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France

Saint-Malo

Sun, sea & sand

Saint-Malo at a glance

Best time
Jul – Aug
Warmest month
Aug · 20°
Warmest sea
Aug · 18.3°
Sunshine a year
1,730 h
Rain a year
760 mm
Climate
Maritime
Time zone
UTC+1 / UTC+2
Elevation
10 m

Climate in Saint-Malo

Saint-Malo has a maritime climate with moderate summers and cool, often grey winters. August is the warmest month with average highs of 20 °C, while January is the coolest at 9 °C. With around 1,730 hours of sunshine a year, Saint-Malo is moderately sunny; July is the sunniest month with 7.1 hours a day.

Holiday weather through the year

Your holiday weather, at a glance

Weather in October

10

Holiday weather in October

Poor

Best time to visit: July – August

Keep in mindFrequent rain

A typical day in October

  1. Morning, 08:00: about 13°
  2. Midday, 13:00: about 16°
  3. Afternoon, 16:00: about 16°
  4. Evening, 20:00: about 15°
  5. Night, 23:00: about 14°

08:2619:21

Cool evenings: pack a jumper or a jacket.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 08:07–09:09 · evening 18:38–19:40
Blue hour
Morning 07:55–08:07 · evening 19:40–19:53

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

What is the weather like in Saint-Malo in October?

In October, Saint-Malo is mild: daytime highs average 16 °C, and nights cool down to about 12 °C. The sea averages 16.1 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 12 rainy days and 75 mm in total. All in all, October is not an ideal month for a holiday in Saint-Malo.

More details for October

Daylight
10 h 55 min08:26 – 19:21
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
21 km/haverage daily peakAll months
Cloud cover
69 %on averageAll months
Hot days
0 days30 °C or more
Time zone
UTC+2Europe/Paris

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %12 %
  • Few rainy daysweight 20 %41 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • A jumper for the evenings
  • Rain jacket or umbrella
Swimming calendar

Sea temperature in Saint-Malo

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October16.1°Ccold

8 in 10 years: 15.4 – 16.8 °C

Swimming season: Never above 20 °C

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 16.1°8 in 10 years 15.4° – 16.8°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Saint-Malo ranges from 8.7 °C in February to 18.3 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.

From November to January the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 17.7 and 19.1 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan9.5°8.4°10.2°cold
FebruaryFeb8.7°7.8°9.5°cold
MarchMar8.9°7.8°9.8°cold
AprilApr10.4°9.4°11.4°cold
MayMay12.5°11.7°13.3°cold
JuneJun15.0°14.4°16.1°cold
JulyJul17.1°16.2°17.9°fresh
AugustAug18.3°17.7°19.1°fresh
SeptemberSep17.9°17.2°18.6°fresh
OctoberOct16.1°15.4°16.8°cold
NovemberNov13.6°13.0°14.3°cold
DecemberDec11.1°10.4°11.8°cold
Sunshine

Sunshine hours in Saint-Malo

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
1,730 hours
Sunniest month
Jul · 7.1 h a day
Least sunshine
Dec · 2.1 h a day
OctoberSunshine 3.7 hDaylight 10.9 hShare of daylight 34 %
SunshineDaylight

In October, the sun shines for about 3.7 of 10.9 hours of daylight in Saint-Malo, 34 % of the day.

Sunshine hours: measured at the weather station 9 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.

Sun protection

UV index in Saint-Malo

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
2 · lowLittle protection needed; sunglasses on bright days.

The sun is strongest in June (UV 8).

Minutes until sunburn in October

Very fair skin
about 55 min
Fair skin
about 70 min
Light brown skin
about 100 min
Olive skin
over 2 h

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Rain

Rain in Saint-Malo: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
760 mm on 137 days
Wettest month
Dec · 76 mm
Driest month
Sep · 52 mm
OctoberRainy days 12Rainfall 75 mm

In October, Saint-Malo has about 12 rainy days with 75 mm of rain in total.

