Les Sables-d'Olonne weather in March

In March, Les Sables-d'Olonne sees average daytime highs of 12°C and overnight lows near 7°C, with 57 mm of rain across 10.7 wet days and about 11.6 hours of daylight. It is the 9th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 10°C in the first days to 12°C by the end. The sky is clear or mostly clear about 26% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Les Sables-d'Olonne's 7th-clearest and 5th-windiest month. For the whole year in context, see Les Sables-d'Olonne's year-round climate.

Daytime high
12°
9th warmest
Overnight low
4th coldest
Rainfall
57 mm
10.7 wet days
Daylight
11 h 36 min
7:29 AM – 7:04 PM
Cloud cover
61%
7th clearest
Wind
20 km/h
5th windiest
Solar energy
3.54 kWh/m²
Travel score
2.9
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 10°C in the first days to 12°C by the end.

A typical March day in Les Sables-d'Olonne reaches about 12°C in the afternoon and slips back to 7°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 14°C. Set against its neighbours, March runs about 2°C warmer than February and about 2°C cooler than April.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1107
2107
3107
4117
5117
6117
7117
8117
9117
10117
11117
12117
13117
14127
15128
16128
17128
18128
19128
20128
21128
22128
23128
24128
25128
26128
27128
28128
29128
30128
31128

Les Sables-d'Olonne weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 6th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 15% of March, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23862
33862
43862
53961
63961
74060
84159
94060
104159
114258
124258
134357
144357
154357
164258
174258
184258
194258
204258
214357
224357
234258
244357
254456
264456
274456
284555
294456
304555
314654

Chance of precipitation in March

Any precipitation

Les Sables-d'Olonne gets around 57 mm of rain over 10.7 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
337
437
536
635
733
832
931
1030
1129
1228
1328
1428
1528
1628
1729
1830
1931
2032
2133
2234
2335
2436
2537
2637
2738
2838
2938
3038
3137

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in March

Winds average 20 km/h in March.

Across March, daily wind ranges from about 19 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
520breezy
620breezy
720breezy
820breezy
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3120light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 48 min at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 96 minutes over March. Sunrise moves from 7:58 AM to 6:59 AM, and sunset from 6:43 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.87:586:43
210.87:566:44
310.97:546:46
410.97:526:47
511.07:506:49
611.07:496:50
711.17:476:52
811.17:456:53
911.27:436:55
1011.37:416:56
1111.37:396:57
1211.47:376:59
1311.47:357:00
1411.57:337:02
1511.57:317:03
1611.67:297:04
1711.67:277:06
1811.77:257:07
1911.87:237:09
2011.87:217:10
2111.97:197:11
2211.97:177:13
2312.07:157:14
2412.07:137:16
2512.17:117:17
2612.27:097:18
2712.27:077:20
2812.37:057:21
2912.37:037:23
3012.47:017:24
3112.46:597:25

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.54 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 — March's 3.54 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.8Moderate
32.9Moderate
42.9Moderate
53.0Moderate
63.0Moderate
73.1Moderate
83.1Moderate
93.2Moderate
103.3Moderate
113.3Moderate
123.4Moderate
133.4Moderate
143.5Moderate
153.5Moderate
163.6Moderate
173.6Moderate
183.7Moderate
193.7Moderate
203.8Moderate
213.8Moderate
223.9Moderate
233.9Moderate
244.0Moderate
254.0Moderate
264.0Bright
274.1Bright
284.1Bright
294.2Bright
304.2Bright
314.3Bright
Planning a trip in March

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

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

2.9
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Les Sables-d'Olonne.

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

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

In March, Les Sables-d'Olonne sees daytime highs around 12°C and nights near 7°C. Pack a warm layer. Worth having: rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Les Sables-d'Olonne in March

The nearest coast averages about 10°C in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 4 — 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
March 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).