When to visit Brittany?
The decision rests on several criteria. Climate score, tourist crowds and feasible activities.
What you grasp in 5 seconds
Brittany offers 5 comfortable months, with 2 months to avoid (January, December). The gap is sharp: 8.2 in July vs 1.0 in December.
What to check next
Your tolerance for crowds and budget. The best months concentrate tourist saturation and higher prices. Shoulder seasons offer a good compromise.
Next action
Scroll down to the detailed table to compare month by month, then open the page of the month that interests you.
How we calculate the score
The score combines 4 weighted criteria using 10 years of real climate data (ERA5).
Source : ERA5 · Open-Meteo · 10 years (2016–2025) · Full methodology →
Compare all 12 months
Month-by-month details: temperature, rain, sunshine, score and verdict.
| Month | T° min | T° max | Rain % | mm/day | Sun | Score | Verdict |
|---|---|---|---|---|---|---|---|
| 🌧️ January → | 3°C | 9°C | 37% | 2.8mm | 2.5h | 1.0/10 | Tough conditions |
| 🌥️ February → | 4°C | 11°C | 36% | 2.1mm | 3.9h | 4.1/10 | Decent period |
| 🌥️ March → | 5°C | 12°C | 29% | 2.3mm | 4.7h | 4.2/10 | Decent period |
| 🌥️ April → | 6°C | 15°C | 33% | 1.9mm | 6.7h | 4.4/10 | Decent period |
| ☀️ May → | 10°C | 19°C | 29% | 2.0mm | 7.0h | 7.5/10 | Best period |
| ☀️ June → | 13°C | 22°C | 25% | 2.7mm | 7.4h | 7.9/10 | Best period |
| ☀️ July → | 14°C | 23°C | 23% | 1.5mm | 7.9h | 8.2/10 | Best period |
| ☀️ August → | 14°C | 24°C | 23% | 1.6mm | 7.4h | 8.2/10 | Best period |
| ☀️ September → | 13°C | 21°C | 26% | 2.1mm | 6.1h | 7.7/10 | Best period |
| 🌥️ October → | 10°C | 17°C | 35% | 2.8mm | 4.6h | 4.4/10 | Decent period |
| 🌥️ November → | 6°C | 13°C | 42% | 2.8mm | 3.3h | 4.1/10 | Decent period |
| 🌧️ December → | 5°C | 10°C | 40% | 2.8mm | 2.6h | 1.0/10 | Tough conditions |
Brittany week by week: your odds of avoiding rain
For each week of the year: in how many years out of 10 it was mostly dry (at most 2 rainy days), 2016 to 2025.
Safest week: Aug 20 to Aug 26, mostly dry in 10 years out of 10 (1.1 rainy day(s) on average).
Most exposed: Dec 3 to Dec 9, mostly dry in 3 years out of 10 (2.8 rainy days on average).
| Jan | Jan 14/109°C | Jan 85/108°C | Jan 154/107°C | Jan 225/109°C | Jan 294/1010°C |
|---|---|---|---|---|---|
| Feb | Feb 53/109°C | Feb 124/1011°C | Feb 197/1012°C | Feb 264/1011°C | |
| Mar | Mar 55/1012°C | Mar 128/1012°C | Mar 198/1013°C | Mar 266/1014°C | |
| Apr | Apr 25/1015°C | Apr 96/1016°C | Apr 168/1017°C | Apr 236/1016°C | Apr 306/1017°C |
| May | May 76/1018°C | May 146/1019°C | May 218/1020°C | May 289/1022°C | |
| Jun | Jun 48/1021°C | Jun 118/1022°C | Jun 186/1024°C | Jun 258/1024°C | |
| Jul | Jul 27/1023°C | Jul 97/1024°C | Jul 167/1026°C | Jul 238/1024°C | Jul 307/1024°C |
| Aug | Aug 66/1025°C | Aug 137/1024°C | Aug 2010/1024°C | Aug 275/1023°C | |
| Sep | Sep 38/1023°C | Sep 108/1022°C | Sep 177/1021°C | Sep 245/1019°C | |
| Oct | Oct 16/1018°C | Oct 87/1018°C | Oct 154/1018°C | Oct 225/1016°C | Oct 294/1015°C |
| Nov | Nov 54/1013°C | Nov 124/1013°C | Nov 194/1011°C | Nov 264/1010°C | |
| Dec | Dec 33/1010°C | Dec 105/1010°C | Dec 174/1010°C | Dec 245/1010°C |
A specific date? The app computes the same figure day by day.
Annual temperatures — Brittany
Min/max temperature curves observed over the past 10 years (ERA5). Shows climate stability and trend.
For your trip
A few angles depending on what kind of trip you are planning.
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
🎟️ Activities & tours · Brittany
GetYourGuide selection · free cancellation
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a city break.
Country · France
🌡️ Climate
🏛️ City break
Related destinations & guides
If this destination doesn't fit your dates, here are alternatives and guides.
Similar climate destinations
Nearby destinations
Bath Guides & rankings
Where is Brittany ?
Global position + regional geographic context.