Wind & clouds

Wind and clouds in Saint-Malo

How breezy and how cloudy Saint-Malo is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
21 km/h · moderate breeze
Windiest month
Dec · 23 km/h
Calmest month
Aug · 18 km/h
OctoberWind 21 km/hBeaufort 4
20
WindBeaufort 4

In October, the wind in Saint-Malo typically peaks at 21 km/h during the day: Beaufort 4, moderate breeze.

Breezy months for windsurfing and kiting

From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Oct – May.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
66 % · mostly cloudy
Clearest month
Jul · 58 %
Cloudiest month
Jan · 73 %
OctoberCloud cover 69 %Sunshine 3.7 h

In October, cloud covers on average 69 % of the sky over Saint-Malo: mostly cloudy, with about 3.7 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Saint-Malo

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Cold 0–8°
  • Cool 8–15°
  • Pleasant 15–20°

CoolOctober: nights around 12°. A duvet at night and a jumper for the evening.

The coolest nights are in January (5°), the warmest in August (16°). Nights are pleasant for sleeping (15 to 20 °C) from July to September. Nights fall below 8 °C on average from December to March, so the room should be heated.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 16°Night 12°Sea 16°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan89°5°9.5°2.2 h1265
FebruaryFeb119°5°8.7°3.2 h1155
MarchMar1211°7°8.9°4.3 h1258
AprilApr1913°8°10.4°5.9 h1161
MayMay2115°11°12.5°6.5 h1266
JuneJun2418°14°15.0°6.9 h1062
JulyJul3120°15°17.1°7.1 h1060
AugustAug3620°16°18.3°6.5 h1056
SeptemberSep2619°15°17.9°5.7 h952
OctoberOct1016°12°16.1°3.7 h1275
NovemberNov712°9°13.6°2.6 h1374
DecemberDec610°7°11.1°2.1 h1476

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

48.65° N, 2.01° W · 10 m · Europe/Paris

Best time to visit

Best time to visit Saint-Malo

The best time to visit Saint-Malo is from July to August. The sea stays too cool for a classic beach holiday: even in August it only reaches 18.3 °C. For sightseeing, day trips and hiking, conditions are most comfortable from May to September. Rain is most frequent in March and from October to January; the wettest month is December with 76 mm.

Saint-Malo through the seasons

How the weather changes over the seasons, with averages for each.

Saint-Malo in spring

Mar – May

17

Poor

  • 11–15 °C by day
  • Sea 11 °C
  • 6 h of sun a day
  • 35 rainy days in all

Saint-Malo in summer

Jun – Aug

30

Poor

  • 18–20 °C by day
  • Sea 17 °C
  • 7 h of sun a day
  • 30 rainy days in all

Saint-Malo in autumn

Sep – Nov

14

Poor

  • 12–19 °C by day
  • Sea 16 °C
  • 4 h of sun a day
  • 35 rainy days in all

Saint-Malo in winter

Dec – Feb

8

Poor

  • 9–10 °C by day
  • Sea 10 °C
  • 3 h of sun a day
  • 37 rainy days in all

Find your perfect month

Tell us what you like and we rate every month in Saint-Malo for you.

Swimming in the sea
Sunshine
Little rain

Your best months: July – September

Based on the climate averages; tap a month to see its details.

Compare two months in Saint-Malo

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs.

August has the better holiday weather in Saint-Malo: score 36 against 10. In August, days are 4 °C warmer than in October. The sea is 2 °C warmer in August. August has 2 fewer rainy days. The sun shines 3 hours longer a day in August.

October vs. August, Saint-Malo
MonthOctoberAugust
Weather score1036better
Day high16°20°
Night low12°16°
Sea16.1°18.3°
Sunshine3.7 h6.5 hbetter
Rainy days1210better
Rainfall75 mm56 mmbetter
Muggy days0better1

Based on the climate averages 1996–2025.

Which month for what?

Beach & swimming

No month

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

May – Sep

15–28 °C and not too much rain

Rainy months

Mar, Oct – Jan

12 or more rainy days

Saint-Malo month by month

The typical weather for every month at a glance.

