Aix-en-Provence (Provence) weather in August
August in Aix-en-Provence: hot, a little rain, with clean air — an excellent time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#7 of 12 months in Aix-en-Provence · #577 of 1413 destinations to visit in August · comfort 82/100 (tier A)
- Days
- 31°C
- Nights
- 19°C
- Wet days
- 3
- Sun
- 12.3 h
- Humidity
- 57%
- Daylight
- 14 h

Traveller notes on Aix-en-Provence in August
Notes from nearby Saint-Tropez (100 km away)
Aix-en-Provence doesn't have its own notes for August yet — these are about Saint-Tropez, close enough to share the season.
August in Saint-Tropez is a traffic problem with a beach attached, and the forum is unsparing about it: nobody local drives the coast road from Sainte-Maxime between 09:00 and 23:00 in July and August, where eight miles can take three hours. The fix regulars give every time is the bateaux verts - every 20 minutes in high season, 20 minutes across the bay. On Pampelonne the beach clubs run by seating times and want a lunch reservation, with a lounger around 35 euros; Club 55 is the relaxed classic, Les Palmiers the French-leaning one, Nikki Beach the young and loud one. August is when the town is most overrun. The record: 31.4C days feeling like 33C, 20.4C nights, 2.5 precipitation days, 12.4 hours of sun and a 23.9C sea.
Other months in Aix-en-Provence
Regulars are specific this technically counts as the rainiest month of the year here, though the overall experience still gets described as pleasant and warm, still comfortable enough to eat outside while cool enough for exploring the town on foot. Our row backs that mild, genuinely wet read, 21.3C over 11.6C nights, with a substantial 82.8mm of rain across 6.7 days and humidity at 76 percent. Regulars are consistent the mistral wind can blow through for two to three days at a stretch, evenings turning cold enough for a real layer even on a warm-feeling day. This remains a genuinely crowd-free month for a walkable town full of restaurants and bars. The sea sits at a warm 20.8C for anyone pairing a visit with the nearby coast. The record: 8.7 hours of sun, a 17.7 kph wind and AQI 36.
Regulars call this a genuinely pleasant month that can still deliver any kind of weather, and are specific about the one wind everyone asks about: the mistral is unpleasant when it blows, strongest along the Rhone, rare enough that most people never plan around it, and rarely lasts more than about three days when it does arrive. Our row backs the changeable read, 18.8C reading as 16C over 8.1C nights, with 46.1mm of rain across 6.9 days and a real 19.7 kph average wind. Spring markets are already worth the trip - early wildflowers, the first asparagus and strawberries appearing - though regulars note the smaller village markets and some restaurant hours have not settled into the main season's rhythm yet. The record: humidity 66 percent, 11 hours of sun and AQI 42.
Aix-en-Provence-forum threads on March weather are consistent that it's genuinely unpredictable early in the month but improves fast as spring takes hold - by mid-March, temperatures often settle into a comfortable range with little rain and plenty of cloudless, sunny days on offer. The one wildcard regulars flag regardless of temperature is the Mistral, the strong, cold wind funneling down from the Alps that can make an otherwise sunny day feel genuinely bracing outdoors. The standing advice is pack serious layers rather than a single spring jacket, since a warm, still afternoon can turn sharply colder the moment that wind picks up. Regulars call late March a strong window, warm enough for the outdoor cafes along the Cours Mirabeau without summer's crowds. The record: 15.8C days feeling like 13C, 5.4C nights, 58mm across 6.6 days, 0.5cm of late-season snowfall, a 13.5C sea, 71 percent humidity and 9.7 hours of sun.
June in Aix is warm, sunny and dry - our row gives 28.3C at 61 percent humidity with 3.8 precipitation days - and the local variable is the mistral, which regulars describe as mostly a winter and early-spring wind that nonetheless shows up in June forecasts as un petit mistral. When it comes it is dry and fierce, capable of 100 kph, drops the temperature about ten degrees for the two or three days it lasts, and arrives under a brilliant blue sky. Nobody can predict it for a given week. That is why the standing June advice for Provence is a sweater or a layer for the shoulders even in a heatwave month. The record: 17.3C nights, 26.9mm of rain, 13.4 hours of sun and a 15.4-hour day.
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Aix-en-Provence climate normals — August
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Aix-en-Provence in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusySummer holidays in France, school holidays in 6 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Aix-en-Provence's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherAix-en-Provence's best weather comes in May, June and September — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Aix-en-Provence in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Heatwave weeks
1 Jul – 25 Aug · usuallyExtreme heatMost summers bring stretches where the town moves indoors until six and the fountains are the only shade worth having. Meteo-France runs the warnings department by department. Source ↗
- Season
Vendanges in the Coteaux d'Aix
25 Aug – 10 Oct · usuallyHarvestPicking runs from the end of August into early October across the hills either side of the town. Estates that take visitors often shut the tasting room while the crop is in, so ring ahead.
Nearby, and something's on
Within 300 km of Aix-en-Provence — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Aix-en-Provence?
Aix-en-Provence in August — FAQ
- Is August a good time to visit Aix-en-Provence?
- August in Aix-en-Provence: hot, a little rain, with clean air — an excellent time to visit. It ranks #7 of 12 months for Aix-en-Provence on SeasonMap's comfort score (82/100).
- What is the weather like in Aix-en-Provence in August?
- In August, Aix-en-Provence averages a daily high of 30.7°C and a low of 19°C, with about 32.6 mm of rain over roughly 3.2 rainy days.
- What is the air quality in Aix-en-Provence in August?
- Aix-en-Provence has a mean US Air Quality Index of about 49 in August.
Within 300 km: Cannes' Festival d'Art Pyrotechnique around 4 Jul – 24 Aug, and Monaco's Fireworks competition around 10 Jul – 20 Aug.