Wedding weather data · France
Wedding weather in Brittany
In Brittany, the driest months for a wedding are July and August, when rain falls on about 28% of days. The wettest is March, with rain on about 45% of days. Here is the full picture, month by month, from 10 years of daily weather records.
Rain odds and temperatures by month
| Month | Chance of a rainy day | Heavy rain | Rainy days | Avg high | Avg low | Sunshine |
|---|---|---|---|---|---|---|
| January | 41% | 5% | 12.6 | 48°F (9°C) | 38°F (3°C) | 4.3 h/day |
| February | 40% | 5% | 11.3 | 51°F (10°C) | 38°F (4°C) | 5.7 h/day |
| March | 45% | 4% | 13.8 | 55°F (13°C) | 41°F (5°C) | 7.4 h/day |
| April | 35% | 4% | 10.6 | 60°F (16°C) | 43°F (6°C) | 10 h/day |
| May | 40% | 7% | 12.4 | 66°F (19°C) | 49°F (10°C) | 10.7 h/day |
| June | 36% | 9% | 10.8 | 72°F (22°C) | 55°F (13°C) | 11.5 h/day |
| July ✦ | 28% | 3% | 8.7 | 76°F (24°C) | 58°F (15°C) | 11.7 h/day |
| August ✦ | 30% | 5% | 9.3 | 75°F (24°C) | 58°F (15°C) | 10.8 h/day |
| September | 33% | 6% | 9.8 | 70°F (21°C) | 55°F (13°C) | 9.3 h/day |
| October | 37% | 8% | 11.4 | 63°F (17°C) | 50°F (10°C) | 7 h/day |
| November | 42% | 8% | 12.7 | 54°F (12°C) | 44°F (7°C) | 5.4 h/day |
| December | 40% | 8% | 12.5 | 50°F (10°C) | 41°F (5°C) | 4.3 h/day |
Source: Open-Meteo Historical Weather API (ERA5 reanalysis), daily data 2015–2024 for 48.12, -1.68. Rainy day ≥ 1 mm, heavy rain ≥ 10 mm. Climatology, not a forecast.
Best months for a wedding in Brittany
Weighing low rain odds with comfortable temperatures (roughly 18–29 °C / 65–84 °F highs), the best months for an outdoor wedding in Brittany are July and August.
When to be careful
March is the wettest month in Brittany: rain falls on about 45% of days, and 4% of days bring heavy rain (10 mm or more). Book a solid backup if you marry then.
How to read these numbers
A "rainy day" is a day with at least 1 mm (0.04 in) of rain. A 30% chance means about 3 in 10 days in that month saw at least a little rain, often a short shower. For your exact date and venue, use our free rain odds tool.
Brittany weather month by month
What a wedding day in Brittany usually looks like in each month, from 10 years of daily weather records.
Brittany weather in January
In January, it rains (1 mm or more) on 41% of days in Brittany, about 12.6 days in the month, and 5% of days bring heavy rain. Typical highs are 48°F (9°C), lows 38°F (3°C), with around 4.3 hours of sunshine a day. One of the wettest months here: plan a covered ceremony or a tent from the start.
Brittany weather in February
In February, it rains (1 mm or more) on 40% of days in Brittany, about 11.3 days in the month, and 5% of days bring heavy rain. Typical highs are 51°F (10°C), lows 38°F (4°C), with around 5.7 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Brittany weather in March
In March, it rains (1 mm or more) on 45% of days in Brittany, about 13.8 days in the month, and 4% of days bring heavy rain. Typical highs are 55°F (13°C), lows 41°F (5°C), with around 7.4 hours of sunshine a day. One of the wettest months here: plan a covered ceremony or a tent from the start.
Brittany weather in April
In April, it rains (1 mm or more) on 35% of days in Brittany, about 10.6 days in the month, and 4% of days bring heavy rain. Typical highs are 60°F (16°C), lows 43°F (6°C), with around 10 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Brittany weather in May
In May, it rains (1 mm or more) on 40% of days in Brittany, about 12.4 days in the month, and 7% of days bring heavy rain. Typical highs are 66°F (19°C), lows 49°F (10°C), with around 10.7 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Brittany weather in June
In June, it rains (1 mm or more) on 36% of days in Brittany, about 10.8 days in the month, and 9% of days bring heavy rain. Typical highs are 72°F (22°C), lows 55°F (13°C), with around 11.5 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Brittany weather in July
In July, it rains (1 mm or more) on 28% of days in Brittany, about 8.7 days in the month, and 3% of days bring heavy rain. Typical highs are 76°F (24°C), lows 58°F (15°C), with around 11.7 hours of sunshine a day. One of the driest months here: a good bet for an outdoor ceremony.
Brittany weather in August
In August, it rains (1 mm or more) on 30% of days in Brittany, about 9.3 days in the month, and 5% of days bring heavy rain. Typical highs are 75°F (24°C), lows 58°F (15°C), with around 10.8 hours of sunshine a day. One of the driest months here: a good bet for an outdoor ceremony.
Brittany weather in September
In September, it rains (1 mm or more) on 33% of days in Brittany, about 9.8 days in the month, and 6% of days bring heavy rain. Typical highs are 70°F (21°C), lows 55°F (13°C), with around 9.3 hours of sunshine a day. One of the driest months here: a good bet for an outdoor ceremony.
Brittany weather in October
In October, it rains (1 mm or more) on 37% of days in Brittany, about 11.4 days in the month, and 8% of days bring heavy rain. Typical highs are 63°F (17°C), lows 50°F (10°C), with around 7 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Brittany weather in November
In November, it rains (1 mm or more) on 42% of days in Brittany, about 12.7 days in the month, and 8% of days bring heavy rain. Typical highs are 54°F (12°C), lows 44°F (7°C), with around 5.4 hours of sunshine a day. One of the wettest months here: plan a covered ceremony or a tent from the start.
Brittany weather in December
In December, it rains (1 mm or more) on 40% of days in Brittany, about 12.5 days in the month, and 8% of days bring heavy rain. Typical highs are 50°F (10°C), lows 41°F (5°C), with around 4.3 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Frequently asked questions
What is the best month to get married in Brittany?
Based on 10 years of weather data, July is the driest month in Brittany, with rain on about 28% of days and average highs around 76°F (24°C). Overall, the best months for an outdoor wedding there are July and August.
What is the rainiest month in Brittany?
March is the rainiest month in Brittany: on average 13.8 days of the month see at least 1 mm of rain, and about 4% of days bring heavy rain.
Will it rain on my wedding day in Brittany?
Nobody can forecast your wedding day months ahead. What history shows is the chance of rain: in July it rains on about 28% of days in Brittany. Check your exact date with our free rain odds tool, then watch the real forecast from about 7 days out.