Biarritz weather in October

In October, Biarritz sees average daytime highs of 19°C and overnight lows near 14°C, with 114 mm of rain across 12.8 wet days and about 10.8 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 18°C by the end. The sky is clear or mostly clear about 26% 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 Biarritz's 6th-clearest and 7th-windiest month. For the whole year in context, see Biarritz's year-round climate.

Daytime high
19°
5th warmest
Overnight low
14°
8th coldest
Rainfall
114 mm
12.8 wet days
Daylight
10 h 48 min
7:28 AM – 6:15 PM
Cloud cover
61%
6th clearest
Wind
12 km/h
7th windiest
Solar energy
2.85 kWh/m²
Travel score
5.7
out of 10

Biarritz is human settlement in France.

Air quality
Good
PM2.5 6.5 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 21°C in the first days to 18°C by the end.

A typical October day in Biarritz reaches about 19°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 24°C. Set against its neighbours, October runs about 3°C cooler than September and about 5°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12115
22115
32115
42115
52015
62014
72014
82014
92014
102014
112014
122014
132014
142014
151914
161914
171914
181913
191913
201913
211913
221913
231913
241913
251813
261813
271812
281812
291812
301812
311712

Biarritz weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 12314.19.12.7
Feb12° / 10612.710.22.9
Mar14° / 9812.811.64.0
Apr16° / 10°10614.213.24.4
May19° / 13°9613.114.55.6
Jun21° / 16°7610.715.26.4
Jul23° / 18°6410.314.97.0
Aug24° / 18°6510.213.87.2
Sep22° / 16°8811.412.36.5
Oct19° / 14°11412.810.85.7
Nov15° / 10°16214.99.53.9
Dec12° / 13414.18.83.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34654
44555
54555
64555
74456
84456
94456
104456
114456
124357
134357
144357
154357
164357
174357
184258
194258
204258
214258
224258
234258
244159
254159
264159
273961
283961
293961
303862
313862

Chance of precipitation in October

Any precipitation

Biarritz gets around 114 mm of rain over 12.8 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 42% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
142
242
342
442
542
642
742
842
942
1042
1142
1242
1342
1442
1542
1642
1741
1841
1941
2041
2141
2240
2341
2441
2541
2642
2742
2843
2944
3045
3146

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 53% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13437272
23636262
33736251
43836251
53936241
64136231
74236221
84336211
94436190
104537180
114637160
124837150
134938130
145038120
155138110
165238100
17533890
18543880
19553870
20563860
21573760
22583750
23593650
24613540
25633340
26643240
27673030
28692830
29702730
30722530
31752320

Wind in October

Winds average 12 km/h in October.

Across October, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

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 7:09 AM to 7:47 AM, and sunset from 6:41 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:096:41
211.57:116:39
311.47:126:37
411.47:136:36
511.37:146:34
611.37:156:32
711.27:176:30
811.27:186:28
911.17:196:27
1011.17:206:25
1111.07:226:23
1211.07:236:21
1310.97:246:20
1410.97:256:18
1510.87:276:16
1610.87:286:15
1710.77:296:13
1810.77:306:11
1910.67:326:10
2010.67:336:08
2110.57:346:07
2210.57:356:05
2310.47:376:04
2410.47:386:02
2510.47:396:01
2610.37:415:59
2710.37:425:58
2810.27:435:56
2910.27:455:55
3010.17:465:54
3110.17:475:52

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.85 kWh/m².

For context, solar energy here swings from a low near 1.38 kWh/m² to a high of 6.08 kWh/m² in June across the year — October's 2.85 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.4Moderate
33.4Moderate
43.3Moderate
53.3Moderate
63.2Moderate
73.2Moderate
83.1Moderate
93.1Moderate
103.1Moderate
113.0Moderate
123.0Moderate
133.0Moderate
142.9Moderate
152.9Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.7Moderate
202.7Moderate
212.7Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.4Moderate
292.4Moderate
302.3Moderate
312.3Moderate
Planning a trip in October

Is October a good time to visit Biarritz?

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

5.7
Sightseeing
5th-best month of the year
2.6
Beach & pool
5th-best month of the year

October is a reasonable time to visit Biarritz for sightseeing.

What to pack for Biarritz in October

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

In October, Biarritz sees daytime highs around 19°C and nights near 14°C. Worth packing: rain gear. About 13 days see rain.

rain gear

Sea temperature near Biarritz 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 17 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 1 to Sep 24 — about 2.8 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 Biarritz in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Biarritz peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 16UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Biarritz?

Biarritz sits at 43.5°N, 1.6°W, 39 m above sea level, in France. The nearest listed city is Anglet, 3.0 km away.

Topography around Biarritz

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

Within 3 km, the terrain around Biarritz has only modest variations in elevation — a maximum elevation change of 91 m around an average of 28 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 231 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,044 m.

The land around Biarritz is covered by water (43%) and artificial surfaces (30%) within 3 km, water (47%) and trees (30%) within 16 km, and trees (46%) and water (25%) within 80 km.

3 km
91 m
16 km
231 m
80 km
2,044 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Anglet 3.0 km · Bayonne 7.0 km · Hondarribia 23 km · Irun 25 km · Errenteria 34 km · Pasaia 35 km · San Sebastian 39 km · Hernani 41 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 Biarritz (43.4806°, -1.5568°, elevation 39 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).