Cool
Average highs are around 18°C, so pack for cooler days.
May verdict
Mixed for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 11h per day, so bright days are a strong part of the month. Rainfall averages 14mm, which is relatively low for holiday planning.
Monthly averages
Temp
18°C
Rain
14mm
Sun
11h
Sea
12°C
Weather score
50
Mixed
Cool
Average highs are around 18°C, so pack for cooler days.
Drier
Rainfall averages 14mm, which is relatively low for holiday planning.
Bright
Sunshine averages 11h 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
Compare Big Sur, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
May18°C average high
May is close to Big Sur's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
May14mm average rain
May is one of Big Sur's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsMay to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May11 hours average sun
May is one of Big Sur's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
May12°C average sea
May is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJuly to November
Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.
May50 weather score
May sits close to Big Sur's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
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