Cool
Average highs are around 19°C, so pack for cooler days.
March verdict
San Diego, California, United States in March
Weather score48Mixed
Mixed for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 8.4h per day, so bright days are a strong part of the month. Rainfall averages 51mm, which is relatively low for holiday planning.
March weather
Monthly averages
Temp
19°C
Rain
51mm
Sun
8.4h
Sea
15°C
Weather score
48
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 51mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.4h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Weather map
Compare San Diego, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
March19°C average high
March has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
March51mm average rain
March is one of San Diego's wettest months, so rain is likely to be a major planning factor.
Driest monthsApril to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
March8.4 hours average sun
March sits close to San Diego's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril and July to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
March15°C average sea
March is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJuly to September
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
Weather score
March48 weather score
March scores below San Diego's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to September
These months have the strongest weather score in the monthly averages.
Hotels in San Diego, California, United States
Marriott
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The US Grant, a Luxury Collection Hotel, San DiegoSan Diego, California, USA
Marriott Marquis San Diego MarinaSan Diego, California, USA
San Diego Marriott Del MarSan Diego, California, USA
San Diego Marriott Gaslamp QuarterSan Diego, California, USA
San Diego Marriott Mission ValleySan Diego, California, USA
The Westin San Diego BayviewSan Diego, California, USA