 61°F, making it perfect for outdoor activities and seasonal events. Data from WeatherSpark.

Daytime Temperatures: Highs average around 73°F early in the month, holding steady through the end of March.
Nighttime Temperatures: Lows are consistent at 61°F throughout the month, making evenings mild and pleasant.
Rainfall: March experiences light rainfall, averaging just over half an inch across three days.
Ocean Temperatures: The Pacific waters are still chilly, better suited for coastal views than swimming.

March 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 March is warmer and sunnier compared to winter months like January, with highs reaching into the 70s°F and comfortable lows.

Compared to the hotter months of summer, like July, March offers a refreshing balance of warmth and coolness. The lighter rainfall and longer daylight hours make March an excellent time to explore San Diego’s vibrant attractions and outdoor events.

Things to Do in San Diego in March

San Diego’s March weather provides a great setting for experiencing the city’s wide array of activities and events.

The Flower Fields (March 1 - May 12): Witness a stunning display of Giant Tecolote Ranunculus flowers in bloom at the Flower Fields in Carlsbad.
SeaWorld's Seven Seas Craft Beer & Food Festival (March 1 - April 28): Savor craft beers and international cuisine infused with sustainable ingredients.
Cherry Blossom Festival (March 7-10): Enjoy the beauty of blooming cherry blossoms along with cultural performances, food, and fun activities.
CRSSD Festival (March 2-3): Dance the weekend away at this electronic music festival at San Diego Waterfront Park.
Padres Opening Day: Cheer on the Padres as they kick off the season at Petco Park.

Why Visit San Diego in March?

San Diego’s March weather is an excellent mix of warmth and sunshine, paired with vibrant events that make it a top destination for spring travelers. Highlights include:

Perfect weather for outdoor activities like hiking, festivals, and scenic strolls.
Iconic seasonal events like the Flower Fields and Padres Opening Day.
Fewer crowds compared to peak summer months.

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

March weather in San Diego is a wonderful balance of sunny skies and cool evenings, with minimal rain to interrupt your plans. Whether you’re enjoying a food festival, catching a Padres game, or marveling at blooming flowers, March is a fantastic time to visit this dynamic city.