Early spring · Weather & things to do
Downtown San Diego & Gaslamp Quarter in March
Downtown San Diego & Gaslamp Quarter edges warmer than February, with highs of 71°F (21°C), lows of 52°F (11°C) and about 1.1 in (29 mm) of rain.
At 90/100 for comfort (6th of 12), it's one of the best months to visit.

- Avg high
- 71°F (21°C)
- Avg low
- 52°F (11°C)
- Rain
- 1.1 in (29 mm)
- Humidity
- 68%
- Cloud cover
- 60%
- Daylight
- ~11 h 46 min
- Comfort score
- 90/100 · Great
What March feels like
Days are warm, averaging 71°F (21°C), easy weather for being outside from morning to evening.
Nights cool to an average low of 52°F (11°C).
It's one of the drier stretches, with only about 1.1 in (29 mm) of rain.
Plan around March
March is one of Downtown San Diego & Gaslamp Quarter's best months on the climate data.
- First warm month: highs reach 71°F, up from 67°F in February.
- Last of the best-scoring months: by April, the score drops to 90/100.
- Comfort holds steady from February (90 → 90/100).
- Our San Diego New Year's Eve route is planned for Dec 30 – Jan 1, a window set by the holiday season rather than the weather — March falls outside it.
What to pack for March
- Light, breathable clotheshighs average 71°F
- Sunscreen, sunglasses and a hatstrong sun this month
- Comfortable walking shoesmost picks involve some walking
What to do in Downtown San Diego & Gaslamp Quarter in March
March is good outdoor weather here, so these picks lean toward the open air.
Coronado Ferry Landing
Shops and a small park at the Coronado ferry pier, facing the downtown skyline across the bay.
Why now March scores 90/100 for comfort, good conditions for being outside.
SeaWorld San Diego
Marine park on Mission Bay whose Christmas Celebration ends New Year's Eve with fireworks at about 9 pm.
Why now Highs near 71°F and 1.1 in of monthly rain make this an easy outdoor pick.
USS Midway Museum
Aircraft carrier turned museum on the Navy Pier, with about 30 restored aircraft on the flight deck.
Hard Rock Hotel San Diego
Gaslamp hotel that throws one of the city's biggest New Year's Eve parties across several floors and its rooftop.
Why now One to do outside while the weather is on your side.
Nearby in March
- La Jolla in March~11 mi · highs 64°F, 1.3 in rain · 4°C (7°F) cooler by day, about as wet
- Palm Springs in March~85 mi · highs 78°F, 0.4 in rain · 4°C (7°F) warmer by day, drier
- Joshua Tree in March~108 mi · highs 71°F, 0.3 in rain · similar daytime temperatures, drier
- Los Angeles in March~112 mi · highs 70°F, 1.7 in rain · similar daytime temperatures, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~394 m to Downtown San Diego & Gaslamp Quarter's ~10 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Downtown San Diego & Gaslamp Quarter in March: quick answers
Is March a good time to visit Downtown San Diego & Gaslamp Quarter?
Yes. On the climate data it's one of the best months, scoring 90/100. Expect highs of 71°F (21°C) and 1.1 in (29 mm) of rain.
How hot is Downtown San Diego & Gaslamp Quarter in March?
Average highs are 71°F (21°C) and average lows 52°F (11°C), making it the 4th-coldest month by daytime highs.
Does it rain a lot in Downtown San Diego & Gaslamp Quarter in March?
Not much: about 1.1 in (29 mm) of rain falls across March on average, the 4th-wettest month of the year. The annual total is about 10.6 in (268 mm).
What should I pack for Downtown San Diego & Gaslamp Quarter in March?
Bring light, breathable clothes (highs average 71°F), sunscreen, sunglasses and a hat (strong sun this month) and comfortable walking shoes (most picks involve some walking).
More on Downtown San Diego & Gaslamp Quarter
Planning Downtown San Diego & Gaslamp Quarter in March?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.



