Dax weather in April

In April, Dax sees average daytime highs of 18°C and overnight lows near 8°C, with 90 mm of rain across 13.4 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 19°C by the end. The sky is clear or mostly clear about 23% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 54 min by month's end. Set against the rest of the year, April is Dax's 9th-clearest and 5th-windiest month. For the whole year in context, see Dax's year-round climate.

Daytime high
18°
7th warmest
Overnight low
6th coldest
Rainfall
90 mm
13.4 wet days
Daylight
13 h 12 min
6:28 AM – 7:41 PM
Cloud cover
64%
9th clearest
Wind
10 km/h
5th windiest
Solar energy
4.83 kWh/m²
Travel score
5.4
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 17°C in the first days to 19°C by the end.

A typical April day in Dax reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 24°C. Set against its neighbours, April runs about 2°C warmer than March and about 3°C cooler than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1177
2177
3178
4178
5178
6178
7178
8188
9188
10188
11188
12188
13188
14188
15188
16188
17188
18189
19199
20199
21199
22199
23199
24199
25199
26199
271910
281910
291910
302010

Dax weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 3rd-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24060
34060
44060
54060
64060
74060
84060
93961
103961
113961
124060
134060
144060
154159
164060
174060
183961
194060
203961
213961
223862
233763
243763
253763
263664
273664
283664
293664
303565

Chance of precipitation in April

Any precipitation

Dax gets around 90 mm of rain over 13.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 45% and peaks near 48% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
144
244
344
444
544
643
743
843
943
1043
1143
1243
1343
1443
1543
1643
1743
1843
1944
2044
2145
2246
2346
2447
2548
2648
2748
2848
2948
3048

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
110000
210000
310000
410000
510000
610000
79910
89910
99910
109910
119910
129820
139820
149820
159820
169730
179730
189640
199640
209550
219550
229460
239370
249370
259280
269190
2790100
2888111
2987121
3086131

Wind in April

Winds average 10 km/h in April.

Across April, 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.

051015151015202530
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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over April. Sunrise moves from 6:55 AM to 6:06 AM, and sunset from 7:22 PM to 7:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:557:22
212.56:547:24
312.66:527:25
412.66:507:26
512.76:487:27
612.76:467:28
712.86:447:30
812.86:437:31
912.96:417:32
1012.96:397:33
1113.06:377:34
1213.06:357:36
1313.16:347:37
1413.16:327:38
1513.26:307:39
1613.26:287:41
1713.36:277:42
1813.36:257:43
1913.36:237:44
2013.46:227:45
2113.46:207:47
2213.56:187:48
2313.56:177:49
2413.66:157:50
2513.66:137:51
2613.76:127:53
2713.76:107:54
2813.86:097:55
2913.86:077:56
3013.96:067:57

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.83 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 — April's 4.83 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.5Bright
44.5Bright
54.5Bright
64.6Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
174.9Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.2Bright
305.2Bright
Planning a trip in April

Is April a good time to visit Dax?

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

5.4
Sightseeing
7th-best month of the year
1.9
Beach & pool
7th-best month of the year

April is a reasonable time to visit Dax for sightseeing.

What to pack for Dax in April

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

In April, Dax sees daytime highs around 18°C and nights near 8°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near Dax in April

The nearest coast averages about 14°C in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. 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
April 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).