Mild
Average highs are around 21°C, so days are mild rather than hot.
June verdict
Good for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 8.8h per day, so bright days are a strong part of the month. Rainfall averages 49mm, which is relatively low for holiday planning.

Monthly averages
Temp
21°C
Rain
49mm
Sun
8.8h
Sea
0°C
Weather score
67
Good
Mild
Average highs are around 21°C, so days are mild rather than hot.
Drier
Rainfall averages 49mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.8h 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.
June21°C average high
June sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
June49mm average rain
June sits near Monaco's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJune to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
June8.8 hours average sun
June 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.
June0°C average sea
June 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.
June67 weather score
June scores above Monaco's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.