Gujan-Mestras weather in June

In June, Gujan-Mestras sees average daytime highs of 23°C and overnight lows near 16°C, with 63 mm of rain across 9.3 wet days and about 15.3 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 31% of the time in June, and the air most often feels comfortable.

Daylight stretches from about 15 h 06 min at the start of June to 15 h 18 min by month's end. Set against the rest of the year, June is Gujan-Mestras's 4th-clearest and 9th-windiest month. For the whole year in context, see Gujan-Mestras's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
16°
10th coldest
Rainfall
63 mm
9.3 wet days
Daylight
15 h 24 min
5:24 AM – 8:45 PM
Cloud cover
55%
4th clearest
Wind
11 km/h
9th windiest
Solar energy
6.27 kWh/m²
Travel score
7.0
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 24°C by the end.

A typical June day in Gujan-Mestras reaches about 23°C in the afternoon and slips back to 16°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°C. Set against its neighbours, June runs about 3°C warmer than May and about 2°C cooler than July.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12215
22215
32215
42215
52215
62215
72215
82315
92315
102315
112315
122315
132316
142316
152316
162316
172416
182416
192416
202416
212416
222416
232416
242417
252417
262417
272417
282417
292417
302417

Gujan-Mestras weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 7th-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 June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 22% of June, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24753
34753
44753
54654
64753
74753
84753
94951
105050
115050
125149
135248
145248
155347
165446
175545
185644
195644
205743
215842
225842
235842
245842
255842
265842
275743
285743
295644
305644

Chance of precipitation in June

Any precipitation

Gujan-Mestras gets around 63 mm of rain over 9.3 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
338
438
538
638
738
837
937
1036
1136
1235
1334
1433
1532
1631
1730
1829
1928
2027
2126
2226
2326
2426
2526
2627
2727
2827
2928
3028

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the comfortable band about 41% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14840120
24640130
34541140
44441150
54341160
64240171
74140171
84140181
94040191
103940201
113740212
123641212
133541222
143441233
153241233
163141243
173042244
182942254
192842255
202742265
212642275
222442285
232342296
242241306
252241317
262141327
272040337
281940347
291840347
301840357

Wind in June

Winds average 11 km/h in June.

Across June, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
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
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 06 min at the start of June to 15 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 5:28 AM to 5:27 AM, and sunset from 8:35 PM to 8:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.15:288:35
215.15:288:36
315.25:278:37
415.25:278:38
515.25:268:38
615.25:268:39
715.25:268:40
815.35:258:41
915.35:258:41
1015.35:258:42
1115.35:248:43
1215.35:248:43
1315.35:248:44
1415.35:248:44
1515.35:248:45
1615.45:248:45
1715.45:248:46
1815.45:248:46
1915.45:248:46
2015.45:248:47
2115.45:248:47
2215.45:248:47
2315.45:258:47
2415.45:258:48
2515.45:258:48
2615.45:258:48
2715.45:268:48
2815.45:268:48
2915.45:278:48
3015.35:278:48

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.27 kWh/m² — the sunniest month for solar.

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 — June's 6.27 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.4Intense
246.4Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in June

Is June a good time to visit Gujan-Mestras?

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

7.0
Sightseeing
3rd-best month of the year
5.5
Beach & pool
3rd-best month of the year

June is one of the better times to visit Gujan-Mestras for general sightseeing.

What to pack for Gujan-Mestras in June

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

In June, Gujan-Mestras sees daytime highs around 23°C and nights near 16°C. Pack sun protection. Worth having: light clothes and rain gear. About 9 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Gujan-Mestras in June

The nearest coast averages about 18°C in June — 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 June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 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
June 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).