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
- 4°
- 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
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 |
| Avg low (°C) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 11 | 4 |
| 2 | 11 | 4 |
| 3 | 11 | 4 |
| 4 | 11 | 4 |
| 5 | 11 | 4 |
| 6 | 12 | 4 |
| 7 | 12 | 4 |
| 8 | 12 | 4 |
| 9 | 12 | 4 |
| 10 | 12 | 4 |
| 11 | 12 | 4 |
| 12 | 12 | 4 |
| 13 | 12 | 4 |
| 14 | 12 | 4 |
| 15 | 12 | 4 |
| 16 | 11 | 4 |
| 17 | 11 | 4 |
| 18 | 11 | 4 |
| 19 | 11 | 4 |
| 20 | 11 | 4 |
| 21 | 11 | 4 |
| 22 | 11 | 4 |
| 23 | 11 | 4 |
| 24 | 11 | 4 |
| 25 | 11 | 4 |
| 26 | 11 | 4 |
| 27 | 11 | 4 |
| 28 | 11 | 4 |
| 29 | 12 | 4 |
| 30 | 12 | 4 |
| 31 | 12 | 4 |
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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 11° / 4° | 87 | 12.4 | 9.1 | 2.7 |
| Feb | 13° / 4° | 74 | 10.7 | 10.2 | 3.3 |
| Mar | 16° / 6° | 75 | 12 | 11.6 | 4.8 |
| Apr | 18° / 8° | 90 | 13.4 | 13.2 | 5.4 |
| May | 21° / 12° | 81 | 12.7 | 14.5 | 6.1 |
| Jun | 25° / 15° | 66 | 9.2 | 15.2 | 6.9 |
| Jul | 27° / 17° | 51 | 8.6 | 14.9 | 6.9 |
| Aug | 27° / 17° | 57 | 8.5 | 13.8 | 6.9 |
| Sep | 25° / 14° | 66 | 9.2 | 12.3 | 7.0 |
| Oct | 20° / 11° | 83 | 11.3 | 10.8 | 6.1 |
| Nov | 15° / 7° | 105 | 13.6 | 9.5 | 4.1 |
| Dec | 12° / 5° | 91 | 12.8 | 8.8 | 2.9 |
Cloud cover in January
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%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 34 | 34 | 34 | 35 | 34 | 35 | 35 | 34 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 36 | 36 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 36 | 36 |
| Cloudier (%) | 66 | 66 | 66 | 65 | 66 | 65 | 65 | 66 | 65 | 65 | 65 | 66 | 66 | 66 | 66 | 65 | 65 | 65 | 65 | 64 | 64 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 64 | 64 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 34 | 66 |
| 2 | 34 | 66 |
| 3 | 34 | 66 |
| 4 | 35 | 65 |
| 5 | 34 | 66 |
| 6 | 35 | 65 |
| 7 | 35 | 65 |
| 8 | 34 | 66 |
| 9 | 35 | 65 |
| 10 | 35 | 65 |
| 11 | 35 | 65 |
| 12 | 34 | 66 |
| 13 | 34 | 66 |
| 14 | 34 | 66 |
| 15 | 34 | 66 |
| 16 | 35 | 65 |
| 17 | 35 | 65 |
| 18 | 35 | 65 |
| 19 | 35 | 65 |
| 20 | 36 | 64 |
| 21 | 36 | 64 |
| 22 | 35 | 65 |
| 23 | 35 | 65 |
| 24 | 35 | 65 |
| 25 | 35 | 65 |
| 26 | 35 | 65 |
| 27 | 35 | 65 |
| 28 | 35 | 65 |
| 29 | 35 | 65 |
| 30 | 36 | 64 |
| 31 | 36 | 64 |
Chance of precipitation in January
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 40 | 40 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 39 | 39 | 39 | 39 | 38 | 38 |
| Rain chance (%) | |
|---|---|
| 1 | 42 |
| 2 | 42 |
| 3 | 42 |
| 4 | 42 |
| 5 | 41 |
| 6 | 41 |
| 7 | 41 |
| 8 | 40 |
| 9 | 40 |
| 10 | 39 |
| 11 | 39 |
| 12 | 39 |
| 13 | 39 |
| 14 | 39 |
| 15 | 39 |
| 16 | 39 |
| 17 | 39 |
| 18 | 39 |
| 19 | 40 |
| 20 | 40 |
| 21 | 40 |
| 22 | 40 |
| 23 | 40 |
| 24 | 40 |
| 25 | 40 |
| 26 | 39 |
| 27 | 39 |
| 28 | 39 |
| 29 | 39 |
| 30 | 38 |
| 31 | 38 |
Humidity in January
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Dry (%) | |
|---|---|
| 1 | 100 |
| 2 | 100 |
| 3 | 100 |
| 4 | 100 |
| 5 | 100 |
| 6 | 100 |
| 7 | 100 |
| 8 | 100 |
| 9 | 100 |
| 10 | 100 |
| 11 | 100 |
| 12 | 100 |
| 13 | 100 |
| 14 | 100 |
| 15 | 100 |
| 16 | 100 |
| 17 | 100 |
| 18 | 100 |
| 19 | 100 |
| 20 | 100 |
| 21 | 100 |
| 22 | 100 |
| 23 | 100 |
| 24 | 100 |
| 25 | 100 |
| 26 | 100 |
| 27 | 100 |
| 28 | 100 |
| 29 | 100 |
| 30 | 100 |
| 31 | 100 |
