Cool
Average highs are around 11°C, so pack for cooler days.
December verdict
Monaco in December
Weather score31Poor
Poor for holiday weather
Average highs are around 11°C, so pack for cooler days. Sunshine averages 4.6h per day, so this is not one of the brighter months. Rainfall averages 76mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
11°C
Rain
76mm
Sun
4.6h
Sea
0°C
Weather score
31
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 76mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.6h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 0°C, so the water can feel cool.
Map
Weather map
Compare Monaco with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December11°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
December76mm average rain
December is wetter than Monaco's yearly average, so flexible plans matter more.
Driest monthsJune to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December4.6 hours average sun
December is one of Monaco's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December0°C average sea
December 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.
Weather score
December31 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
