Asking when to visit France is close to asking when to visit Europe. The country holds four climates: oceanic in the west, continental in the east, Mediterranean in the south and alpine in the mountains. The right window depends completely on the destination.
Spring: the best general window
From April to early June France is at its best almost everywhere. The gardens of the Loire and Normandy flower, Paris becomes workable again, and Provence is green before the heat. Temperatures sit between fifteen and twenty-four degrees, prices stay moderate and the major sites are not yet saturated. The one risk is rain, common in April across the northern half.
Summer: choose carefully
July and August hold the French holidays. The Mediterranean coast, Brittany and the Alps are full, rates rise thirty to fifty per cent, and the roads on the first weekend of August should be avoided outright. In exchange, this is the only period for Provençal lavender, the festival season and the high mountains. Inland cities such as Toulouse and Lyon can pass thirty-five degrees.
Autumn: the best compromise
September stays summery on the Mediterranean with a sea at twenty-three degrees and beaches that have emptied. October brings the grape harvest in Alsace and Burgundy, spectacular forests and low prices. Autumn light on Paris and the Loire châteaux is the finest of the year. Days shorten noticeably after mid-October.
Winter: two different countries
The Alps and Pyrenees run their high season from December to March, with steep prices during school holidays. Elsewhere winter is mild and wet in the west, cold and dry in the east. Paris in December, grey as it is, offers empty museums and some of the lowest hotel rates of the year outside the festive week.
What to avoid
The first two weekends of August on the roads, the week of 15 August on the coast, and the February holidays in ski resorts unless you are there to ski. Conversely, the first half of June and the second half of September are the two best windows of the year on every measure.
School holidays matter more than the weather
French domestic tourism is shaped by school holiday zones, and the country is divided into three of them with staggered dates. Two consequences follow. Ski resorts stay busy across four consecutive weeks in February rather than one, and the Mediterranean coast fills sharply in the last week of October. Checking the zone calendar before booking is a quick way to avoid paying peak rates for an ordinary week.
France works all year round. You simply have to match the region to the season.