Mild
Average highs are around 21°C, so days are mild rather than hot.
May verdict
Mixed for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 9h per day, so bright days are a strong part of the month. Rainfall averages 43mm, which is relatively low for holiday planning.

Monthly averages
Temp
21°C
Rain
43mm
Sun
9h
Sea
17°C
Weather score
54
Mixed
Mild
Average highs are around 21°C, so days are mild rather than hot.
Drier
Rainfall averages 43mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9h 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
Compare Aix-en-Provence, France with nearby places by weather score, rain, sun, temperature, and swim conditions.
May21°C average high
May is close to Aix-en-Provence'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.
May43mm average rain
May sits near Aix-en-Provence's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsMay to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May9 hours average sun
May sits close to Aix-en-Provence'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.
May17°C average sea
May is close to Aix-en-Provence's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to September
Sea temperatures are usually near 22°C in this stretch, so swimming comfort is at its strongest.
May54 weather score
May sits close to Aix-en-Provence'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.