US San Diego · Spring

San Diego in March
what's the weather like?

San Diego in March: solid, though July remains peak.

Open-Meteo · 10 years · 12 months compared · 32.72°N 117.16°W
63°FMax temperature
28%Rainy days
11.2hSunshine / day

San Diego weather in March

✅ Good
🌡️ Temperature min / max
50°F – 63°F
🌧 Rainy days
28% of days
☀️ Sunshine
11.2h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.2/10
📅 📅 Best month
July (9.1/10)

Should you visit San Diego in March?

✅ Good

✅ Yes if: you want to explore the city on foot without suffering from heat.

❌ No if: you're looking for a beach destination — water and air are still cool.

🌧 Rain : ███░░░░░░░ 28%
🌡 Temperature : ████░░░░░░ 63°F
☀️ Sunshine : ████████░░ 11.2h/d

Our take: Favourable conditions in March (7.2/10). July scores higher but the gap is small.

San Diego in March by trip type

What to expect in March

Spring marks the start of the good season in San Diego. Temperatures rise (17°F) and tourists have not yet arrived en masse. Expect rain on 28% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. July (9.1/10) is significantly better if possible.

All months for San Diego

Month-by-month comparison

MonthMin °FMax °FRain %Precip inSun h/dScore
⛅ January46°F63°F20%0.1in9.9h7.2/10
⛅ February48°F63°F18%0.1in10.0h7.2/10
⛅ March50°F63°F28%0.1in11.2h7.2/10
🌤️ April55°F66°F12%0.0in12.0h7.8/10
🌤️ May57°F68°F10%0.0in11.7h8.0/10
🌤️ June61°F72°F2%0.0in12.0h8.6/10
🌤️ July64°F75°F0%0.0in12.5h9.1/10
☀️ August66°F77°F2%0.0in12.0h9.1/10
🌤️ September64°F75°F4%0.0in11.3h8.8/10
🌤️ October59°F73°F7%0.0in10.8h8.5/10
🌤️ November54°F70°F11%0.0in9.8h7.9/10
🌤️ December48°F64°F16%0.1in9.5h7.3/10
Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years
📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In March, San Diego averages 63°F, 28% rainy days and 11.2h of sunshine per day. Overall weather score: 7.2/10. See methodology →

March vs July (best month)

The best month is July (score 9.1/10). Difference:

FAQ — San Diego in March

Is March a good time to visit San Diego?
March is an acceptable time for San Diego (score 7.2/10). Conditions are decent but not optimal — consider July (9.1/10) if possible.
What to do in San Diego in March?
With 63°F max and 11.2h of sunshine, focus on cultural sites, museums and local gastronomy.

Find a place to stay in San Diego

Find places to stay in San Diego in March Search on Hotels.com

Activities and tours in San Diego

Guided tours, skip-the-line tickets and local experiences. Browse activities on GetYourGuide

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