Mont-de-Marsan weather in October

In October, Mont-de-Marsan sees average daytime highs of 21°C and overnight lows near 11°C, with 62 mm of rain across 10.2 wet days and about 10.8 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 18°C by the end. The sky is clear or mostly clear about 27% 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 h 06 min by month's end. Set against the rest of the year, October is Mont-de-Marsan's 6th-clearest and 8th-windiest month. For the whole year in context, see Mont-de-Marsan's year-round climate.

Daytime high
21°
6th warmest
Overnight low
11°
7th coldest
Rainfall
62 mm
10.2 wet days
Daylight
10 h 48 min
7:24 AM – 6:10 PM
Cloud cover
61%
6th clearest
Wind
9 km/h
8th windiest
Solar energy
2.75 kWh/m²
Travel score
6.3
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 18°C by the end.

A typical October day in Mont-de-Marsan reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, October runs about 5°C cooler than September and about 6°C warmer than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12312
22312
32312
42212
52212
62212
72212
82212
92211
102211
112111
122111
132111
142111
152111
162111
172011
182011
192010
202010
212010
222010
232010
241910
251910
261910
27199
28199
29189
30189
31189

Mont-de-Marsan weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 6th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24456
34357
44357
54357
64357
74159
84159
94159
104159
114159
124159
134159
144159
154159
164258
174258
184258
194357
204357
214357
224456
234456
244456
254258
264258
274258
284258
294159
304060
314060

Chance of precipitation in October

Any precipitation

Mont-de-Marsan gets around 62 mm of rain over 10.2 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 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
132
232
332
433
533
633
733
833
934
1034
1134
1234
1334
1434
1534
1634
1734
1834
1934
2034
2134
2233
2333
2433
2533
2633
2734
2834
2935
3035
3136

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 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1583012
2583012
3592912
4602911
5612811
6612811
7622711
8632710
9632710
1064279
1164288
1264288
1365287
1466286
1566286
1667285
1767285
1868284
1969283
2069283
2169283
2271272
2372262
2472262
2574251
2676231
2777221
2878211
2979201
3081181
3182171

Wind in October

Winds average 9 km/h in October.

Across October, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over October. Sunrise moves from 7:05 AM to 7:44 AM, and sunset from 6:37 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:056:37
211.57:076:35
311.47:086:33
411.47:096:31
511.37:106:29
611.37:116:27
711.27:136:26
811.27:146:24
911.17:156:22
1011.17:166:20
1111.07:186:19
1211.07:196:17
1310.97:206:15
1410.97:226:13
1510.87:236:12
1610.87:246:10
1710.77:256:08
1810.77:276:07
1910.67:286:05
2010.67:296:03
2110.57:316:02
2210.57:326:00
2310.47:335:59
2410.47:355:57
2510.37:365:56
2610.37:375:54
2710.27:395:53
2810.27:405:51
2910.17:415:50
3010.17:435:49
3110.17:445:47

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.75 kWh/m².

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 — October's 2.75 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.3Moderate
43.3Moderate
53.2Moderate
63.2Moderate
73.1Moderate
83.1Moderate
93.0Moderate
103.0Moderate
112.9Moderate
122.9Moderate
132.9Moderate
142.8Moderate
152.8Moderate
162.7Moderate
172.7Moderate
182.7Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.3Moderate
292.3Moderate
302.3Moderate
312.2Moderate
Planning a trip in October

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

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

6.3
Sightseeing
3rd-best month of the year
3.6
Beach & pool
6th-best month of the year

October is a reasonable time to visit Mont-de-Marsan for sightseeing.

What to pack for Mont-de-Marsan in October

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

In October, Mont-de-Marsan sees daytime highs around 21°C and nights near 11°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Mont-de-Marsan 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 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 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 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
October 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).