Mild
Average highs are around 25°C, so days are mild rather than hot.
August verdict
Very good for holiday weather
Average highs are around 25°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 46mm, which is relatively low for holiday planning.

Monthly averages
Temp
25°C
Rain
46mm
Sun
9h
Sea
0°C
Weather score
78
Very good
Mild
Average highs are around 25°C, so days are mild rather than hot.
Drier
Rainfall averages 46mm, 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 0°C, so the water can feel cool.
Map
Compare Monaco with nearby places by weather score, rain, sun, temperature, and swim conditions.
August25°C average high
August is one of Monaco's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
August46mm average rain
August sits on the drier side of Monaco's year, which helps with sightseeing and transfers.
Driest monthsJune to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August9 hours average sun
August is brighter than Monaco's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
August0°C average sea
August is close to Monaco's usual sea temperature, with limited seasonal change in the water.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
August78 weather score
August is one of Monaco's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.