Monaco have weather Mediterranean. During the year enjoy moderate temperatures with about 300 days of sunlight and 60 days of rain.
Temperatures of summer they are between 26 to 29 ° C. July and August are the hottest months. In winter the temperature is between 8 to 14 ° C. There is sun, but the nights are cooler and it is common to rain. Spring It is the best time to visit the Principality because of the mild temperature (10 to 15 ° C) and the “Le Mistral” winds that keep the skies completely clear.
We recommend you bring clothing light during summer with some shelter for the cool afternoons of that season. In winter yes it is advisable to wear some coat. Enough with a sweater and pants.