Les Sables-d'Olonne weather in July

In July, Les Sables-d'Olonne sees average daytime highs of 21°C and overnight lows near 17°C, with 33 mm of rain across 6.6 wet days and about 15.2 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 43% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 15 h 36 min at the start of July to 14 h 42 min by month's end. Set against the rest of the year, July is Les Sables-d'Olonne's 1st-clearest and 11th-windiest month. For the whole year in context, see Les Sables-d'Olonne's year-round climate.

Daytime high
21°
2nd warmest
Overnight low
17°
11th coldest
Rainfall
33 mm
6.6 wet days
Daylight
15 h 18 min
5:34 AM – 8:51 PM
Cloud cover
47%
1st clearest
Wind
17 km/h
11th windiest
Solar energy
6.26 kWh/m²
Travel score
7.3
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical July day in Les Sables-d'Olonne reaches about 21°C in the afternoon and slips back to 17°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 26°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)
12116
22116
32116
42116
52116
62117
72117
82117
92117
102117
112117
122117
132117
142117
152117
162117
172217
182217
192217
202217
212217
222217
232217
242217
252217
262217
272217
282217
292217
302217
312217

Les Sables-d'Olonne weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan10° / 9113.48.81.8
Feb10° / 6410.5102.0
Mar12° / 5710.711.62.9
Apr14° / 529.913.33.9
May17° / 12°549.914.85.3
Jun20° / 15°397.815.56.5
Jul21° / 17°336.615.27.3
Aug22° / 17°406.8147.3
Sep20° / 15°568.212.46.6
Oct17° / 13°9312.710.74.9
Nov13° / 10°10613.99.23.2
Dec10° / 10014.18.42.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
36139
46139
56139
66238
76337
86436
96436
106436
116535
126634
136634
146634
156733
166733
176733
186634
196634
206634
216634
226634
236634
246634
256634
266634
276535
286535
296535
306535
316535

Chance of precipitation in July

Any precipitation

Les Sables-d'Olonne gets around 33 mm of rain over 6.6 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 21% and peaks near 23% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
122
222
322
423
523
623
723
823
923
1023
1122
1221
1321
1421
1520
1620
1720
1820
1920
2020
2119
2219
2319
2419
2519
2619
2719
2819
2919
3020
3120

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 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12847233
22747232
32748232
42648242
52648242
62648242
72549252
82549251
92448261
102448261
112448272
122348272
132347282
142247293
152146293
162146303
172046314
181945324
191845335
201744345
211644355
221544366
231543366
241443376
251442377
261342387
271342387
281242397
291242397
301241397
311241397

Wind in July

Winds average 17 km/h in July.

Across July, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1916light 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 July

DaylightNight

Daylight runs from about 15 h 36 min at the start of July to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over July. Sunrise moves from 5:23 AM to 5:51 AM, and sunset from 8:58 PM to 8:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.65:238:58
215.65:248:58
315.65:248:57
415.55:258:57
515.55:258:57
615.55:268:57
715.55:278:56
815.55:288:56
915.55:288:55
1015.45:298:55
1115.45:308:54
1215.45:318:54
1315.45:328:53
1415.35:338:53
1515.35:338:52
1615.35:348:51
1715.25:358:50
1815.25:368:50
1915.25:378:49
2015.25:388:48
2115.15:398:47
2215.15:408:46
2315.15:428:45
2415.05:438:44
2515.05:448:43
2614.95:458:42
2714.95:468:41
2814.95:478:39
2914.85:488:38
3014.85:508:37
3114.75:518:36

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.26 kWh/m².

For context, solar energy here swings from a low near 1.07 kWh/m² to a high of 6.33 kWh/m² in June across the year — July's 6.26 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.1Intense
286.1Intense
296.1Intense
306.0Intense
316.0Intense
Planning a trip in July

Is July a good time to visit Les Sables-d'Olonne?

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

7.3
Sightseeing
1st-best month of the year
4.6
Beach & pool
2nd-best month of the year

July is one of the better times to visit Les Sables-d'Olonne for general sightseeing.

What to pack for Les Sables-d'Olonne in July

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

In July, Les Sables-d'Olonne sees daytime highs around 21°C and nights near 17°C. Pack sun protection. About 7 days see rain.

sun protection

Sea temperature near Les Sables-d'Olonne in July

The nearest coast averages about 19°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 15 km away) is warmest in August at about 20°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
Jan11Bracing
Feb10Bracing
Mar10Bracing
Apr12Bracing
May15Bracing
Jun17Cool
Jul19Cool
Aug20Cool
Sep19Cool
Oct17Cool
Nov15Bracing
Dec12Bracing

UV index in Les Sables-d'Olonne 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 Les Sables-d'Olonne peaks around July 20 at about 7 (very 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 20UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun7High
Jul7Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Les Sables-d'Olonne?

Les Sables-d'Olonne sits at 46.5°N, 1.8°W, 7 m above sea level, in France. The nearest listed city is La Roche-sur-Yon, 33 km away.

Topography around Les Sables-d'Olonne

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Les Sables-d'Olonne.

Within 3 km, the terrain around Les Sables-d'Olonne has only modest variations in elevation — a maximum elevation change of 31 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 94 m; within 80 km, significant variations in elevation — a maximum elevation change of 339 m.

The land around Les Sables-d'Olonne is covered by artificial surfaces (40%) and water (39%) within 3 km, water (57%) within 16 km, and water (43%), cropland (25%) and grassland (20%) within 80 km.

3 km
31 m
16 km
94 m
80 km
339 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: La Roche-sur-Yon 33 km · Challans 39 km · La Rochelle 61 km · Les Herbiers 72 km · Fontenay-le-Comte 75 km · Bouguenais 77 km · Vertou 78 km · Rezé 79 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 Les Sables-d'Olonne (46.4969°, -1.7847°, elevation 7 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).