Cool
Average highs are around 17°C, so pack for cooler days.
March verdict
San Francisco, California, United States in March
Weather score41Mixed
Mixed for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 8.6h per day, so bright days are a strong part of the month. Rainfall averages 59mm, which is relatively low for holiday planning.
March weather
Monthly averages
Temp
17°C
Rain
59mm
Sun
8.6h
Sea
12°C
Weather score
41
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 59mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.6h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 12°C, so the water can feel cool.
Map
Weather map
Compare San Francisco, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
March17°C average high
March is on the cooler side of San Francisco's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to October
This stretch sets the upper range for average daytime heat.
Rain
March59mm average rain
March is wetter than San Francisco's yearly average, so flexible plans matter more.
Driest monthsApril to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
March8.6 hours average sun
March sits close to San Francisco's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
March12°C average sea
March is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJuly to October
Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.
Weather score
March41 weather score
March scores below San Francisco's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsMay to September
These months have the strongest weather score in the monthly averages.
Hotels in San Francisco, California, United States
Marriott
View all
The Ritz-Carlton, San FranciscoSan Francisco, California, USA
The St. Regis San FranciscoSan Francisco, California, USA
JW Marriott San Francisco Union SquareSan Francisco, California, USA
Palace Hotel, a Luxury Collection Hotel, San FranciscoSan Francisco, California, USA
W San FranciscoSan Francisco, California, USA
San Francisco Marriott Fisherman's WharfSan Francisco, California, USA