The average temperature for the week of 6 October 2025 - 12 October 2025 was 25 °C (77 °F) during the day and 16 °C (61 °F) during the night. The current temperatures are slightly above the long-term average for Sitges, with the daily and nighttime temperatures being 21 °C (70 °F) and 14 °C (57 °F), respectively. On average, the temperatures during various times of day (in local time) were recorded as: 7am 17 °C (63 °F), 10am 19 °C (66 °F), 1pm 24 °C (75 °F), 4pm 24 °C (75 °F), 7pm 22 °C (72 °F), 10pm 20 °C (68 °F).

There were 5 days without rain and 2 days with light rain during this week. The total precipitation for the week in Sitges was 5 mm (0.20 in), which is below the area's average of 19 mm (0.75 in). During the daytime (from dawn to dusk), there was 61 % cloud coverage on average.

Average speed of wind was 4.0 m/s. The air pressure was 1019 hpa - 1026 hpa. The average air humidity was 74 % in Sitges.

On average, there were 3 hours clear skies, 3 hours partially overcast skies, 5.5 hours overcast skies and 0.5 hours rainy weather during the daytime (from dawn to dusk). At 07:57, on average, the sun rose, and at 19:22, the sun set.

Weather overview

Sitges, a picturesque coastal town in Spain, is known for its warm Mediterranean climate, characterized by sunny summers and moderate winters. The temperature typically fluctuates between an average daytime low of 13 °C (55 °F) in January to a peak of approximately 28 °C (83 °F) during the height of summer in August. July witnesses the fewest rainy days, averaging about 3 days, whilst October sees the most precipitation with an average of 7 days. The Mediterranean Sea invites swimmers with its highest temperatures reaching 25 °C (78 °F) in August, while the coolest period occurs in February, touching 13 °C (55 °F). Winter nights can get as cold as 6 °C (43 °F) in January, and warm summer evenings peak at around 21 °C (69 °F) in August.

January weather

As the year begins, the sea temperature in Sitges gradually decreases to 13 °C (56 °F), corresponding with the lowest daytime temperatures of the season. The coldest nighttime temperatures are observable in January.

February weather

February in Sitges marks the beginning of an upward trend in the daytime temperatures, alongside the lowest sea temperatures recorded for the year. Additionally, there is a noticeable increase in the duration of sunlight hours, with an average of 6 hours.

March weather

March witnesses a gradual increase in the nighttime temperatures to an average of 8 °C (47 °F) in Sitges. Concurrently, daytime temperatures continue their ascent, reaching an average high of 16 °C (60 °F). The number of sunny hours, devoid of cloud cover, also rises, amounting to 6 hours.

April weather

April sees a similar rise in daytime temperatures as previous months in Sitges, while the sea temperature also begins its seasonal increase. Concurrently, there is a slight increase in the number of rainy days, with an average of 7 days, and the nighttime temperature continues to climb, marking an average of 10 °C (49 °F). The peak wind speed of the year can be observed, and the duration of sunshine hours keeps rising, now averaging 7 hours.

May weather

The sea temperature in Sitges undergoes a consistent rise during May, reaching an average of 17 °C (62 °F), meanwhile the daytime temperatures maintain their upward trend, averaging 21 °C (70 °F). The nights also exhibit a warm-up trend, settling in at an average of 13 °C (55 °F). The number of sunny hours without clouds rises in tandem, and one can note the initial increase in rainfall volume for the year.

June weather

June's increasing daytime heat in Sitges is met with a corresponding rise in sea temperatures, averaging at 21 °C (69 °F). The volume of rainfall and number of rainy days begin to decrease, evidenced by the numbers 30 mm (1.17 in) and 5 days, respectively. The prime tourist season kicks off with an uptick in nighttime temperatures.

July weather

The tourism peak in Sitges is recognizable in July, with daytime temperatures soaring to 28 °C (82 °F) and sea temperatures also reaching the year's high, averaging 24 °C (75 °F). The number of rainy days bottoms out at 3 days and the rainfall volume is at its lowest. The apex of sunny hours without clouds is observed, averaging 10 hours.

