Brittany, FranceQuick decision
When to visit Brittany?
🌞 Best time overall
July
🌡️ Optimal temperature
14°C–23°C in July
🌧 Least rain
30% rainy days in July
🌧 Wettest month
January (43%)
📅 Best score
8.2/10
By trip type
Best time by type of trip
Coast & MegalithsJune–August — Pink Granite Coast, Carnac alignments, Pointe du Raz.
SeafoodYear-round — lobster, galettes, oysters, Breton cider.
GR34 Coastal TrailMay–September — 2,000 km coastal path, spectacular views.
Sailing & Water SportsJune–August — Brest, La Trinité-sur-Mer, regattas.
FamilyJuly–August — safe beaches, crêperies, medieval castles.
Celtic FestivalsAugust — Lorient Celtic Festival, Fest Noz.
Monthly climate data
Brittany weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 3°C | 9°C | 43% | 2.8 | 3.9h | 3.5/10 |
| 🌦️ February | 4°C | 11°C | 38% | 2.1 | 6.3h | 4.4/10 |
| 🌦️ March | 5°C | 12°C | 45% | 2.3 | 8.2h | 4.6/10 |
| ⛅ April | 6°C | 15°C | 36% | 1.9 | 11.4h | 7.0/10 |
| 🌤️ May | 10°C | 19°C | 39% | 2.0 | 11.9h | 7.3/10 |
| 🌤️ June | 13°C | 22°C | 38% | 2.7 | 12.5h | 7.7/10 |
| 🌤️ July | 14°C | 23°C | 30% | 1.5 | 12.9h | 8.2/10 |
| 🌤️ August | 14°C | 24°C | 28% | 1.6 | 11.8h | 8.2/10 |
| 🌤️ September | 13°C | 21°C | 34% | 2.1 | 10.1h | 7.4/10 |
| ⛅ October | 10°C | 17°C | 39% | 2.8 | 7.8h | 7.0/10 |
| 🌦️ November | 6°C | 13°C | 45% | 2.8 | 5.7h | 4.3/10 |
| 🌦️ December | 5°C | 10°C | 42% | 2.8 | 4.1h | 4.0/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Acceptable
Average 15°C, 40% rainy days, 10.5h sunshine/day. Score: 6.3/10.
☀️ Summer (Jun–Aug) — Good time
Average 23°C, 32% rainy days, 12.4h sunshine/day. Score: 8.0/10.
🍂 Autumn (Sep–Nov) — Acceptable
Average 17°C, 39% rainy days, 7.9h sunshine/day. Score: 6.2/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 10°C, 41% rainy days, 4.8h sunshine/day. Score: 4.0/10.
Accommodation
Find a place to stay in Brittany
Check availability during the recommended period
Tip : off-peak months (January, February) are cheapest but weather is significantly worse.
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Activities and tours in Brittany
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
July is ideal with 30% rainy days and 23°C. The months of July & August offer comparable conditions.
January is the wettest month with 43% rainy days.
Yes, July is the best month with an average of 23°C.
In winter, the average score is 4.0/10. Difficult period — prefer the peak season.
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