Climate and average weather in La Teste-de-Buch

In La Teste-de-Buch, the summers are warm, fairly dry, and mostly clear and the winters are cool and partly cloudy.

Best: late May to late September

Over the course of the year, the temperature in La Teste-de-Buch typically varies from 7°C to 24°C, and is rarely below 2°C or above 28°C. August is the hottest month of the year, while January is the coldest.

Based on the travel score, the best time of year to visit La Teste-de-Buch for warm-weather activities is from late May to late September.

Hottest
Aug
24°
Coldest
Jan
Wettest
Nov
106 mm
Driest
Jul
42 mm
Rain / yr
816 mm
125 wet days
Daylight
8.6–15.4 h
shortest–longest
Elevation
5 m
44.6°N
Clearest
Aug
44% cloud

La Teste-de-Buch is human settlement in France.

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

La Teste-de-Buch weather by month, at a glance

The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.

Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around late May to late September.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

Daily average highs and lows in La Teste-de-Buch, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.

The hot season lasts 3.6 months, from June 7 to September 25, with daily high temperatures above 20°C. The hottest month of the year in La Teste-de-Buch is August, with an average high of 24°C and low of 19°C.

The cool season lasts 3.6 months, from November 22 to March 12, with daily high temperatures below 13°C. The coldest month of the year in La Teste-de-Buch is January, with an average low of 7°C and high of 10°C.

Days typically run about 4°C warmer than nights year-round.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan107
Feb117
Mar138
Apr1510
May1814
Jun2117
Jul2319
Aug2419
Sep2117
Oct1814
Nov1410
Dec118

Average hourly temperature in La Teste-de-Buch

A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on August afternoons, near 24°C, and coldest before dawn in January, near C.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM

La Teste-de-Buch weather by month

Every month at a glance. Click a month for its detailed page.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan10° / 8112.392.3
Feb11° / 5910.110.12.5
Mar13° / 5610.611.63.7
Apr15° / 10°641113.24.5
May18° / 14°6210.514.65.8
Jun21° / 17°598.915.36.7
Jul23° / 19°427.4157.6
Aug24° / 19°507.813.97.6
Sep21° / 17°66912.36.8
Oct18° / 14°8111.110.75.7
Nov14° / 10°10613.79.43.6
Dec11° / 90138.72.7

Chance of rain

How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.

La Teste-de-Buch gets about 816 mm of precipitation a year. On a typical day the chance of rain is often wet, but that rises and falls sharply with the seasons.

The wetter season lasts 5.1 months, from around Oct 1 to Mar 5, peaking in November at about 46% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Jul 23.

November is the wettest month by volume, with 106 mm over about 14 wet days; July is the driest, with 42 mm.

0%10%20%30%40%50%60%JanFebMarAprMayJunJulAugSepOctNovDecwetterdrierwettermostly drysome rainoften wetvery wetNov 11 · 46%Jul 23 · 21%
Rain on a day (%)Rain days
Jan4012
Feb3610
Mar3311
Apr3611
May3511
Jun309
Jul237
Aug248
Sep319
Oct3711
Nov4414
Dec4213

Monthly rainfall

Over a full year, La Teste-de-Buch collects about 816 mm of rain across 125 wet days — roughly 68 mm in an average month.

It doesn’t fall evenly. November is the wettest month with 106 mm, while July is the driest at just 42 mm. The three wettest months alone bring about 34% of the year’s total.

0255075100125JanFebMarAprMayJunJulAugSepOctNovDec8159566462594250668110690
Rainfall (mm)Rain days
Jan8112
Feb5910
Mar5611
Apr6411
May6211
Jun599
Jul427
Aug508
Sep669
Oct8111
Nov10614
Dec9013

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

How often the daytime sky is clear, partly cloudy or overcast.

In La Teste-de-Buch, the average share of the sky covered by clouds shows significant seasonal variation over the course of the year.

The clearer part of the year begins around May 19 and lasts for 4.6 months, ending around October 5. The clearest month is August, when the sky is clear, mostly clear, or partly cloudy 68% of the time on average.

The cloudier part of the year begins around October 6 and lasts for 5.9 months, ending around April 4. The cloudiest month is January, when it is overcast or mostly cloudy 66% of the time.

