San Diego weather in March
San Diego in March averages 16°C (60°F) and 37 mm of rain.
Of the twelve months in San Diego, March is the fourth coldest and the fourth wettest.
- Average temp
- 16°C (60°F)
12–19°C · 54–66°F
- Rainfall
- 37 mm
Not much rain
- Sunshine
- —
- Wind
- 10 km/h
What is San Diego like in March?
Daytime
Days are mild.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for San Diego in March?
A layer for the evening
Evenings cool off noticeably once the sun is down.
March compared with February and April
March in San Diego is 0.9°C warmer than February and 18 mm drier than it, which averages 15°C (59°F).
March in San Diego is 1.2°C cooler than April and 20 mm wetter than it, which averages 17°C (62°F).
Daylight in San Diego in March
On 15 March the sun is up for 11 hours 59 minutes in San Diego, rising about 06:58 and setting about 18:57 local time.
March ends 1 hour longer than it begins, so the last week of the month is a different length of day from the first.
That is 2 hours 19 minutes short of June, the longest-lit month here.
Where to stay in San Diego
Dates are a starting point for March.
Travel guides for San Diego
What to read before you book.
San Diego weather by month
TemperatureRainfall
How March compares with the rest of the year
March is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 14°C / 58°F | 50 mm |
| February | 15°C / 59°F | 56 mm |
| March | 16°C / 60°F | 37 mm |
| April | 17°C / 62°F | 17 mm |
| May | 18°C / 64°F | 7 mm |
| June | 19°C / 67°F | 1 mm |
| July | 21°C / 70°F | 2 mm |
| August | 22°C / 72°F | 0 mm |
| September | 22°C / 71°F | 3 mm |
| October | 20°C / 68°F | 13 mm |
| November | 17°C / 62°F | 20 mm |
| December | 14°C / 58°F | 42 mm |
Check another month
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FAQs about San Diego in March
March climate averages for San Diego, 1991–2020.
San Diego averages 16°C (60°F) in March, ranging from about 12°C (54°F) at night to 19°C (66°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. March sees only about 37 mm, so rain is unlikely to affect your plans.
No. March averages 16°C (60°F) against 17°C (62°F) in April — 1.2°C cooler.
March is 0.9°C warmer than February, and 18 mm drier.
It is outside the easiest window. The most comfortable stretch here is May to October; March sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what March is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 11 hours 59 minutes of daylight in mid-March, against 14 hours 18 minutes in June and 10 hours 1 minute in December.
On 15 March, sunrise is about 06:58 and sunset about 18:57 local time. Both shift across the month — the month ends 1 hour longer than it starts.