8January9° · Sea 10° · 2 h

In January, Saint-Malo is cold: daytime highs average 9 °C, and nights cool down to about 5 °C. The sea averages 9.5 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 12 rainy days and 65 mm in total. All in all, January is not an ideal month for a holiday in Saint-Malo.

Saint-Malo in January
11February9° · Sea 9° · 3 h

In February, Saint-Malo is cold: daytime highs average 9 °C, and nights cool down to about 5 °C. The sea averages 8.7 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 11 rainy days and 55 mm in total. All in all, February is not an ideal month for a holiday in Saint-Malo.

Saint-Malo in February
12March11° · Sea 9° · 4 h

In March, Saint-Malo is cool: daytime highs average 11 °C, and nights cool down to about 7 °C. The sea averages 8.9 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 58 mm in total. All in all, March is not an ideal month for a holiday in Saint-Malo.

Saint-Malo in March
19April13° · Sea 10° · 6 h

In April, Saint-Malo is cool: daytime highs average 13 °C, and nights cool down to about 8 °C. The sea averages 10.4 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 61 mm in total. All in all, April is not an ideal month for a holiday in Saint-Malo.

Saint-Malo in April
21May15° · Sea 13° · 7 h

In May, Saint-Malo is cool: daytime highs average 15 °C, and nights cool down to about 11 °C. The sea averages 12.5 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 66 mm in total. All in all, May is not an ideal month for a holiday in Saint-Malo.

Saint-Malo in May
24June18° · Sea 15° · 7 h

In June, Saint-Malo is mild: daytime highs average 18 °C, and nights cool down to about 14 °C. The sea averages 15.0 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 62 mm in total. All in all, June is not an ideal month for a holiday in Saint-Malo.

Saint-Malo in June
31July20° · Sea 17° · 7 h

In July, Saint-Malo is mild: daytime highs average 20 °C, and nights cool down to about 15 °C. The sea averages 17.1 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 60 mm in total. All in all, July is not an ideal month for a holiday in Saint-Malo.

Saint-Malo in July
36August20° · Sea 18° · 7 h

In August, Saint-Malo is mild: daytime highs average 20 °C, and nights cool down to about 16 °C. The sea averages 18.3 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 56 mm in total. All in all, August is not an ideal month for a holiday in Saint-Malo.

Saint-Malo in August
26September19° · Sea 18° · 6 h

In September, Saint-Malo is mild: daytime highs average 19 °C, and nights cool down to about 15 °C. The sea averages 17.9 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 52 mm in total. All in all, September is not an ideal month for a holiday in Saint-Malo.

Saint-Malo in September
10October16° · Sea 16° · 4 h

In October, Saint-Malo is mild: daytime highs average 16 °C, and nights cool down to about 12 °C. The sea averages 16.1 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 12 rainy days and 75 mm in total. All in all, October is not an ideal month for a holiday in Saint-Malo.

Saint-Malo in October
7November12° · Sea 14° · 3 h

In November, Saint-Malo is cool: daytime highs average 12 °C, and nights cool down to about 9 °C. The sea averages 13.6 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 13 rainy days and 74 mm in total. All in all, November is not an ideal month for a holiday in Saint-Malo.

Saint-Malo in November
6December10° · Sea 11° · 2 h

In December, Saint-Malo is cold: daytime highs average 10 °C, and nights cool down to about 7 °C. The sea averages 11.1 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 14 rainy days and 76 mm in total. All in all, December is not an ideal month for a holiday in Saint-Malo.

Saint-Malo in December
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Saint-Malo compared

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Saint-Malo vs. Saint Helier

In October the holiday weather in Saint-Malo and Saint Helier is about equally good (score 10 vs. 8). During the day it is about as warm in Saint Helier as in Saint-Malo. The sea is about equally warm.

