Mont-de-Marsan weather in June

In June, Mont-de-Marsan sees average daytime highs of 26°C and overnight lows near 15°C, with 59 mm of rain across 9.2 wet days and about 15.2 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 27°C by the end. The sky is clear or mostly clear about 29% of the time in June, and the air most often feels dry.

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

Daytime high
26°
3rd warmest
Overnight low
15°
10th coldest
Rainfall
59 mm
9.2 wet days
Daylight
15 h 18 min
5:24 AM – 8:40 PM
Cloud cover
58%
4th clearest
Wind
8 km/h
9th windiest
Solar energy
6.06 kWh/m²
Travel score
6.7
out of 10
Air quality
Good
PM2.5 7.6 µg/m³ · 2019

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 25°C in the first days to 27°C by the end.

A typical June day in Mont-de-Marsan reaches about 26°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 33°C. Set against its neighbours, June runs about 4°C warmer than May and about 2°C cooler than July.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12513
22514
32514
42514
52514
62514
72514
82514
92514
102514
112514
122614
132615
142615
152615
162615
172615
182715
192715
202715
212715
222715
232715
242716
252716
262716
272716
282716
292716
302716

Mont-de-Marsan 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
Jan11° / 66119.12.6
Feb13° / 529.510.23.4
Mar16° / 5610.711.65.1
Apr19° / 7412.213.25.7
May22° / 12°7211.914.56.3
Jun26° / 15°599.215.26.7
Jul29° / 16°457.814.96.2
Aug29° / 16°517.713.86.1
Sep25° / 14°508.312.37.0
Oct21° / 11°6210.210.86.3
Nov15° / 7411.59.54.2
Dec12° / 68118.82.8

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 16% of June, with mostly cloudy or overcast conditions the remaining 55%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24060
34060
44060
53961
63961
73961
83961
93961
104060
114060
124258
134258
144456
154456
164555
174654
184852
194951
204951
215050
225149
235149
245149
255149
265149
275149
285149
295149
305050

Chance of precipitation in June

Any precipitation

Mont-de-Marsan gets around 59 mm of rain over 9.2 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 31% 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
238
338
438
538
638
737
836
936
1035
1134
1233
1332
1431
1530
1629
1728
1827
1927
2026
2126
2226
2326
2426
2526
2627
2727
2828
2928
3028

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 40% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15533120
25433130
35333140
45234140
55034151
64934161
74834171
84834171
94734182
104634182
114434192
124335202
134235203
144135213
154036223
163936223
173836224
183737234
193637234
203538234
213438244
223338254
233238254
243138264
253038275
263038285
272938295
282838295
292838305
302738305

Wind in June

Winds average 8 km/h in June.

Across June, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 hours 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 18 minutes over June. Sunrise moves from 5:29 AM to 5:28 AM, and sunset from 8:30 PM to 8:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.05:298:30
215.05:288:31
315.15:288:32
415.15:278:33
515.15:278:33
615.15:268:34
715.15:268:35
815.25:268:36
915.25:258:36
1015.25:258:37
1115.25:258:38
1215.25:258:38
1315.25:258:39
1415.25:248:39
1515.35:248:40
1615.35:248:40
1715.35:248:41
1815.35:248:41
1915.35:248:41
2015.35:258:42
2115.35:258:42
2215.35:258:42
2315.35:258:42
2415.35:258:42
2515.35:268:43
2615.35:268:43
2715.35:268:43
2815.35:278:43
2915.35:278:43
3015.35:288:43

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.06 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.32 kWh/m² to a high of 6.06 kWh/m² in June across the year — June's 6.06 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
116.0Bright
126.0Bright
136.0Intense
146.0Intense
156.0Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in June

Is June a good time to visit Mont-de-Marsan?

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

6.7
Sightseeing
2nd-best month of the year
6.5
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Mont-de-Marsan for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mont-de-Marsan in June

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

In June, Mont-de-Marsan sees daytime highs around 26°C and nights near 15°C. Pack sun protection. Worth having: light clothes and rain gear. About 9 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Mont-de-Marsan in June

The nearest coast averages about 19°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 70 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 3 to Sep 23 — about 2.7 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May16Cool
Jun19Cool
Jul21Refreshing
Aug22Refreshing
Sep21Refreshing
Oct18Cool
Nov16Cool
Dec14Bracing

UV index in Mont-de-Marsan 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 Mont-de-Marsan peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. 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 highHighModerateLowJul 17UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul8Very high
Aug8Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Mont-de-Marsan?

Mont-de-Marsan sits at 43.9°N, 0.5°W, 51 m above sea level, in France. The nearest listed city is Dax, 49 km away.

Topography around Mont-de-Marsan

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

Within 3 km, the terrain around Mont-de-Marsan has only modest variations in elevation — a maximum elevation change of 73 m around an average of 61 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 128 m; within 80 km, large variations in elevation — a maximum elevation change of 637 m.

The land around Mont-de-Marsan is covered by trees (42%) and artificial surfaces (41%) within 3 km, trees (58%) and cropland (20%) within 16 km, and trees (49%), cropland (25%) and grassland (21%) within 80 km.

3 km
73 m
16 km
128 m
80 km
637 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Dax 49 km · Pau 65 km · Tarbes 86 km · Marmande 86 km · Bayonne 90 km · Auch 91 km · Anglet 93 km · Gujan-Mestras 95 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 Mont-de-Marsan (43.8902°, -0.4971°, elevation 51 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).