0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JanFebMarAprMayJunJulAugSepOctNovDecJul 28 · 70%Dec 28 · 32%clearmostly clearpartly cloudymostly cloudyovercastcloudierclearercloudier
Clearer (%)Cloudier (%)
Jan3466
Feb4060
Mar4555
Apr4753
May4852
Jun5842
Jul6634
Aug6832
Sep5941
Oct4654
Nov3763
Dec3565

Daylight, sunrise and sunset

DaylightNight

Hours of daylight through the year, with sunrise and sunset times.

The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. The longest day, around June 16, brings about 15 h 24 min of light; the shortest, around December 16, only 8 h 36 min — a swing of roughly 6 h 48 min.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan9.08:445:43
Feb10.18:156:23
Mar11.67:267:03
Apr13.26:287:42
May14.65:438:19
Jun15.35:248:45
Jul15.05:388:42
Aug13.96:128:05
Sep12.36:507:08
Oct10.77:286:12
Nov9.48:105:30
Dec8.78:415:20

Sunny days

How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.

La Teste-de-Buch averages about 9 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 5 and 15 days.

The sunnier stretch runs 4.4 months, from around May 21 to Sep 30. The sunniest month is July, with roughly 14 sunny days (mixed).

The greyest month is January, down near 6 sunny days — about 59% fewer than the July peak.

05101520JanFebMarAprMayJunJulAugSepOctNovDecgreyersunniergreyergloomymixedbrightJul 2115 daysJan 115 days
Sunny daysSky
Jan6Gloomy
Feb7Gloomy
Mar9Mixed
Apr9Mixed
May9Mixed
Jun11Mixed
Jul14Mixed
Aug15Mixed
Sep12Mixed
Oct9Mixed
Nov6Gloomy
Dec7Gloomy

Humidity comfort

DryComfortableHumidMuggyOppressiveMiserable

Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.

Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.

In La Teste-de-Buch, how humid it feels changes dramatically over the year.

The more humid part of the year lasts 4.1 months, from around June 4 to October 7. The muggiest month is July, when the air feels humid, muggy or worse about 60% of the time.

The most comfortable stretch runs from around October 8 to June 3, and April is the most comfortable month — the air is dry or comfortable 100% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecApr 6 · 100%Jul 29 · 29%muggycomfortablehumiddrycomfortablehumidcomfortable
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
Jan1000000
Feb1000000
Mar1000000
Apr964000
May6927400
Jun28422650
Jul73344151
Aug53043202
Sep25393060
Oct52371100
Nov909000
Dec991000

Wind

Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.

This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.

Across the year, average wind speed in La Teste-de-Buch is typically light breeze, near 15 km/h, and varies little with the seasons.

The windier part of the year lasts 5.9 months, from around Oct 21 to Apr 18. The windiest month is December, averaging about 17 km/h (light breeze).

The calmer part of the year runs from around Apr 19 to Oct 20, with August the calmest month at about 13 km/h.

0510152025JanFebMarAprMayJunJulAugSepOctNovDecwindiercalmerwindiercalmlight breezebreezyDec 28 · 17 km/hAug 14 · 13 km/h
Wind speed (km/h)Feels
Jan17light breeze
Feb16light breeze
Mar16light breeze
Apr15light breeze
May14light breeze
Jun14light breeze
Jul13light breeze
Aug13light breeze
Sep14light breeze
Oct15light breeze
Nov16light breeze
Dec17light breeze

Best time to visit La Teste-de-Buch

TravelBeach/poolTemperatureCloudsPrecipitation

To characterize how pleasant the weather is in La Teste-de-Buch throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.

Around late September, La Teste-de-Buch is still near the tail of its best-weather window — great conditions with the peak-season crowds already thinning.

Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.

The travel score favors clear, rainless days with daytime highs between 18°C and 28°C. Based on this score, the best time of year to visit La Teste-de-Buch for general outdoor tourist activities is from late May to late September, with a peak score in the last week of July.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timetravel scoretemperaturecloudsprecipitationJul 24 · 7.8

The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Travel score (0–10)Rating
Jan2.3poor
Feb2.6poor
Mar3.6fair
Apr4.5fair
May5.8good
Jun6.7good
Jul7.6ideal
Aug7.6ideal
Sep6.8good
Oct5.6good
Nov3.7fair
Dec2.7poor

The beach/pool score favors clear, rainless days with daytime highs between 24°C and 34°C. Based on this score, the best time of year to visit La Teste-de-Buch for hot-weather activities is from early July to early September, with a peak score in the last week of July.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebeach/pool scoretemperaturecloudsprecipitationJul 28 · 6.5

The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

What to pack for La Teste-de-Buch, by month

EssentialRecommendedOptional

Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.