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
| 31 | 10 | calm |
Sunrise & sunset in January
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 9.0 | 9.0 | 9.0 | 9.0 | 9.1 | 9.1 | 9.1 | 9.1 | 9.2 | 9.2 | 9.2 | 9.3 | 9.3 | 9.3 | 9.4 | 9.4 | 9.4 | 9.5 | 9.5 | 9.5 | 9.6 |
| Sunrise (AM) | 8:44 | 8:44 | 8:44 | 8:44 | 8:44 | 8:44 | 8:44 | 8:43 | 8:43 | 8:43 | 8:43 | 8:43 | 8:42 | 8:42 | 8:41 | 8:41 | 8:41 | 8:40 | 8:40 | 8:39 | 8:38 | 8:38 | 8:37 | 8:36 | 8:36 | 8:35 | 8:34 | 8:33 | 8:32 | 8:31 | 8:30 |
| Sunset (PM) | 5:31 | 5:32 | 5:33 | 5:34 | 5:35 | 5:35 | 5:36 | 5:37 | 5:38 | 5:39 | 5:40 | 5:42 | 5:43 | 5:44 | 5:45 | 5:46 | 5:47 | 5:48 | 5:49 | 5:51 | 5:52 | 5:53 | 5:54 | 5:56 | 5:57 | 5:58 | 5:59 | 6:01 | 6:02 | 6:03 | 6:05 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 8.8 | 8:44 | 5:31 |
| 2 | 8.8 | 8:44 | 5:32 |
| 3 | 8.8 | 8:44 | 5:33 |
| 4 | 8.8 | 8:44 | 5:34 |
| 5 | 8.8 | 8:44 | 5:35 |
| 6 | 8.9 | 8:44 | 5:35 |
| 7 | 8.9 | 8:44 | 5:36 |
| 8 | 8.9 | 8:43 | 5:37 |
| 9 | 8.9 | 8:43 | 5:38 |
| 10 | 8.9 | 8:43 | 5:39 |
| 11 | 9.0 | 8:43 | 5:40 |
| 12 | 9.0 | 8:43 | 5:42 |
| 13 | 9.0 | 8:42 | 5:43 |
| 14 | 9.0 | 8:42 | 5:44 |
| 15 | 9.1 | 8:41 | 5:45 |
| 16 | 9.1 | 8:41 | 5:46 |
| 17 | 9.1 | 8:41 | 5:47 |
| 18 | 9.1 | 8:40 | 5:48 |
| 19 | 9.2 | 8:40 | 5:49 |
| 20 | 9.2 | 8:39 | 5:51 |
| 21 | 9.2 | 8:38 | 5:52 |
| 22 | 9.3 | 8:38 | 5:53 |
| 23 | 9.3 | 8:37 | 5:54 |
| 24 | 9.3 | 8:36 | 5:56 |
| 25 | 9.4 | 8:36 | 5:57 |
| 26 | 9.4 | 8:35 | 5:58 |
| 27 | 9.4 | 8:34 | 5:59 |
| 28 | 9.5 | 8:33 | 6:01 |
| 29 | 9.5 | 8:32 | 6:02 |
| 30 | 9.5 | 8:31 | 6:03 |
| 31 | 9.6 | 8:30 | 6:05 |
Solar energy in January
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.7 | 1.7 | 1.7 | 1.7 | 1.8 | 1.8 | 1.8 | 1.9 | 1.9 | 1.9 |
| Level | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 1.4 | Dim |
| 2 | 1.4 | Dim |
| 3 | 1.4 | Dim |
| 4 | 1.4 | Dim |
| 5 | 1.4 | Dim |
| 6 | 1.4 | Dim |
| 7 | 1.4 | Dim |
| 8 | 1.5 | Dim |
| 9 | 1.5 | Dim |
| 10 | 1.5 | Dim |
| 11 | 1.5 | Dim |
| 12 | 1.5 | Dim |
| 13 | 1.5 | Dim |
| 14 | 1.5 | Dim |
| 15 | 1.6 | Dim |
| 16 | 1.6 | Dim |
| 17 | 1.6 | Dim |
| 18 | 1.6 | Dim |
| 19 | 1.6 | Dim |
| 20 | 1.6 | Dim |
| 21 | 1.6 | Dim |
| 22 | 1.7 | Dim |
| 23 | 1.7 | Dim |
| 24 | 1.7 | Dim |
| 25 | 1.7 | Dim |
| 26 | 1.8 | Dim |
| 27 | 1.8 | Dim |
| 28 | 1.8 | Dim |
| 29 | 1.9 | Dim |
| 30 | 1.9 | Dim |
| 31 | 1.9 | Dim |
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).
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.
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 13 | 12 | 12 | 14 | 16 | 19 | 21 | 22 | 21 | 18 | 16 | 14 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing | Refreshing | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 13 | Bracing |
| Feb | 12 | Bracing |
| Mar | 12 | Bracing |
| Apr | 14 | Bracing |
| May | 16 | Cool |
| Jun | 19 | Cool |
| Jul | 21 | Refreshing |
| Aug | 22 | Refreshing |
| Sep | 21 | Refreshing |
| Oct | 18 | Cool |
| Nov | 16 | Cool |
| Dec | 14 | Bracing |
UV index in Dax in January
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 6 | 6 | 8 | 8 | 8 | 5 | 4 | 2 | 1 |
| Level | Low | Low | Moderate | High | High | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 8 | Very high |
| Sep | 5 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
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.
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
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).