April to May and September to October. Month by month below, with the weather, what's on and what it costs to fly there from your city.
The shoulder seasons, April to May and September to October, balance mild weather and manageable crowds; May and September are the most often singled out.
5 of the 9 travel guides we read name these months.
Average high and low in Paris, and days with rain
JanuaryChecking fares…January and February are very cold with many fully overcast days; daytime averages about 3C.January is a quiet month with maximum privacy at landmarks.The Grand Prix d'Amerique horse race takes place at Bois de Vincennes each January.Hyper Weekend Festival
FebruaryChecking fares…February is very cold, but winter sales draw shoppers.Paris Fashion Week is held in late February and late September.
MarchChecking fares…March stays cool, averaging about 9C, but Paris empties during school holidays and long weekends.Early March can bring lower rates, which rise as shoulder season starts mid-month.Cherry and magnolia blossoms typically peak from late March to mid-April.European Artistic Crafts Days (JEMA)
Best timeAprilChecking fares…April weather is very uncertain, swinging between showers and sun.April school vacations bring many families, and Paris in April is very popular.Art Paris fair is in early April, and the Paris Marathon is usually early April with road closures.Festival du Livre de Paris (Salon du Livre)
Best timeMayChecking fares…May is named among the best months for mild weather and cultural buzz.La Nuit des Musees is in mid-May, with many museums open late and free.Crowds and ticket lines grow toward May, though less than in summer.French Open (Roland-Garros)
JuneChecking fares…June has the longest days; sun lingers until about 10 PM, with Fete de la Musique on June 21.Fete de la Musique on 21 June brings free concerts across Paris.Summer Sales run in June and July.24 Hours of Le Mans
JulyChecking fares…July is hot and busy; the end of the Tour de France and Bastille Day draw huge crowds.Bastille Day on 14 July brings free events, a military parade and fireworks at the Eiffel Tower.Bastille Day
AugustChecking fares…In August Parisians are on vacation, traffic is easier and museum queues are shorter.Free concerts are held at Bercy Village on Tuesday and Thursday nights in August.Jazz à la Villette
Best timeSeptemberChecking fares…September is among the most pleasant months for temperatures and events.Mid-September is harvest time in nearby Champagne.Paris Fashion Week returns in late September.Braderie de Lille
Best timeOctoberChecking fares…Le Salon du Chocolat, the world's largest chocolate festival, is in late October.October is a shoulder month with decent weather and fewer crowds than mid-summer.In the second half of October the countryside shows fall colors.Fête des Vendanges de Montmartre · Common crane migration at Lac du Der
NovemberChecking fares…The least pleasant period begins in November, with grayness and abundant precipitation.November and February have no lines at the Louvre.Lille Christmas Market · Paris Christmas Markets
DecemberChecking fares…The Champs-Elysees is lit with Christmas lights and festive markets appear across the city.Notre-Dame area and Chatelet host Christmas markets.Sunset often arrives by 5 PM in winter.Grand Palais des GlacesWeather: Paris averages from Meteo France (1981 to 2010 averages), as listed in its climate table on Wikipedia.
Live fares from your airport. Watch them and we alert you when they drop.
Festivals and seasons through the year
Hyper Weekend Festival
European Artistic Crafts Days (JEMA)
Festival du Livre de Paris (Salon du Livre)
French Open (Roland-Garros)
24 Hours of Le Mans
Bastille Day
Jazz à la Villette
Braderie de Lille
Fête des Vendanges de Montmartre
Common crane migration at Lac du Der
Lille Christmas Market
Paris Christmas Markets
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Capitol Reef National Park