Cool
Average highs are around 16°C, so pack for cooler days.
May verdict
Poor for holiday weather
Average highs are around 16°C, so pack for cooler days. Sunshine averages 4.2h per day, so this is not one of the brighter months. Rainfall averages 35mm, which is relatively low for holiday planning.

Monthly averages
Temp
16°C
Rain
35mm
Sun
4.2h
Weather score
38
Poor
Cool
Average highs are around 16°C, so pack for cooler days.
Drier
Rainfall averages 35mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.2h per day, so this is not one of the brighter months.
Map
Compare Santiago, Chile with nearby places by weather score, rain, sun, temperature, and swim conditions.
May16°C average high
May is on the cooler side of Santiago's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to February and December
This stretch sets the upper range for average daytime heat.
May35mm average rain
May sits near Santiago's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May4.2 hours average sun
May is one of Santiago's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
May38 weather score
May scores below Santiago's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.