Brittany weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Brittany, France. Like most weather services, we show Brittany at one spot: Rennes, its largest city. At 12:30 AM local time it was cloudy and 8°C (47°F). Little to no rain in the next 24 hours. Best months for weather: May–Sep.
Current conditions
- Clouds
- 90%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Nov–Feb
About Rennes weather
Is it raining in Rennes right now?
No. It’s cloudy and 8° right now. Little to no rain in the next 24 hours.
What’s the weather like in Rennes this week?
Over the next 7 days, expect highs of 9–16° and lows of 3–7°. Rain is likely on 1 of 7 days (Thursday). The driest day looks like Sunday.
Has it been raining in Rennes lately?
In the past 7 days, Rennes had 1 rainy day and 4.0 mm of rain in total.
What should I pack for Rennes?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Brittany weather by month
When is the best time to visit Brittany?
Based on weather alone, the best time to visit Brittany is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Feb tends to be the least pleasant. Average highs run from 8°C (47°F) in January to 24°C (76°F) in July.
What is the rainiest month in Brittany?
December is the wettest month, with about 80 mm (3.1 in) of rain on average. September is the driest, with about 42 mm (1.7 in).
What is the hottest month in Brittany?
July is the warmest, with average highs of 24°C (76°F) and lows of 13°C (56°F). January is the coolest, with highs of 8°C (47°F) and lows of 2°C (36°F).
Does Brittany have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is December at about 80 mm (3.1 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Rennes), forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Brittany
Weather can differ a lot within Brittany: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| Rennes | May–Sep | None | 8–24°C | 707 mm |
| Brest | Jun–Sep | None | 9–20°C | 897 mm |
| Quimper | Jun–Sep | None | 10–20°C | 935 mm |
| Lorient | Jun–Sep | None | 10–21°C | 732 mm |
| Vannes | May–Sep | None | 9–24°C | 718 mm |
| Saint-Brieuc | Jun–Sep | None | 9–22°C | 746 mm |
| Saint-Malo | May–Sep | None | 8–22°C | 724 mm |
| Lanester | May–Sep | None | 9–24°C | 791 mm |
| Fougères | May–Sep | None | 8–23°C | 729 mm |
| Lannion | Jun–Sep | None | 9–22°C | 859 mm |
| Concarneau | May–Sep | None | 9–23°C | 884 mm |
| Ploemeur | Jun–Sep | None | 10–21°C | 732 mm |