Cool
Average highs are around 13°C, so pack for cooler days.
December verdict
Poor for holiday weather
Average highs are around 13°C, so pack for cooler days. Sunshine averages 5h per day, enough for a balanced month. Rainfall averages 158mm, so some wet days are possible.
Monthly averages
Temp
13°C
Rain
158mm
Sun
5h
Sea
13°C
Weather score
22
Poor
Cool
Average highs are around 13°C, so pack for cooler days.
Showers
Rainfall averages 158mm, so some wet days are possible.
Some sun
Sunshine averages 5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Compare Big Sur, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
December13°C average high
December 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.
December158mm average rain
December is wetter than Big Sur's yearly average, so flexible plans matter more.
Driest monthsMay to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December5 hours average sun
December is one of Big Sur's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
December13°C average sea
December is close to Big Sur's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to November
Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.
December22 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
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