The Sitges Climate and Weather – What to Expect

The ideal Mediterranean climate of Sitges sees it benefit from more than 300 days of sunshine a year and enjoy mild temperatures all year around. Located to the south of the Garraf Massif, this large rocky mountain range forms a natural barrier from colder northern winds that lets Sitges have what is considered its own micro climate. This is why, with such a busy calendar of festivals held throughout the year, visitors can enjoy this Catalonian resort anytime regardless of the season.

Average High & Low Temperatures For Sitges By Month **

Month Jan Feb Mar Apr May Jun
High 14°C 14°C 16°C 18°C 21°C 25°C
Mean 9°C 10°C 12°C 14°C 17°C 21°C
Low 5°C 6°C 8°C 10°C 13°C 17°C
Month Jul Aug Sep Oct Nov Dec
High 28°C 28°C 25°C 22°C 17°C 14°C
Mean 24°C 24°C 22°C 18°C 13°C 10°C
Low 20°C 20°C 18°C 14°C 9°C 6°C

The summer time in Sitges is when it’s at its peak with the best months to visit in May, June and September. Average daytime highs during these months range from a comfortable 20°C to 25°C degrees.

Sitges is at its hottest in July and August with temperatures often peaking at around 30°C during the day and rarely dropping below 20°C degrees at night. August can be particularly humid. In the hills behind Sitges where many of our holiday villas are located, the summer days are a little hotter than on the coast with temperatures often exceeding 32°C, however, the nights are slightly cooler and more comfortable.

Sitges is also an ideal winter break destination with plenty of sunshine and even the odd day when it is warm enough to lay on the beach. Temperatures can vary between the low to mid teens during the day, although the nights can be chilly.

Average Number of Daily Sunshine Hours in Sitges **

Month Jan Feb Mar Apr May Jun
Sun Hours 5 6 6 7 8 9
Month Jul Aug Sep Oct Nov Dec
Sun Hours 10 9 7 6 5 5

Sitges has a sunny climate year round with over 300 sunny days. July is the sunniest month with an average of over 10 hours of sun a day. Even the winter months enjoy and average of 5 of 6 hours of sun each day.

Average Number of Rainy Days in Sitges by Month **

Month Jan Feb Mar Apr May Jun
Rain days 3.2 3.1 3.7 4.5 4.6 3.3
Month Jul Aug Sep Oct Nov Dec
Rain days 2.4 3.6 5.3 5.9 4.5 3.3

The dry Mediterranean climate means there is little rainfall in Sitges apart from the occasional heavy shower usually in autumn and the spring. The late summer time may experience the odd thunder storm.

As you can see from the data above, there isn’t really a rainy season or even a rainy month in Sitges. The wetter months are typically September and October, but neither month has more than 6 days of rain. Drizzle is rare in Sitges and rainfall is usually in short heavy bursts often followed by clear sunny weather.

Average Sea Temperatures in Sitges **

Month Jan Feb Mar Apr May Jun
Temp 14°C 13°C 13°C 14°C 17°C 21°C
Month Jul Aug Sep Oct Nov Dec
Temp 24°C 25°C 24°C 21°C 18°C 15°C

Sitges enjoys 5 months of comfortable water temperatures for swimming and other water based sports. From June through October the average sea temperature is above 20°C. The sea is warmest in August when the water temperature hits a balmy 25°C.

Whatever time of year you choose to visit Sitges the chances are you will enjoy sunny and dry weather, and when planning your trip you can pretty much rest assured the gloves and scarf won’t need packing.

You can get the latest local weather forecast for Sitges at

** Weather data courtesy of