Saint-Malo vs. Saint Helier, in October
in OctoberSaint-MaloSaint Helier
Holiday score108
Daytime high16°16°
Sea16°16°
Sunshine4 h4 h
Rainy days1215
Best timeJul – AugJun – Sep

Through the year

OctoberSaint-Malo 16°Saint Helier 16°
Saint-MaloSaint Helier
Go to Saint Helier
Ranking

France in October: the best places

In October, Saint-Malo ranks 22 among the 31 nearest destinations in this country.

  1. Poitiers18°66
  2. 2Angers17°65
  3. 3Tours18°65
  4. 4Fontainebleau17°65
  5. 5Nantes17°63
  6. 6Orléans17°62
  7. 7Le Mans17°60
  8. 8Rennes17°59
  9. 22Saint-MaloThis page16°16°10
All destinations: France

Planning a trip to Saint-Malo

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Saint-Malo in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Saint-Malo has its best school-holiday weather during the summer holidays (score 34) and its weakest during the Christmas holidays (score 7).

  • Easter holidays

    Mar – Apr

    17

    Poor

    • 12 °C by day
    • Sea 10 °C
    • 5.4 h of sun a day
    • 12 rainy days a month

    Keep in mind: Frequent rain

  • May half-term

    May – Jun

    22

    Poor

    • 16 °C by day
    • Sea 13 °C
    • 6.6 h of sun a day
    • 11 rainy days a month

    Good for: Sightseeing & walks

  • Summer holidays

    Jul – Aug

    34

    PoorBest holidays

    • 20 °C by day
    • Sea 18 °C
    • 6.7 h of sun a day
    • 10 rainy days a month

    Good for: Sightseeing & walks

  • October half-term

    Oct

    10

    Poor

    • 16 °C by day
    • Sea 16 °C
    • 3.7 h of sun a day
    • 12 rainy days a month

    Keep in mind: Frequent rain

  • Christmas holidays

    Dec – Jan

    7

    Poor

    • 9 °C by day
    • Sea 10 °C
    • 2.2 h of sun a day
    • 13 rainy days a month

    Keep in mind: Frequent rain

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
Short trip – train or car is often quicker
Distance
330 km
Time zone
UTC+2
Jet lag
Hardly any (under 3 h)

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Frequently asked questions about Saint-Malo

When is the best time to visit Saint-Malo?

The best time to visit Saint-Malo is from July to August. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Saint-Malo?

The sea temperature in Saint-Malo ranges from 8.7 °C in February to 18.3 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.

Can you swim in Saint-Malo in October?

Only if you don't mind cold water: in October the sea averages just 16.1 °C. Comfortable swimming temperatures are not reached at any time of year.

What is the warmest month in Saint-Malo?

August is the warmest month, with average highs of 20 °C and nights around 16 °C. January is the coolest month at 9 °C.

When does it rain most in Saint-Malo?

Rain is most frequent in March and from October to January; the wettest month is December with 76 mm. The driest month is September with 52 mm.

How many hours of sunshine does Saint-Malo get?

Saint-Malo gets around 1,730 hours of sunshine a year. The sunniest month is July with 7.1 hours a day; in December there are 2.1 hours a day.

What time zone is Saint-Malo in?

Saint-Malo uses the time zone Europe/Paris: UTC+1 in January and UTC+2 in July.

Which school holidays are best for Saint-Malo?

Saint-Malo has its best school-holiday weather during the summer holidays (score 34) and its weakest during the Christmas holidays (score 7). Holiday ratings (0–100): Easter holidays 17, May half-term 22, Summer holidays 34, October half-term 10, Christmas holidays 7.

Near Saint-Malo

Other destinations close by.

Places with a climate like Saint-Malo

Destinations whose weather through the year is closest to Saint-Malo's – good alternatives.

  1. 89% similar8TorquayUnited Kingdom15°16°Best time: Jun – Aug
  2. 89% similar11ChichesterUnited Kingdom15°16°Best time: Jun – Aug
  3. 88% similar10Lyme RegisUnited Kingdom15°16°Best time: Jul – Aug
  4. 88% similar9ExeterUnited Kingdom15°16°Best time: Jun – Aug