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Hotel del Coronado behind palm trees on a sunny day, San Diego

San Diego in March

Spring break and blooms

By Daan · Last reviewed October 2026

The short answer

March is a reasonable month in San Diego — with trade-offs.

March is mild, with wildflowers in the desert to the east and busier beaches during spring break.

6.5/10 overall13–19°CModerate crowds$$$
Weather7/10
Crowds6/10
Prices$$$
Events5.5/10

March in detail

What March actually feels like

Weather
13–19°C
Mild and mostly dry.
Crowds
Moderate
Busier with spring break.
Prices
$$$
Rates rise for spring break.

+Mild weather and wildflowers.

–Spring break crowds.

My tip for March

Look up Anza-Borrego wildflower reports for a day trip.

  • Day trips
  • Hiking

How March compares

Against the other eleven months

4th of 12 overall in San Diego, 7th for weather, 9th for space, 6th for value. The emptiest month is January; the best value is November.

See all twelve months for San Diego

Not set on March?

Even stronger months in San Diego

Weather

Weather in San Diego in March

In March San Diego averages a high of 19°C (66°F) and a low of 13°C (55°F), with about 37 mm of rain or snow over 6 wet days. The warmest month is August (around 25°C) and the coolest is January (around 19°C); the wettest month is February.

Average high
19°C
66°F
Average low
13°C
55°F
Precipitation
37 mm
Wet days
6

Climate data: NOAA (San Diego International Airport, 1991–2020). Temperatures are averages of daily highs and lows.

Quick answers

San Diego in March: the questions people ask

Is March a good time to visit San Diego?
March is a reasonable month in San Diego — with trade-offs. It ranks 4 of 12 months in San Diego overall (7 for weather, 9 for space, 6 for value). The main upside: Mild weather and wildflowers. The main downside: Spring break crowds.
What is the weather like in San Diego in March?
Average highs are around 19°C and lows around 13°C. Expect about 37 mm of rain or snow over roughly 6 wet days. Mild and mostly dry. For comparison, the warmest month is August (around 25°C) and the coolest is January (around 19°C).
Is San Diego crowded in March?
Crowds are moderate. Busier with spring break. The quietest month is January.
How expensive is San Diego in March?
Prices are at level 3 of 5 ($$$). Rates rise for spring break. The best-value month is November.
When is the best time to visit San Diego?
In the CrowdFreeViews month scores, October is the best month overall (March ranks 4 of 12). The quietest month is January and the best value is November.

Ready to book March in San Diego?

Mild weather and wildflowers.

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