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France in August

Where it is warm, dry and good for swimming in France in August — compared across the country’s main destinations.

Quick answers
Where is it warmest in France in August?
Avignon is the warmest of the 16 destinations compared, with highs of 30°C (86°F) in August; Brest is the coolest at 21°C (70°F).
Can you swim in the sea in France in August?
Yes, in places: the warmest water is at Cannes (25°C (76°F)), and 4 of the coastal destinations have a sea of 21 °C or more.
Warmest
30°
Avignon
Coolest
21°
Brest
Driest
26 mm
Nice
Warmest sea
25°
Cannes

Across France, August highs run from 21°C (70°F) (Brest) to 30°C (86°F) (Avignon). On average it is about as warm as July. Most destinations stay largely dry. Best bets this month: Marseille, Nice, and Toulon.

Weather in August by city

PlaceDayNightRainSeaScore
Marseille 28° 19° 32 mm 22° 96
Cannes 27° 19° 34 mm 25° 95
Antibes 27° 20° 29 mm 25° 95
Nice 27° 20° 26 mm 25° 93
Perpignan 28° 19° 33 mm — 87
Lyon 27° 16° 69 mm — 81
Bordeaux 27° 15° 58 mm — 80
Toulouse 27° 16° 51 mm — 79
Paris 25° 15° 44 mm — 78
Paris 01 Louvre 25° 15° 44 mm — 78
Dijon 25° 14° 60 mm — 78
Avignon 30° 18° 49 mm — 74
Strasbourg 26° 14° 64 mm — 73
Lille 23° 13° 52 mm — 73
Brest 21° 13° 59 mm 16° 68
Chamonix 22° 10° 77 mm — 67

Festivals in France in August

School holidays in August

When schools are off, family travel peaks and prices rise.

  • Jul 11, 2027 – Aug 15, 2027 Southern winter holidaysReunion
School holidays 2027 →

Public holidays in August

  • Assumption Day
Public holidays 2027 →

Frequently asked questions

What is the weather like in France in August?

Average daytime highs range from 21° in Brest to 30° in Avignon.

Can you swim in France in August?

Yes — the sea is warmest around Cannes at about 25°.