Sitges weather in May

In May, Sitges sees average daytime highs of 20°C and overnight lows near 14°C, with 45 mm of rain across 6.7 wet days and about 14.3 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 21°C by the end. The sky is clear or mostly clear about 43% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 42 min at the start of May to 14 h 42 min by month's end. Set against the rest of the year, May is Sitges's 9th-clearest and 7th-windiest month. For the whole year in context, see Sitges's year-round climate.

Daytime high
20°
6th warmest
Overnight low
14°
7th coldest
Rainfall
45 mm
6.7 wet days
Daylight
14 h 18 min
5:40 AM – 7:58 PM
Cloud cover
48%
9th clearest
Wind
11 km/h
7th windiest
Solar energy
6.62 kWh/m²
Travel score
6.9
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 21°C by the end.

A typical May day in Sitges reaches about 20°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 22°C. Set against its neighbours, May runs about 3°C warmer than April and about 4°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11812
21812
31813
41813
51813
61913
71913
81913
91913
101913
111913
121914
131914
141914
152014
162014
172014
182014
192014
202015
212015
222115
232115
242115
252115
262115
272116
282116
292116
302216
312216

Sitges weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 6th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45941
55842
65941
75941
85941
95941
106040
116040
126139
136139
146238
156238
166337
176337
186436
196535
206535
216634
226634
236733
246733
256733
266832
276733
286733
296733
306832
316832

Chance of precipitation in May

Any precipitation

Sitges gets around 45 mm of rain over 6.7 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 22% and peaks near 28% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
427
527
627
726
826
925
1025
1125
1224
1324
1424
1523
1623
1722
1822
1921
2020
2120
2219
2319
2418
2518
2617
2717
2817
2917
3017
3118

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 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1792100
2772300
3752500
4722800
5693010
6673210
7653410
8623710
9593920
10574120
11554320
12524530
13514630
14484840
15474850
16454960
17445070
18425080
19405190
203951100
213752110
223552130
233254140
243054160
252854180
262654200
272454220
282254240
292054260
301854280
311751311

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 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
112light breeze
212light breeze
312light breeze
412light breeze
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 42 min at the start of May to 14 h 42 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 5:58 AM to 5:28 AM, and sunset from 7:42 PM to 8:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:587:42
213.85:567:43
313.85:557:45
413.95:547:46
513.95:527:47
613.95:517:48
714.05:507:49
814.05:497:50
914.15:477:51
1014.15:467:52
1114.15:457:53
1214.25:447:54
1314.25:437:55
1414.25:427:56
1514.35:417:57
1614.35:407:58
1714.35:397:59
1814.45:388:00
1914.45:378:01
2014.45:368:02
2114.55:358:03
2214.55:348:04
2314.55:348:05
2414.55:338:06
2514.65:328:07
2614.65:318:08
2714.65:318:08
2814.75:308:09
2914.75:308:10
3014.75:298:11
3114.75:288:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.62 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 — May's 6.62 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.4Intense
106.4Intense
116.4Intense
126.5Intense
136.5Intense
146.5Intense
156.6Intense
166.6Intense
176.7Intense
186.7Intense
196.7Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.9Intense
256.9Intense
266.9Intense
276.9Intense
286.9Intense
297.0Intense
307.0Intense
317.0Intense
Planning a trip in May

Is May a good time to visit Sitges?

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

6.9
Sightseeing
5th-best month of the year
3.5
Beach & pool
6th-best month of the year

May is a reasonable time to visit Sitges for sightseeing.

What to pack for Sitges in May

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

In May, Sitges sees daytime highs around 20°C and nights near 14°C. Pack sun protection. About 7 days see rain.

sun protection

Sea temperature near Sitges in May

The nearest coast averages about 17°C in May — 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 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 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
May 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).