Dax weather in January

In January, Dax sees average daytime highs of 11°C and overnight lows near 4°C, with 87 mm of precipitation across 12.4 wet days and about 9.1 hours of daylight. It is the 12th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 19% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 48 min at the start of January to 9 h 36 min by month's end. Set against the rest of the year, January is Dax's 11th-clearest and 1st-windiest month. For the whole year in context, see Dax's year-round climate.

Daytime high
11°
12th warmest
Overnight low
2nd coldest
Precipitation
87 mm
12.4 wet days
Daylight
9 h 06 min
8:41 AM – 5:46 PM
Cloud cover
68%
11th clearest
Wind
10 km/h
1st windiest
Solar energy
1.57 kWh/m²
Travel score
2.7
out of 10
Air quality
Good
PM2.5 8.7 µg/m³ · 2019

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 11°C through the month.

A typical January day in Dax reaches about 11°C in the afternoon and slips back to 4°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 16°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1114
2114
3114
4114
5114
6124
7124
8124
9124
10124
11124
12124
13124
14124
15124
16114
17114
18114
19114
20114
21114
22114
23114
24114
25114
26114
27114
28114
29124
30124
31124

Dax weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 8712.49.12.7
Feb13° / 7410.710.23.3
Mar16° / 751211.64.8
Apr18° / 9013.413.25.4
May21° / 12°8112.714.56.1
Jun25° / 15°669.215.26.9
Jul27° / 17°518.614.96.9
Aug27° / 17°578.513.86.9
Sep25° / 14°669.212.37.0
Oct20° / 11°8311.310.86.1
Nov15° / 10513.69.54.1
Dec12° / 9112.88.82.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33466
43565
53466
63565
73565
83466
93565
103565
113565
123466
133466
143466
153466
163565
173565
183565
193565
203664
213664
223565
233565
243565
253565
263565
273565
283565
293565
303664
313664

Chance of precipitation in January

Any precipitation

Dax gets around 87 mm of rain and snow over 12.4 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 40% and peaks near 42% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
342
442
541
641
741
840
940
1039
1139
1239
1339
1439
1539
1639
1739
1839
1940
2040
2140
2240
2340
2440
2540
2639
2739
2839
2939
3038
3138

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 10 km/h in January, the windiest month of the year.

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

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 48 min at the start of January to 9 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over January. Sunrise moves from 8:44 AM to 8:30 AM, and sunset from 5:31 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.88:445:31
28.88:445:32
38.88:445:33
48.88:445:34
58.88:445:35
68.98:445:35
78.98:445:36
88.98:435:37
98.98:435:38
108.98:435:39
119.08:435:40
129.08:435:42
139.08:425:43
149.08:425:44
159.18:415:45
169.18:415:46
179.18:415:47
189.18:405:48
199.28:405:49
209.28:395:51
219.28:385:52
229.38:385:53
239.38:375:54
249.38:365:56
259.48:365:57
269.48:355:58
279.48:345:59
289.58:336:01
299.58:326:02
309.58:316:03
319.68:306:05

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.57 kWh/m².

For context, solar energy here swings from a low near 1.36 kWh/m² to a high of 6.13 kWh/m² in June across the year — January's 1.57 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.4Dim
21.4Dim
31.4Dim
41.4Dim
51.4Dim
61.4Dim
71.4Dim
81.5Dim
91.5Dim
101.5Dim
111.5Dim
121.5Dim
131.5Dim
141.5Dim
151.6Dim
161.6Dim
171.6Dim
181.6Dim
191.6Dim
201.6Dim
211.6Dim
221.7Dim
231.7Dim
241.7Dim
251.7Dim
261.8Dim
271.8Dim
281.8Dim
291.9Dim
301.9Dim
311.9Dim
Planning a trip in January

Is January a good time to visit Dax?

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

2.7
Sightseeing
12th-best month of the year
0.0
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Dax.

What to pack for Dax in January

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

In January, Dax sees daytime highs around 11°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Dax in January

The nearest coast averages about 13°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 32 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 Dax in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Dax peaks around July 17 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 17UV 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 Dax?

Dax sits at 43.7°N, 1.1°W, 16 m above sea level, in France. The nearest listed city is Bayonne, 42 km away.

Topography around Dax

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

Within 3 km, the terrain around Dax has only modest variations in elevation — a maximum elevation change of 48 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 168 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,044 m.

The land around Dax is covered by trees (37%), artificial surfaces (33%) and grassland (20%) within 3 km, trees (52%), cropland (24%) and grassland (21%) within 16 km, and trees (45%) and grassland (20%) within 80 km.

3 km
48 m
16 km
168 m
80 km
2,044 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Bayonne 42 km · Anglet 45 km · Biarritz 48 km · Mont-de-Marsan 49 km · Hondarribia 71 km · Pau 72 km · Irun 72 km · Errenteria 82 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 Dax (43.7103°, -1.0537°, elevation 16 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).