Brittany · SummerMonth summary
Brittany weather in August
✅ Good
🌡️ Temperature min / max
14°C – 24°C
🌧 Rainy days
28% of days
☀️ Sunshine
11.8h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
8.2/10
📅 📅 Best month
July (8.2/10)
Quick decision
Should you visit Brittany in August?
✅ Good
✅ Yes if: you want long sunny days and outdoor activities.
❌ No if: you want to avoid summer crowds — this is peak tourist season.
Our take: August is a good time to visit Brittany. July remains slightly better (+0.0 pts).
By trip type
Brittany in August by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in August
🎯 Lorient Celtic Festival — 10 days of Celtic music Summer in Brittany brings pleasant temperatures (24°C) and long sunny days (11.8h of sunshine). Expect rain on 28% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if July (8.2/10) remains theoretically better.
Browse by month
All months for Brittany
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | 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
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, Brittany averages 24°C, 28% rainy days and 11.8h of sunshine per day. Overall weather score: 8.2/10.
See methodology →
Comparison
August vs July (best month)
The best month is July (score 8.2/10). Difference:
- 🌡️ Max temperature : -1°C
- 🌧 Rainy days : +2%
- ☀️ Sunshine : +1.1h/day
FAQ
FAQ — Brittany in August
Is August a good time to visit Brittany?
August is an excellent time to visit Brittany (score 8.2/10). With 24°C, 11.8h of sunshine and 28% rain, conditions are very favourable.
What to do in Brittany in August?
With 24°C and 11.8h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
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