Cestas weather in August

In August, Cestas sees average daytime highs of 27°C and overnight lows near 16°C, with 54 mm of rain across 7.5 wet days and about 13.9 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 40% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 14 h 30 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Cestas's 1st-clearest and 12th-windiest month. For the whole year in context, see Cestas's year-round climate.

Daytime high
27°
1st warmest
Overnight low
16°
11th coldest
Rainfall
54 mm
7.5 wet days
Daylight
13 h 54 min
6:10 AM – 8:03 PM
Cloud cover
48%
1st clearest
Wind
9 km/h
12th windiest
Solar energy
5.47 kWh/m²
Travel score
7.0
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical August day in Cestas reaches about 27°C in the afternoon and slips back to 16°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 34°C. Set against its neighbours, August runs on par with July and about 3°C warmer than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12816
22816
32816
42816
52816
62816
72816
82816
92816
102816
112816
122816
132816
142816
152816
162816
172816
182816
192816
202716
212716
222716
232716
242716
252716
262715
272715
282715
292715
302715
312615

Cestas weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 7211.392.4
Feb12° / 529.310.13.0
Mar15° / 5610.211.64.7
Apr18° / 7311.913.25.5
May21° / 11°7712.114.66.2
Jun25° / 14°659.415.36.9
Jul27° / 16°477.4157.0
Aug27° / 16°547.513.97.0
Sep24° / 13°608.812.37.1
Oct20° / 10°6910.510.76.1
Nov14° / 8211.79.43.9
Dec11° / 7511.48.72.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56337
66238
76238
86238
96238
106139
116139
126238
136238
146238
156238
166238
176139
186139
196139
206040
216040
226040
235941
245941
255941
265941
275941
285941
295842
305842
315941

Chance of precipitation in August

Any precipitation

Cestas gets around 54 mm of rain over 7.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
224
325
425
525
625
725
825
925
1024
1124
1224
1323
1423
1522
1622
1722
1822
1922
2022
2123
2223
2323
2423
2523
2624
2724
2824
2924
3024
3124

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1164034100
2164033100
3174132100
4174131101
5184131101
6184130101
7194129101
8194129101
9194129101
10204029101
11204029101
12213929101
13213929101
1421392991
1521393091
1621393091
1721383091
1821383191
1921383191
2022373281
2122373281
2223363281
2324353281
2425353181
2527343080
2628343080
2730342970
2832332870
2933332770
3035332660
3137322560

Wind in August

Winds average 9 km/h in August, the calmest month.

Across August, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 30 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over August. Sunrise moves from 5:53 AM to 6:28 AM, and sunset from 8:25 PM to 7:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.55:538:25
214.55:548:24
314.55:558:22
414.45:568:21
514.45:578:20
614.35:588:18
714.35:598:17
814.26:018:16
914.26:028:14
1014.26:038:13
1114.16:048:11
1214.16:058:10
1314.06:078:08
1414.06:088:07
1513.96:098:05
1613.96:108:03
1713.86:118:02
1813.86:138:00
1913.76:147:58
2013.76:157:57
2113.66:167:55
2213.66:177:53
2313.56:197:52
2413.56:207:50
2513.46:217:48
2613.46:227:46
2713.36:247:44
2813.36:257:43
2913.26:267:41
3013.26:277:39
3113.16:287:37

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.47 kWh/m².

For context, solar energy here swings from a low near 1.25 kWh/m² to a high of 6.18 kWh/m² in June across the year — August's 5.47 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.4Bright
205.4Bright
215.3Bright
225.3Bright
235.3Bright
245.2Bright
255.2Bright
265.2Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in August

Is August a good time to visit Cestas?

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

7.0
Sightseeing
2nd-best month of the year
7.3
Beach & pool
1st-best month of the year

August is one of the better times to visit Cestas for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Cestas in August

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

In August, Cestas sees daytime highs around 27°C and nights near 16°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

Sea temperature near Cestas in August

The nearest coast averages about 22°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 56 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 in Cestas in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Cestas 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
Location & terrain

Where is Cestas?

Cestas sits at 44.7°N, 0.7°W, 52 m above sea level, in France. The nearest listed city is Gradignan, 6.0 km away.

Topography around Cestas

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

Within 3 km, the terrain around Cestas has only modest variations in elevation — a maximum elevation change of 40 m around an average of 52 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 86 m; within 80 km, only modest variations in elevation — a maximum elevation change of 188 m.

The land around Cestas is covered by trees (71%) within 3 km, trees (50%) within 16 km, and trees (45%) and grassland (24%) within 80 km.

3 km
40 m
16 km
86 m
80 km
188 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Gradignan 6.0 km · Pessac 8.0 km · Villenave-d'Ornon 10 km · Talence 10 km · Mérignac 11 km · Bègles 12 km · Bordeaux 13 km · Le Bouscat 15 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 Cestas (44.7447°, -0.6819°, elevation 52 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).