August weather

August in Sitges heralds the peak of the day temperatures, climbing to a stunning 28 °C (83 °F), matched by the sea’s warmest waters, averaging 25 °C (78 °F). The rainy days see a slight increase from the previous month, noted in the value of 5 days, and the rain volume too begins an upward trend, registering 48 mm (1.90 in). The continuing tourist season is marked by the highest nighttime temperatures.

September weather

September in Sitges indicates a mild slowdown in tourist activity. With the onset of the decline in sea temperature, down to 24 °C (75 °F), and a noticeable dip in daytime temperatures to 25 °C (77 °F), the rainfall amounts continue to rise, reaching an average of 72 mm (2.84 in). The number of rainy days also shows a consistent incline, now at 6 days, as the sunny hours start to diminish, averaging 7 hours.

October weather

The sea temperature continues its descent in Sitges during October, marked at 21 °C (70 °F), paralleled by a decrease in daytime temperatures to an average of 21 °C (69 °F). The high point for rainy days is noticed this month, averaging 7 days, and the peak rainfall volume is reached, measuring 83 mm (3.25 in). The nights grow cooler with temperatures dropping to 14 °C (58 °F), and the reduction in sunny hours becomes evident, valued at 6 hours.

November weather

The gradual cooling continues in Sitges throughout November, with day temperatures falling to an average of 16 °C (61 °F), and the sea temperatures also tapering, marked at 17 °C (63 °F). The downward trajectory in rainfall volume starts to become apparent, and the nights also follow a similar drop in temperature, averaging at 10 °C (50 °F). The gentlest wind speeds of the year are recorded, alongside the highest relative humidity percentages.

December weather

The trend of descending sea temperatures carries on into December in Sitges, with the sea cooling to 15 °C (59 °F), while daytime temperatures also pursue their decline, averaging 13 °C (56 °F). The month observes a reduction in both the number of rainy days and the rainfall amount. The nights grow gradually colder, now at 7 °C (45 °F). The minimum tally of sunny hours is apparent, valued at 4 hours.

What is the sea temperature in Sitges during January?

In January, the sea temperature in Sitges typically measures around 13 °C (56 °F).

How long are the sunlit hours without clouds in Sitges during February?

In February, you can expect about 6 hours of clear, sunlit hours each day.

How much does the nighttime temperature incrise during March in Sitges?

In Sitges, the nighttime temperatures gently warm up to an average of 8 °C (47 °F) in March.

What is the average number of expected hours of sunshine per day in April in Sitges?

You can anticipate an average daily sunshine duration of 7 hours in April in Sitges.

Can you describe the trend in night temperatures throughout May in Sitges?

In Sitges, May brings a progressive warming of night temperatures, with an average of 13 °C (55 °F), suggesting pleasant evenings suited for outdoor activities.

What can be said about sea temperatures in June in Sitges?

In June, the sea temperature in Sitges becomes warmer, reaching 21 °C (69 °F), offering a refreshing respite from the climbing terrestrial heat.

Is July in Sitges characteristically hot?

In Sitges, July is warmly welcoming with a daytime temperature of 28 °C (82 °F)—a hallmark of the ample summer warmth the town enjoys.

Does Sitges experience a wet season in August?

Despite the modest increase in rainfall, August in Sitges remains predominantly dry, with rain occurring on an average of 5 days.

What is the nature of daytime temperatures in September in Sitges?

September in Sitges is characterized by a pleasant daytime temperature averaging 25 °C (77 °F), ideal for a vast array of outdoor leisure activities.

How conducive is October for visiting Sitges?

October in Sitges offers temperate and inviting conditions for a visit, with a mix of warm afternoons and a comfortable degree of moisture, averaging 7 days of rain throughout the month.

Is November included in the dry season period for Sitges?

November in Sitges is outside the dry season, presenting a moderate occurrence of rainy days, with an average of 6 days noted.

What is the trend for sunny hours in December in Sitges?

December in Sitges marks the lowest count of sunny hours, with an average daily sum of 4 hours, indicative of the shorter daylight period.