Sun, sea & sand

Sitges weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

45

Holiday weather in May

Fair

Best time to visit: June – August

What is the weather like in Sitges in May?

In May, Sitges is warm: daytime highs average 21 °C, and nights cool down to about 14 °C. The sea averages 17.5 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. Rain falls on about 8 days, adding up to 51 mm. All in all, May is a so-so month for a holiday in Sitges.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score274587
Day18°21°25°
Night10°14°18°
Sea15°18°22°
Sun7 h8 h8 h
Rain days986

More details for May

Daylight
14 h 28 min06:35 – 21:03
UV index
9 · very highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
19 km/haverage daily peakAll months
Cloud cover
50 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+2Europe/Madrid

How the score comes together

  • Temperatureweight 35 %35 %
  • Seaweight 25 %7 %
  • Sunshineweight 20 %80 %
  • Few rainy daysweight 20 %73 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in May

  • Wetsuit for longer swims
  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings

Sitges in May: quick answers

Is Sitges hot in May?

Warm rather than hot: in May, daytime highs in Sitges average 21 °C and nights cool to about 14 °C.

Can you swim in Sitges in May?

Only if you don't mind cold water: in May the sea averages just 17.5 °C. Comfortable swimming is possible from June to October.

Does it rain much in Sitges in May?

Rain falls on about 8 days, adding up to 51 mm.

Sitges month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences