Gujan-Mestras weather in October

In October, Gujan-Mestras sees average daytime highs of 19°C and overnight lows near 12°C, with 73 mm of rain across 10.6 wet days and about 10.7 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 17°C by the end. The sky is clear or mostly clear about 28% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 10 hours by month's end. Set against the rest of the year, October is Gujan-Mestras's 6th-clearest and 8th-windiest month. For the whole year in context, see Gujan-Mestras's year-round climate.

Daytime high
19°
6th warmest
Overnight low
12°
7th coldest
Rainfall
73 mm
10.6 wet days
Daylight
10 h 42 min
7:27 AM – 6:11 PM
Cloud cover
60%
6th clearest
Wind
11 km/h
8th windiest
Solar energy
2.72 kWh/m²
Travel score
5.9
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 17°C by the end.

A typical October day in Gujan-Mestras reaches about 19°C in the afternoon and slips back to 12°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 23°C. Set against its neighbours, October runs about 4°C cooler than September and about 5°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12114
22114
32114
42013
52013
62013
72013
82013
92013
102013
112013
121913
131913
141912
151912
161912
171912
181912
191812
201812
211812
221812
231811
241811
251811
261711
271711
281711
291711
301711
311710

Gujan-Mestras weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan10° / 7211.592.3
Feb11° / 529.410.12.8
Mar14° / 5410.711.64.2
Apr17° / 661213.25.0
May20° / 13°7011.614.66.0
Jun23° / 16°639.315.37.0
Jul25° / 18°467.8157.3
Aug26° / 18°53813.97.3
Sep23° / 15°63912.37.0
Oct19° / 12°7310.610.75.9
Nov14° / 8812.59.43.7
Dec11° / 7711.88.72.6

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34654
44654
54654
64555
74555
84555
94555
104555
114555
124456
134456
144555
154456
164456
174357
184456
194456
204456
214456
224357
234357
244357
254258
264258
274258
284159
294159
304159
314060

Chance of precipitation in October

Any precipitation

Gujan-Mestras gets around 73 mm of rain over 10.6 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
233
333
433
533
633
733
834
934
1035
1135
1235
1336
1436
1537
1637
1737
1837
1937
2037
2136
2236
2336
2435
2535
2635
2735
2836
2936
3037
3137

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14241161
24341151
34440151
44540151
54639141
64738141
74838131
84937131
95037121
105137120
115237110
125337100
135337100
14543790
15543790
16553780
17563770
18563770
19583660
20583660
21603550
22613450
23633340
24643240
25653140
26673030
27692830
28702730
29732520
30752320
31762220

Wind in October

Winds average 11 km/h in October.

Across October, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over October. Sunrise moves from 7:08 AM to 7:48 AM, and sunset from 6:39 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:086:39
211.57:096:37
311.47:106:35
411.47:126:33
511.37:136:31
611.27:146:29
711.27:166:27
811.17:176:25
911.17:186:24
1011.07:196:22
1111.07:216:20
1210.97:226:18
1310.97:236:16
1410.87:256:15
1510.87:266:13
1610.77:276:11
1710.77:296:10
1810.67:306:08
1910.67:316:06
2010.57:336:05
2110.57:346:03
2210.47:356:01
2310.47:376:00
2410.37:385:58
2510.37:395:57
2610.27:415:55
2710.27:425:54
2810.17:445:52
2910.17:455:51
3010.17:465:49
3110.07:485:48

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.72 kWh/m².

For context, solar energy here swings from a low near 1.25 kWh/m² to a high of 6.27 kWh/m² in June across the year — October's 2.72 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.3Moderate
43.2Moderate
53.2Moderate
63.1Moderate
73.1Moderate
83.0Moderate
93.0Moderate
103.0Moderate
112.9Moderate
122.9Moderate
132.8Moderate
142.8Moderate
152.7Moderate
162.7Moderate
172.7Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.3Moderate
282.3Moderate
292.2Moderate
302.2Moderate
312.2Moderate
Planning a trip in October

Is October a good time to visit Gujan-Mestras?

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

5.9
Sightseeing
6th-best month of the year
2.4
Beach & pool
6th-best month of the year

October is a reasonable time to visit Gujan-Mestras for sightseeing.

What to pack for Gujan-Mestras in October

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

In October, Gujan-Mestras sees daytime highs around 19°C and nights near 12°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Gujan-Mestras in October

The nearest coast averages about 18°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 24 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 Gujan-Mestras in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gujan-Mestras 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 Gujan-Mestras?

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

Topography around Gujan-Mestras

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

Within 3 km, the terrain around Gujan-Mestras has only modest variations in elevation — a maximum elevation change of 26 m around an average of 6 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 149 m.

The land around Gujan-Mestras is covered by water (28%), trees (27%) and artificial surfaces (27%) within 3 km, trees (49%) and water (23%) within 16 km, and trees (44%), water (26%) and grassland (20%) within 80 km.

3 km
26 m
16 km
96 m
80 km
149 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: La Teste-de-Buch 6.0 km · Cestas 33 km · Gradignan 39 km · Pessac 39 km · Saint-Médard-en-Jalles 40 km · Mérignac 41 km · Talence 42 km · Villenave-d'Ornon 43 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 Gujan-Mestras (44.636°, -1.0681°, 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).