Zarautz weather in August

In August, Zarautz sees average daytime highs of 23°C and overnight lows near 17°C, with 79 mm of rain across 12.3 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 33% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 24 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Zarautz's 1st-clearest and 12th-windiest month. For the whole year in context, see Zarautz's year-round climate.

Daytime high
23°
1st warmest
Overnight low
17°
12th coldest
Rainfall
79 mm
12.3 wet days
Daylight
13 h 48 min
6:19 AM – 8:07 PM
Cloud cover
54%
1st clearest
Wind
9 km/h
12th windiest
Solar energy
5.18 kWh/m²
Travel score
6.6
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical August day in Zarautz reaches about 23°C in the afternoon and slips back to 17°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°C. Set against its neighbours, August runs on par with July and about 2°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12317
22317
32317
42317
52317
62317
72317
82317
92317
102317
112317
122317
132317
142317
152317
162317
172317
182317
192317
202317
212317
222317
232317
242317
252317
262316
272316
282216
292216
302216
312216

Zarautz weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45446
55446
65545
75545
85545
95545
105644
115644
125644
135644
145644
155644
165446
175446
185446
195347
205347
215347
225248
235248
245149
255149
265149
275149
285248
295248
305248
315347

Chance of precipitation in August

Any precipitation

Zarautz gets around 79 mm of rain over 12.3 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
342
442
542
641
741
840
939
1039
1138
1237
1336
1436
1535
1635
1735
1836
1936
2036
2137
2238
2338
2439
2539
2640
2740
2841
2941
3041
3141

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 17% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
143247170
243246170
343345170
453345170
553344171
653343171
763343171
863343171
963343171
1063343171
1173343171
1273343171
1373343161
1473343161
1573343161
1673343161
1773243161
1873244161
1973244161
2073243171
2183243170
2283243170
2393242160
24103241160
25113340160
26123339150
27133439150
28143438140
29153537130
30163536130
31173635120

Wind in August

Winds average 9 km/h in August, the calmest month.

Across August, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 24 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 6:02 AM to 6:36 AM, and sunset from 8:27 PM to 7:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.46:028:27
214.46:048:26
314.36:058:25
414.36:068:23
514.36:078:22
614.26:088:21
714.26:098:19
814.16:108:18
914.16:118:17
1014.16:128:15
1114.06:138:14
1214.06:158:13
1313.96:168:11
1413.96:178:10
1513.86:188:08
1613.86:198:07
1713.76:208:05
1813.76:218:03
1913.76:228:02
2013.66:248:00
2113.66:257:59
2213.56:267:57
2313.56:277:55
2413.46:287:54
2513.46:297:52
2613.36:307:50
2713.36:327:48
2813.26:337:47
2913.26:347:45
3013.16:357:43
3113.16:367:41

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.18 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 — August's 5.18 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.2Bright
185.2Bright
195.2Bright
205.1Bright
215.1Bright
225.0Bright
235.0Bright
245.0Bright
254.9Bright
264.9Bright
274.9Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in August

Is August a good time to visit Zarautz?

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

6.6
Sightseeing
1st-best month of the year
5.0
Beach & pool
1st-best month of the year

August is a reasonable time to visit Zarautz for sightseeing.

What to pack for Zarautz in August

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

In August, Zarautz sees daytime highs around 23°C and nights near 17°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Zarautz in August

The nearest coast averages about 22°C in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 — 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
August 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).