Vannes weather in July

In July, Vannes sees average daytime highs of 22°C and overnight lows near 14°C, with 39 mm of rain across 8 wet days and about 15.4 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 27% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 15 h 42 min at the start of July to 14 h 54 min by month's end. Set against the rest of the year, July is Vannes's 1st-clearest and 10th-windiest month. For the whole year in context, see Vannes's year-round climate.

Daytime high
22°
1st warmest
Overnight low
14°
12th coldest
Rainfall
39 mm
8 wet days
Daylight
15 h 24 min
5:34 AM – 8:59 PM
Cloud cover
59%
1st clearest
Wind
14 km/h
10th windiest
Solar energy
5.89 kWh/m²
Travel score
7.1
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical July day in Vannes reaches about 22°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12114
22214
32214
42214
52214
62214
72214
82214
92214
102214
112214
122214
132214
142214
152214
162214
172214
182314
192314
202314
212314
222314
232315
242315
252315
262315
272315
282315
292315
302315
312315

How July really feels in Vannes

Once humidity and wind are folded in, July 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

July 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 July compares with the rest of the year at a glance. July is the 1st-warmest and 12th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34555
44555
54753
64753
74753
84753
94852
105050
115050
125050
135149
145149
155149
165149
175149
185050
195050
204951
214951
224852
234852
244852
254753
264753
274753
284753
294555
304555
314555

Chance of precipitation in July

Any precipitation

Vannes gets around 39 mm of rain over 8 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
429
529
628
728
827
926
1025
1124
1223
1322
1422
1521
1621
1721
1822
1922
2022
2123
2223
2323
2424
2524
2624
2724
2824
2925
3025
3125

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 48% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14344121
24245121
34146121
44046121
54047121
63948121
73948121
83848131
93848131
103749131
113749141
123649141
133649151
143549151
153449161
163349171
173249181
183149191
193049201
202948212
212848222
222748232
232648242
242548252
252548262
262448262
272447272
282447272
292347282
302347282
312346292

Wind in July

Winds average 14 km/h in July.

Across July, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 42 min at the start of July to 14 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over July. Sunrise moves from 5:22 AM to 5:51 AM, and sunset from 9:07 PM to 8:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.75:229:07
215.75:239:06
315.75:239:06
415.75:249:06
515.75:259:06
615.75:259:05
715.65:269:05
815.65:279:04
915.65:289:04
1015.65:289:03
1115.65:299:03
1215.55:309:02
1315.55:319:02
1415.55:329:01
1515.55:339:00
1615.45:348:59
1715.45:358:59
1815.45:368:58
1915.35:378:57
2015.35:388:56
2115.35:398:55
2215.25:408:54
2315.25:418:53
2415.25:438:52
2515.15:448:51
2615.15:458:49
2715.05:468:48
2815.05:478:47
2915.05:498:46
3014.95:508:45
3114.95:518:43

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.89 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 — July's 5.89 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Bright
166.0Bright
176.0Bright
186.0Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.6Bright
315.6Bright
Planning a trip in July

Is July a good time to visit Vannes?

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

7.1
Sightseeing
1st-best month of the year
5.0
Beach & pool
1st-best month of the year

July is one of the better times to visit Vannes for general sightseeing.

What to pack for Vannes in July

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

In July, Vannes sees daytime highs around 22°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

Sea temperature near Vannes in July

The nearest coast averages about 18°C in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 7 — enough to warrant sun protection. 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
July 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).