Cool
Average highs are around 12°C, so pack for cooler days.
March verdict
Poor for holiday weather
Average highs are around 12°C, so pack for cooler days. Sunshine averages 5.8h per day, enough for a balanced month. Rainfall averages 75mm, which is relatively low for holiday planning.

Monthly averages
Temp
12°C
Rain
75mm
Sun
5.8h
Weather score
33
Poor
Cool
Average highs are around 12°C, so pack for cooler days.
Drier
Rainfall averages 75mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.8h per day, enough for a balanced month.
Map
Compare Monte Carlo, Monaco with nearby places by weather score, rain, sun, temperature, and swim conditions.
March12°C average high
March is on the cooler side of Monte Carlo's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
March75mm average rain
March is wetter than Monte Carlo'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.
March5.8 hours average sun
March is below Monte Carlo's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
March33 weather score
March 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.