Vannes weather in October

In October, Vannes sees average daytime highs of 16°C and overnight lows near 10°C, with 78 mm of rain across 11.6 wet days and about 10.6 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 15°C by the end. The sky is clear or mostly clear about 18% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 9 h 48 min by month's end. Set against the rest of the year, October is Vannes's 9th-clearest and 7th-windiest month. For the whole year in context, see Vannes's year-round climate.

Daytime high
16°
6th warmest
Overnight low
10°
8th coldest
Rainfall
78 mm
11.6 wet days
Daylight
10 h 36 min
7:38 AM – 6:14 PM
Cloud cover
69%
9th clearest
Wind
15 km/h
7th windiest
Solar energy
2.27 kWh/m²
Travel score
4.8
out of 10
Air quality
Good
PM2.5 8.9 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 18°C in the first days to 15°C by the end.

A typical October day in Vannes reaches about 16°C in the afternoon and slips back to 10°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 19°C. Set against its neighbours, October runs about 4°C cooler than September and about 4°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11811
21811
31811
41811
51811
61711
71711
81711
91711
101710
111710
121710
131710
141610
151610
161610
171610
181610
191610
201610
21169
22159
23159
24159
25159
26159
27159
28159
29159
30159
31149

How October really feels in Vannes

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Vannes weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 7411.38.71.7
Feb10° / 589.59.92.0
Mar12° / 5210.111.63.1
Apr14° / 571113.34.1
May17° / 10°5811.114.95.4
Jun20° / 13°478.415.76.4
Jul22° / 14°39815.47.1
Aug22° / 14°45814.17.0
Sep20° / 12°497.912.46.6
Oct16° / 10°7811.610.64.8
Nov12° / 7311.79.13.1
Dec10° / 8311.98.31.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23466
33466
43268
53268
63169
73268
83268
93169
103169
113169
123268
133268
143367
153367
163466
173466
183466
193466
203565
213565
223466
233466
243466
253466
263466
273466
283466
293466
303466
313367

Chance of precipitation in October

Any precipitation

Vannes gets around 78 mm of rain over 11.6 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 38% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
335
435
535
635
735
835
935
1035
1135
1236
1336
1436
1537
1637
1738
1838
1939
2039
2140
2240
2340
2441
2541
2641
2741
2841
2941
3041
3141

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 (%)
165296
265296
366286
466286
567276
667276
769265
869265
969265
1070255
1171254
1271254
1371254
1472253
1572253
1672253
1773252
1874242
1975241
2075241
2176231
2276231
2377221
2478211
2579210
2680200
2781190
2882180
2983170
3084160
3185150

Wind in October

Winds average 15 km/h in October.

Across October, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 9 h 48 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 7:16 AM to 8:01 AM, and sunset from 6:44 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:166:44
211.47:186:42
311.37:196:40
411.37:216:37
511.27:226:35
611.27:246:33
711.17:256:31
811.07:276:29
911.07:286:27
1010.97:296:25
1110.97:316:23
1210.87:326:21
1310.87:346:19
1410.77:356:18
1510.67:376:16
1610.67:386:14
1710.57:406:12
1810.57:416:10
1910.47:436:08
2010.47:446:06
2110.37:466:05
2210.37:486:03
2310.27:496:01
2410.17:515:59
2510.17:525:58
2610.07:545:56
2710.07:555:54
289.97:575:53
299.97:585:51
309.88:005:49
319.88:015:48

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.27 kWh/m².

For context, solar energy here swings from a low near 0.95 kWh/m² to a high of 6.11 kWh/m² in June across the year — October's 2.27 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.9Moderate
22.9Moderate
32.8Moderate
42.8Moderate
52.7Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.4Moderate
132.4Moderate
142.4Moderate
152.3Moderate
162.3Moderate
172.3Moderate
182.2Moderate
192.2Moderate
202.2Moderate
212.1Moderate
222.1Moderate
232.0Moderate
242.0Moderate
252.0Dim
261.9Dim
271.9Dim
281.9Dim
291.8Dim
301.8Dim
311.8Dim
Planning a trip in October

Is October a good time to visit Vannes?

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

4.8
Sightseeing
6th-best month of the year
0.8
Beach & pool
6th-best month of the year

October is a reasonable time to visit Vannes for sightseeing.

What to pack for Vannes in October

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

In October, Vannes sees daytime highs around 16°C and nights near 10°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Vannes 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 at the nearest coast (about 27 km away) is warmest in August at about 18°C and coldest in February near 10°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
Jan10Bracing
Feb10Bracing
Mar10Bracing
Apr12Bracing
May14Bracing
Jun16Cool
Jul18Cool
Aug18Cool
Sep17Cool
Oct16Cool
Nov14Bracing
Dec12Bracing

UV index in Vannes 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 Vannes peaks around August 10 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 10UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May6High
Jun7High
Jul7High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Vannes?

Vannes sits at 47.7°N, 2.8°W, 20 m above sea level, in France. The nearest listed city is Guérande, 44 km away.

Topography around Vannes

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

Within 3 km, the terrain around Vannes has only modest variations in elevation — a maximum elevation change of 64 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 177 m; within 80 km, significant variations in elevation — a maximum elevation change of 395 m.

The land around Vannes is covered by artificial surfaces (40%) and trees (36%) within 3 km, trees (33%), grassland (27%) and cropland (20%) within 16 km, and water (33%), trees (24%) and cropland (23%) within 80 km.

3 km
64 m
16 km
177 m
80 km
395 m
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Guérande 44 km · Lanester 45 km · Lorient 47 km · Pontivy 48 km · La Baule-Escoublac 50 km · Ploemeur 51 km · Saint-Nazaire 59 km · Concarneau 90 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 Vannes (47.6569°, -2.762°, elevation 20 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).