Quick decision
When to visit Brittany?
🌞 Best time overall
July
🌡️ Optimal temperature
57°F–73°F 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 °F | Max °F | Rainy days (%) | Precip. in/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 37°F | 48°F | 43% | 0.1in | 3.9h | 3.5/10 |
| 🌦️ February | 39°F | 52°F | 38% | 0.1in | 6.3h | 4.4/10 |
| 🌦️ March | 41°F | 54°F | 45% | 0.1in | 8.2h | 4.6/10 |
| ⛅ April | 43°F | 59°F | 36% | 0.1in | 11.4h | 7.0/10 |
| 🌤️ May | 50°F | 66°F | 39% | 0.1in | 11.9h | 7.3/10 |
| 🌤️ June | 55°F | 72°F | 38% | 0.1in | 12.5h | 7.7/10 |
| 🌤️ July | 57°F | 73°F | 30% | 0.1in | 12.9h | 8.2/10 |
| 🌤️ August | 57°F | 75°F | 28% | 0.1in | 11.8h | 8.2/10 |
| 🌤️ September | 55°F | 70°F | 34% | 0.1in | 10.1h | 7.4/10 |
| ⛅ October | 50°F | 63°F | 39% | 0.1in | 7.8h | 7.0/10 |
| 🌦️ November | 43°F | 55°F | 45% | 0.1in | 5.7h | 4.3/10 |
| 🌦️ December | 41°F | 50°F | 42% | 0.1in | 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°F, 40% rainy days, 10.5h sunshine/day. Score: 6.3/10.
☀️ Summer (Jun–Aug) — Good time
Average 23°F, 32% rainy days, 12.4h sunshine/day. Score: 8.0/10.
🍂 Autumn (Sep–Nov) — Acceptable
Average 17°F, 39% rainy days, 7.9h sunshine/day. Score: 6.2/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 10°F, 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.
Search on Hotels.comActivities & tours
Activities and tours in Brittany
Guided tours, skip-the-line tickets and local experiences.
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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°F. 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°F.
In winter, the average score is 4.0/10. Difficult period — prefer the peak season.
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