Cool
Average highs are around 18°C, so pack for cooler days.
March verdict
San Luis Obispo, California, United States in March
Weather score38Poor
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 8.6h per day, so bright days are a strong part of the month. Rainfall averages 91mm, so some wet days are possible.
March weather
Monthly averages
Temp
18°C
Rain
91mm
Sun
8.6h
Sea
13°C
Weather score
38
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 91mm, so some wet days are possible.
Bright
Sunshine averages 8.6h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Weather map
Compare San Luis Obispo, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
March18°C average high
March has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJuly to October
This stretch sets the upper range for average daytime heat.
Rain
March91mm average rain
March is wetter than San Luis Obispo'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 Luis Obispo'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
March13°C average sea
March is below San Luis Obispo's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to November
Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.
Weather score
March38 weather score
March scores below San Luis Obispo's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
Hotels in San Luis Obispo, California, United States
Marriott
HOTEL CERRO, Autograph CollectionSan Luis Obispo, California, USA
Courtyard San Luis ObispoSan Luis Obispo, California, USA
SpringHill Suites by Marriott San Luis ObispoSan Luis Obispo, California, USA
Residence Inn By Marriott San Luis ObispoSan Luis Obispo, California, USA
TownePlace Suites by Marriott San Luis ObispoSan Luis Obispo, California, USA