Best time to visit Saint-Malo

The best time to visit Saint-Malo for warm-weather activities is from mid-July to mid-August; however, anytime from mid-May to mid-September is good for a range of outdoor activities.

Saint-Malo Weather

Located in the northwest of France on the northern coast of Brittany, Saint-Malo has a temperate climate that is generally cool, rainy and windy all year-round. However, you can still expect warm and sunny days during summer.

Winter is milder than in the rest of northern France, because ocean currents prevail, and the wind often blows from the south. The sky is often cloudy, humidity is high and the wind may blow moderate or strong. Rainfall is frequent.

Summer temperatures are mild to cool. However, on the hottest days of summer, the temperature may reach 30°C (86°F). It can also rain.

What is the best month to visit Saint-Malo?
July and August are the best months to visit Saint-Malo – the climate is perfect with warm, sunny weather and little to no rainfall.

To avoid the crowds, higher prices and heat of summer, the months of June and September are also good for a range of outdoor activities.

Which is the hottest month in Saint-Malo?
The warmest month in Saint-Malo is usually August, with an average high temperature of 22°C (71°F) and a low of 13°C (55°F).

However, on the warmest days of the month, the temperature may climb to around 30°C (86°F).

The warm season lasts from mid-June to mid-September, with an average daily high temperature above 20°C (68°F).

Which is the coldest month in Saint-Malo?
The coldest month in Saint-Malo is January, with an average high of 9°C (48°F) and a low of 3°C (37°F).

The cold season lasts from mid-November to mid-March, with an average daily high temperature below 12°C (53°F).

Which is the sunniest month in Saint-Malo?
The sunniest month in Saint-Malo is usually August with an average of 6.5 hours of sunshine per day; that's on average 45% of daylight hours. The sunniest months are May through August.

When is the sea warmest in Saint-Malo?
The sea is usually at its warmest in Saint-Malo in August when water temperatures average 18°C (64°F), which is still too cold for swimming. In Saint-Malo, it is never warm enough for swimming.

Which month has the most rain in Saint-Malo?
November is usually the wettest month in Saint-Malo with 95mm (3.7in) of rainfall on average, distributed across 18 days.

The rainy season lasts from late-September to late-February, with a greater than 26% chance of a given day being a wet day.

The drier season lasts from late-February to late-September. The month with the least rainfall in Saint-Malo is July, with 40mm of rainfall, distributed across 11 days on average.

Which is the windiest month in Saint-Malo?
The windiest month of the year in Saint-Malo is January, with an average hourly wind speed of 23 kilometres per hour (13 knots).

The windy part of the year lasts from early-October through to early-April, with average wind speeds of more than 20 kilometres per hour (11 knots).

The less-windy time of year lasts from mid-April through to early-October. The calmest month of the year in Saint-Malo is August, with an average hourly wind speed of 16 kilometres per hour (8 knots).

The predominant average hourly wind direction varies throughout the year in Saint-Malo.

Saint-Malo Weather Averages

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average high temperature (°C)
9 10 12 14 17 20 22 22 20 16 12 9
Average low temperature (°C)
3 3 5 6 9 12 13 13 12 9 6 4
Average daily sunshine (hrs)
2 3 4 5 6 7 6 6 5 3 2 2
Average daily daylight (hrs)
8 10 12 13 15 16 15 14 12 10 9 8
Comfort level
Cold Cold Cold Cold No heat & humidity No heat & humidity Low heat & humidity icon Low heat & humidity icon No heat & humidity No heat & humidity Cold Cold
Average relative humidity (%)
84 81 79 77 78 78 78 79 79 83 85 85
UV Index (max)
1 2 3 4 6 7 7 6 4 3 1 1
Average days of rainfall (≥1mm)
19 15 17 15 15 12 11 12 13 16 18 19
Average monthly rainfall (mm)
80 70 65 50 55 50 40 50 60 75 95 90
Average wind speed (km/h)
23 22 21 19 18 17 16 16 18 20 22 23
Average sea temperature (°C)
10 9 9 10 12 14 17 18 17 15 13 12
Saint-Malo, France

Holiday seasons

High season: July and August. Typically, peak season in France revolves around school holidays – Christmas and New Year, mid-February to mid-March, Easter, July and August. Expect high hotel prices, packed beaches and traffic-clogged roads.

Low season: Spring and Autumn offer the best deals and reasonable weather despite the occasional rain showers.

Source: Meteorological data for Saint-Malo is based on weather statistics gathered for the 30-year period 1991 to 2020 by Météo-France from the nearest weather station: Dinard–Pleurtuit–Saint-Malo Airport (DNR), located 8km (5mi) southwest of Saint-Malo.

Advice on the best time to visit a particular destination is based on average local weather statistics, when the weather conditions are generally better than at other times of the year. We consider high and low temperatures, risk of rain (and thunderstorms, etc.), amount of sunshine and sea temperature. For general outdoor activities we favour clear, rainless days with a temperature range between 18°C (64°F) and 27°C (80°F); and for hot-weather activities we favour clear, rainless days with a temperature range between 24°C (75°F) and 32°C (89°F). Often, the best times to visit correspond to high season and therefore involve higher prices.

More about Saint-Malo…

Latest update: Saint-Malo weather: 11 May, 2024

Disclaimer: The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data and conditions at any given location and time are unpredictable and variable. We assume no responsibility and can not be held legally responsible for any decisions made on the basis of the information presented on this site.