Saint-Malo weather in October

In October, Saint-Malo sees average daytime highs of 16°C and overnight lows near 13°C, with 107 mm of rain across 15.3 wet days and about 10.5 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 14°C by the end. The sky is clear or mostly clear about 17% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of October to 9 h 42 min by month's end. Set against the rest of the year, October is Saint-Malo's 8th-clearest and 5th-windiest month. For the whole year in context, see Saint-Malo's year-round climate.

Daytime high
16°
5th warmest
Overnight low
13°
8th coldest
Rainfall
107 mm
15.3 wet days
Daylight
10 h 30 min
7:37 AM – 6:09 PM
Cloud cover
69%
8th clearest
Wind
25 km/h
5th windiest
Solar energy
2.23 kWh/m²
Travel score
4.2
out of 10
Air quality
Good
PM10 19.5 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 17°C in the first days to 14°C by the end.

A typical October day in Saint-Malo reaches about 16°C in the afternoon and slips back to 13°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 18°C. Set against its neighbours, October runs about 2°C cooler than September and about 3°C warmer than November.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11715
21714
31714
41714
51714
61714
71614
81614
91614
101614
111614
121614
131613
141613
151613
161613
171613
181513
191513
201513
211513
221513
231512
241512
251512
261512
271512
281512
291412
301412
311412

Saint-Malo weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 9114.88.51.6
Feb / 73139.81.5
Mar10° / 6612.211.62.1
Apr11° / 5810.413.42.9
May14° / 11°579.8154.0
Jun16° / 14°508.815.85.2
Jul18° / 16°489.315.56.2
Aug19° / 17°5910.214.26.1
Sep18° / 16°7610.712.45.7
Oct16° / 13°10715.310.54.2
Nov12° / 10°11716.392.8
Dec10° / 11916.18.11.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 18% of October, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23763
33763
43664
53664
63565
73466
83466
93466
103466
113664
123664
133664
143664
153664
163664
173664
183565
193565
203565
213565
223565
233565
243565
253466
263367
273367
283367
293367
303367
313367

Chance of precipitation in October

Any precipitation

Saint-Malo gets around 107 mm of rain over 15.3 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 49% and peaks near 52% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
148
249
349
449
549
649
749
849
949
1049
1148
1248
1348
1448
1549
1649
1749
1849
1949
2049
2149
2250
2350
2450
2550
2650
2750
2851
2951
3051
3152

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
161363
261363
362353
462353
564342
665332
765332
866322
966322
1068311
1169301
1270291
1370291
1471281
1572271
1673261
1774251
1876240
1977230
2078220
2179210
2280200
2381190
2482180
2583170
2684160
2785150
2886140
2987130
3088120
3189110

Wind in October

Winds average 25 km/h in October.

Across October, daily wind ranges from about 24 km/h on the calmest days to 27 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
324breezy
424breezy
524breezy
624breezy
724breezy
824breezy
924breezy
1024breezy
1124breezy
1224breezy
1324breezy
1424breezy
1524breezy
1625breezy
1725breezy
1825breezy
1925breezy
2025breezy
2125breezy
2225breezy
2326breezy
2426breezy
2526breezy
2626breezy
2726breezy
2826breezy
2926breezy
3027breezy
3127breezy

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 24 min at the start of October to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over October. Sunrise moves from 7:14 AM to 8:01 AM, and sunset from 6:40 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:146:40
211.47:156:38
311.37:176:36
411.37:186:34
511.27:206:32
611.17:216:29
711.17:236:27
811.07:256:25
911.07:266:23
1010.97:286:21
1110.87:296:19
1210.87:316:17
1310.77:326:15
1410.77:346:13
1510.67:356:11
1610.57:376:09
1710.57:386:07
1810.47:406:05
1910.47:426:03
2010.37:436:02
2110.27:456:00
2210.27:465:58
2310.17:485:56
2410.17:505:54
2510.07:515:53
2610.07:535:51
279.97:545:49
289.97:565:47
299.87:585:46
309.77:595:44
319.78:015:42

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.23 kWh/m².

For context, solar energy here swings from a low near 0.88 kWh/m² to a high of 6.22 kWh/m² in June across the year — October's 2.23 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.9Moderate
22.8Moderate
32.8Moderate
42.7Moderate
52.7Moderate
62.6Moderate
72.6Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.4Moderate
122.4Moderate
132.4Moderate
142.3Moderate
152.3Moderate
162.3Moderate
172.2Moderate
182.2Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.0Moderate
232.0Dim
241.9Dim
251.9Dim
261.9Dim
271.8Dim
281.8Dim
291.8Dim
301.7Dim
311.7Dim
Planning a trip in October

Is October a good time to visit Saint-Malo?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.2
Sightseeing
5th-best month of the year
0.4
Beach & pool
5th-best month of the year

October is a reasonable time to visit Saint-Malo for sightseeing.

What to pack for Saint-Malo in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Saint-Malo sees daytime highs around 16°C and nights near 13°C. Pack rain gear. Worth having: a warm layer and a windbreaker. About 15 days see rain.

rain geara warm layera windbreaker

Sea temperature near Saint-Malo in October

The nearest coast averages about 16°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 18°C and coldest in February near 9°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan9Bracing
Feb9Bracing
Mar9Bracing
Apr10Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug18Cool
Sep18Cool
Oct16Cool
Nov13Bracing
Dec11Bracing

UV index in Saint-Malo in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Saint-Malo peaks around June 17 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 11 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 17UV 7Jan 11UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul6High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Saint-Malo?

Saint-Malo sits at 48.6°N, 2.0°W, 10 m above sea level, in France. The nearest listed city is Saint-Brieuc, 58 km away.

Topography around Saint-Malo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saint-Malo.

Within 3 km, the terrain around Saint-Malo has only modest variations in elevation — a maximum elevation change of 52 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 144 m; within 80 km, significant variations in elevation — a maximum elevation change of 375 m.

The land around Saint-Malo is covered by water (47%) and artificial surfaces (31%) within 3 km, water (54%) within 16 km, and water (35%) and cropland (27%) within 80 km.

3 km
52 m
16 km
144 m
80 km
375 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Saint-Brieuc 58 km · Saint Helier 61 km · Rennes 65 km · Cesson-Sévigné 66 km · Fougères 68 km · Vitré 83 km · Saint-Lô 85 km · Pontivy 96 km

France travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 77% of US
price level, 2025
GDP per capita
$48,986
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.3
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 539
Religion
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Saint-Malo (48.6474°, -2.0088°, elevation 10 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).