Zarautz weather in May

In May, Zarautz sees average daytime highs of 17°C and overnight lows near 12°C, with 112 mm of rain across 15.3 wet days and about 14.5 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 21% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 54 min at the start of May to 14 h 54 min by month's end. Set against the rest of the year, May is Zarautz's 7th-clearest and 8th-windiest month. For the whole year in context, see Zarautz's year-round climate.

Daytime high
17°
6th warmest
Overnight low
12°
7th coldest
Rainfall
112 mm
15.3 wet days
Daylight
14 h 30 min
5:50 AM – 8:19 PM
Cloud cover
65%
7th clearest
Wind
11 km/h
8th windiest
Solar energy
5.49 kWh/m²
Travel score
4.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 19°C by the end.

A typical May day in Zarautz reaches about 17°C in the afternoon and slips back to 12°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 22°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11610
21610
31610
41610
51611
61611
71611
81711
91711
101711
111711
121711
131711
141711
151711
161711
171712
181712
191812
201812
211812
221812
231812
241812
251812
261812
271813
281913
291913
301913
311913

Zarautz weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 13315.419.22.3
Feb11° / 12013.91.710.22.4
Mar13° / 11414.20.711.63.4
Apr15° / 12315.90.113.23.7
May17° / 12°11215.3014.54.9
Jun20° / 14°8612.8015.15.8
Jul22° / 16°7712.6014.96.4
Aug23° / 17°7912.3013.86.6
Sep21° / 15°8912.8012.36.0
Oct18° / 13°12214.2010.85.3
Nov14° / 16715.80.19.53.4
Dec11° / 13414.90.58.92.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33367
43268
53268
63268
73367
83367
93268
103367
113466
123466
133565
143565
153664
163565
173664
183763
193862
203862
213961
223961
233961
243961
254060
264060
274060
284060
293961
303961
314060

Chance of precipitation in May

Any precipitation

Zarautz gets around 112 mm of rain over 15.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 49% and peaks near 55% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
155
255
355
455
554
654
754
853
953
1052
1152
1251
1351
1450
1549
1649
1748
1848
1947
2047
2146
2246
2345
2445
2545
2645
2745
2845
2946
3046
3146

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19460
29370
39280
49190
590100
689110
788120
887130
987130
1086140
1185150
1285150
1384160
1483170
1582180
1680191
1779201
1878211
1977221
2075232
2173252
2272262
2369283
2467294
2565314
2662335
2760346
2859356
2957367
3055378
3155378

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 54 min at the start of May to 14 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 6:09 AM to 5:38 AM, and sunset from 8:02 PM to 8:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.96:098:02
213.96:088:03
314.06:078:05
414.06:058:06
514.16:048:07
614.16:038:08
714.16:018:09
814.26:008:10
914.25:598:12
1014.35:578:13
1114.35:568:14
1214.35:558:15
1314.45:548:16
1414.45:538:17
1514.45:528:18
1614.55:508:19
1714.55:498:20
1814.65:488:22
1914.65:478:23
2014.65:468:24
2114.75:468:25
2214.75:458:26
2314.75:448:27
2414.75:438:28
2514.85:428:29
2614.85:418:30
2714.85:418:31
2814.95:408:31
2914.95:398:32
3014.95:398:33
3114.95:388:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.49 kWh/m².

For context, solar energy here swings from a low near 1.39 kWh/m² to a high of 5.87 kWh/m² in June across the year — May's 5.49 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Is May a good time to visit Zarautz?

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

4.9
Sightseeing
6th-best month of the year
1.3
Beach & pool
6th-best month of the year

May is a reasonable time to visit Zarautz for sightseeing.

What to pack for Zarautz in May

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

In May, Zarautz sees daytime highs around 17°C and nights near 12°C. Pack rain gear. Worth having: sun protection. About 15 days see rain.

rain gearsun protection

Sea temperature near Zarautz in May

The nearest coast averages about 16°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 22°C and coldest in February near 12°C.

It's comfortable for a long swim from Jul 2 to Sep 25 — about 2.8 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar13Bracing
Apr14Bracing
May16Cool
Jun19Cool
Jul21Refreshing
Aug22Refreshing
Sep21Refreshing
Oct18Cool
Nov16Cool
Dec14Bracing

UV index in Zarautz in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Zarautz peaks around July 15 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 15UV 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Low
Mar5Moderate
Apr6High
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Zarautz?

Zarautz sits at 43.3°N, 2.2°W, 6 m above sea level, in Spain. The nearest listed city is Lasarte, 12 km away.

Topography around Zarautz

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

Within 3 km, the terrain around Zarautz has significant variations in elevation — a maximum elevation change of 295 m around an average of 63 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,056 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,533 m.

The land around Zarautz is covered by trees (37%), water (33%) and grassland (22%) within 3 km, water (42%) and trees (39%) within 16 km, and trees (46%) and water (29%) within 80 km.

3 km
295 m
16 km
1,056 m
80 km
1,533 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Lasarte 12 km · Oria 13 km · Hernani 16 km · San Sebastian 16 km · Tolosa 18 km · Pasaia 20 km · Errenteria 22 km · Eibar 27 km

Spain travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$38,627
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
3.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 540
Religion
Roman Catholic 58%atheist 16%agnostic 11%non-believer 11%

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 Zarautz (43.2844°, -2.1699°, elevation 6 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).