Sitges weather in August

In August, Sitges sees average daytime highs of 27°C and overnight lows near 21°C, with 48 mm of rain across 6.8 wet days and about 13.7 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 61% of the time in August, and the air most often feels muggy.

Daylight stretches from about 14 h 12 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Sitges's 2nd-clearest and 12th-windiest month. For the whole year in context, see Sitges's year-round climate.

Daytime high
27°
1st warmest
Overnight low
21°
12th coldest
Rainfall
48 mm
6.8 wet days
Daylight
13 h 42 min
6:07 AM – 7:47 PM
Cloud cover
36%
2nd clearest
Wind
10 km/h
12th windiest
Solar energy
6.06 kWh/m²
Travel score
7.5
out of 10
Air quality
Good
PM10 22.6 µg/m³ · 2016

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical August day in Sitges reaches about 27°C in the afternoon and slips back to 21°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, August runs on par with July and about 3°C warmer than September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12722
22722
32722
42722
52722
62722
72722
82722
92722
102722
112722
122722
132722
142722
152721
162721
172721
182721
192721
202721
212721
222721
232621
242621
252621
262621
272621
282621
292621
302621
312621

Sitges weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 436.59.44.0
Feb13° / 355.510.34.3
Mar15° / 436.411.75.1
Apr17° / 11°508.213.15.8
May20° / 14°456.714.36.9
Jun23° / 18°30514.98.0
Jul26° / 21°29514.78.0
Aug27° / 21°486.813.77.5
Sep24° / 19°9110.312.37.0
Oct21° / 15°909.710.96.6
Nov16° / 11°617.29.75.6
Dec13° / 435.99.14.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 20%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18614
28515
38515
48515
58416
68416
78416
88416
98317
108218
118218
128218
138218
148218
158218
168119
178020
188020
198020
208020
218020
227822
237822
247624
257624
267525
277426
287327
297129
307129
316931

Chance of precipitation in August

Any precipitation

Sitges gets around 48 mm of rain over 6.8 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 23% and peaks near 30% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
117
218
319
419
520
620
721
821
921
1022
1122
1222
1322
1422
1522
1622
1722
1822
1922
2022
2122
2223
2323
2424
2525
2625
2726
2827
2929
3030
3130

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
103135727
203135727
303135727
403145627
503145726
603155626
714155525
814155624
914165524
1014165624
1114165623
1213165723
1313165723
1413165723
1513165723
1613165723
1713165624
1813165624
1913165525
2013175326
2113175326
2214185126
2314195026
2415194926
2515204825
2616214724
2727224623
2827234622
2928244520
3029264519
3129274517

Wind in August

Winds average 10 km/h in August, the calmest month.

Across August, daily wind ranges from about 10 km/h on the calmest days to 11 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
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 12 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over August. Sunrise moves from 5:52 AM to 6:22 AM, and sunset from 8:06 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:528:06
214.25:538:05
314.25:548:04
414.15:558:03
514.15:568:01
614.15:578:00
714.05:587:59
814.05:597:58
913.96:007:56
1013.96:017:55
1113.96:027:54
1213.86:037:52
1313.86:047:51
1413.76:057:50
1513.76:067:48
1613.76:077:47
1713.66:087:45
1813.66:097:44
1913.56:107:42
2013.56:117:41
2113.56:127:39
2213.46:137:38
2313.46:147:36
2413.36:157:35
2513.36:167:33
2613.26:177:31
2713.26:187:30
2813.16:197:28
2913.16:207:27
3013.16:217:25
3113.06:227:23

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.06 kWh/m².

For context, solar energy here swings from a low near 1.91 kWh/m² to a high of 7.16 kWh/m² in June across the year — August's 6.06 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.6Intense
36.6Intense
46.5Intense
56.5Intense
66.5Intense
76.4Intense
86.4Intense
96.3Intense
106.3Intense
116.3Intense
126.2Intense
136.2Intense
146.2Intense
156.1Intense
166.1Intense
176.0Intense
186.0Intense
196.0Bright
205.9Bright
215.9Bright
225.8Bright
235.8Bright
245.7Bright
255.7Bright
265.6Bright
275.6Bright
285.5Bright
295.5Bright
305.4Bright
315.3Bright
Planning a trip in August

Is August a good time to visit Sitges?

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

7.5
Sightseeing
3rd-best month of the year
7.4
Beach & pool
2nd-best month of the year

August is one of the better times to visit Sitges for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Sitges in August

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

In August, Sitges sees daytime highs around 27°C and nights near 21°C. Pack sun protection. Worth having: light clothes. About 7 days see rain.

sun protectionlight clothes

Sea temperature near Sitges in August

The nearest coast averages about 26°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 8 to Oct 27 — about 4.7 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul24Warm
Aug26Warm
Sep24Warm
Oct21Refreshing
Nov18Cool
Dec15Cool

UV index in Sitges 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 Sitges peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 14UV 9Dec 19UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7High
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Sitges?

Sitges sits at 41.2°N, 1.8°E, 18 m above sea level, in Spain. The nearest listed city is Sant Pere de Ribes, 4.0 km away.

Topography around Sitges

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

Within 3 km, the terrain around Sitges has significant variations in elevation — a maximum elevation change of 311 m around an average of 46 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 650 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,677 m.

The land around Sitges is covered by water (43%) and trees (23%) within 3 km, water (48%) and trees (25%) within 16 km, and water (36%) and trees (35%) within 80 km.

3 km
311 m
16 km
650 m
80 km
1,677 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Sant Pere de Ribes 4.0 km · Vilanova i la Geltrú 7.0 km · Castelldefels 14 km · Vilafranca del Penedès 16 km · Gavà 18 km · Viladecans 19 km · Calafell 21 km · Sant Boi de Llobregat 22 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 Sitges (41.2351°, 1.8119°, elevation 18 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).