Mild
Average highs are around 24°C, so days are mild rather than hot.
Weather Guide
Santiago de Compostela, Spain Average Monthly Weather
Weather score28Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 17°C, sunshine averages 5.5h per day, and rainfall totals about 1731mm. Sea temperatures average 15°C across the year.
Annual weather
Annual averages
Temp
17°C
Rain
1731mm
Annual total
Sun
5.5h
Sea
15°C
Weather score
28
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 40mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.1h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 17°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
August24°C average high
August is one of Santiago de Compostela's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August40mm average rain
August is one of Santiago de Compostela's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJune to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August8.1 hours average sun
August is one of Santiago de Compostela's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August17°C average sea
August is one of Santiago de Compostela's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to October
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
Weather score
August59 weather score
August is one of Santiago de Compostela's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
