The Provence-Alpes-Côte d'Azur region is known for its warm Mediterranean climate and endless days of summer sun. It is one of the sunniest regions of France. However, microclimates and variations in the region range from the alpine climate north of Nice to the continental climate north of Vaucluse.
In the Alpes-Maritimes , the winds are usually weaker and the sea wind brings warm air and clouds from the south . Severe thunderstorms occur in September when alpine temperatures drop and cold air meets warm air blowing from the south.
Another striking feature in the Mediterranean climate is the famous mistral : a cold, dry wind that blows from the north and regularly exceeds 100 kilometers per hour . On average, the mistral blows 100 days a year and affects more the western region than the east, protected by the Alps.
In the region, annual precipitation approaches the national average. However, the region does not know the gray mist so well known by the regions further north.
When it rains in this region, it rains water in a short time, thus refreshing the landscape with a violent and short downpour. Rainfall is slightly more frequent in the southern Alps and temperatures are colder at higher altitudes . However, the valleys of the southern Alps are still characterized by a Mediterranean climate.
Average temperatures vary somewhat across the region.
Toulon, in the Var , enjoys more hours of sunshine than any other French city and temperatures on the coast are around 28 degrees Celsius in August and 5.5 degrees Celsius in January . Temperatures are a little colder inland and even colder in the mountains with average summer temperatures reaching 23 degrees.
In the Alpes de Haute Provence, the high altitude of the mountains and the Mediterranean heat valleys indicate that the department can know the temperature of the hottest summers as the temperatures of the coldest summers in France.
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