Cool
Average highs are around 18°C, so pack for cooler days.
May verdict
Santiago de Compostela, Spain in May
Weather score31Poor
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 6.5h per day, enough for a balanced month. Rainfall averages 127mm, so some wet days are possible.
May weather
Monthly averages
Temp
18°C
Rain
127mm
Sun
6.5h
Sea
15°C
Weather score
31
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 127mm, so some wet days are possible.
Some sun
Sunshine averages 6.5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Weather map
Compare Santiago de Compostela, Spain with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May18°C average high
May is close to Santiago de Compostela's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May127mm average rain
May sits near Santiago de Compostela's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJune to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May6.5 hours average sun
May sits close to Santiago de Compostela's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May15°C average sea
May is close to Santiago de Compostela's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJune to October
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
Weather score
May31 weather score
May sits close to Santiago de Compostela's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