For a warm-season trip around August (highs near 24°C), the essentials are light clothes and sun protection. In the cold season around January (highs near 10°C), pack a warm layer and rain gear.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In August, La Teste-de-Buch sees daytime highs around 24°C and nights near 19°C. Worth packing: light clothes and sun protection. About 8 days see rain.

Sea temperature near La Teste-de-Buch

Average ocean temperature at the nearest coast, month by month, banded into swim-comfort zones — the other half of the beach question.

The sea at the nearest coast (about 18 km away) is warmest in August at about 22°C and coldest in February near 12°C.

It's comfortable for a long swim from Jul 7 to Sep 18 — about 2.4 months when the water holds above 20°C.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb12Bracing
Mar12Bracing
Apr13Bracing
May16Cool
Jun18Cool
Jul21Refreshing
Aug22Refreshing
Sep20Refreshing
Oct18Cool
Nov16Cool
Dec14Bracing

UV index (midday) in La Teste-de-Buch by month

LowModerateHighVery highExtreme

Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.

Under clear skies, the midday UV index in La Teste-de-Buch peaks around July 18 at about 8 (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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 18UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Average hourly UV index in La Teste-de-Buch

LowModerateHighVery highExtreme

Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.

The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

UV falls off far faster than brightness as the sun drops, so even in July the burn window is concentrated in the middle of the day: about 8 hours a day reach index 3 (protection recommended), and 4.5 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM
UV ≥ 3 (h/day)UV ≥ 6 (h/day)
Jan00
Feb00
Mar4.50
Apr60
May71
Jun83.5
Jul84.5
Aug73.5
Sep50
Oct1.50
Nov00
Dec00
Almanac & agriculture

Growing season

Chance of a frost-free dayFrost-free year round

La Teste-de-Buch is frost-free year round — even the coldest nights rarely reach freezing, so there is no start or end to the growing season.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDecfrost-free year round
Frost-free chance (%)Frost nights
Jan980
Feb980
Mar1000
Apr1000
May1000
Jun1000
Jul1000
Aug1000
Sep1000
Oct1000
Nov1000
Dec980

Growing degree days

Degree days (base 10°C)Frost-free shaded

Growing degree days tally heat above 10°C: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. La Teste-de-Buch banks about 1,743 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around August.

05001,0001,5002,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan0
Feb0
Mar24
Apr82
May181
Jun265
Jul336
Aug345
Sep268
Oct182
Nov59
Dec1

Solar energy

Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.

Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.

La Teste-de-Buch receives about 3.9 kWh/m² a day of solar energy on average — moderate — with a clear seasonal swing between 1.3 and 6.5 kWh/m².

The brighter stretch of the year lasts 6.2 months, from around Mar 19 to Sep 22. The brightest month is June, averaging about 6.4 kWh/m² (intense).

The dimmest month is December, down near 1.3 kWh/m² — roughly 80% less than the June peak.

012345678JanFebMarAprMayJunJulAugSepOctNovDecdimmerbrighterdimmerdimmoderatebrightintenseJun 246.5 kWhDec 241.3 kWh
Solar energy (kWh/m²)Level
Jan1.5Dim
Feb2.4Moderate
Mar3.8Moderate
Apr5.1Bright
May5.9Bright
Jun6.4Intense
Jul6.3Intense
Aug5.6Bright
Sep4.3Bright
Oct2.8Moderate
Nov1.7Dim
Dec1.3Dim

Where is La Teste-de-Buch?

La Teste-de-Buch sits at 44.6°N, 1.1°W, 5 m above sea level, in France. The nearest listed city is Gujan-Mestras, 6.0 km away.

Topography around La Teste-de-Buch

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of La Teste-de-Buch.

Within 3 km, the terrain around La Teste-de-Buch has only modest variations in elevation — a maximum elevation change of 70 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 96 m; within 80 km, only modest variations in elevation — a maximum elevation change of 139 m.

The land around La Teste-de-Buch is covered by trees (43%) and artificial surfaces (34%) within 3 km, water (41%) and trees (37%) within 16 km, and trees (44%) and water (28%) within 80 km.

3 km
70 m
16 km
96 m
80 km
139 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
Nearby: Gujan-Mestras 6.0 km · Cestas 39 km · Saint-Médard-en-Jalles 45 km · Gradignan 45 km · Pessac 45 km · Mérignac 46 km · Eysines 48 km · Talence 48 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 La Teste-de-Buch (44.6328°, -1.1451°, elevation 5 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).