Sitges, Spain experiences average highs of 21°C (70°F) and lows of 14°C (57°F) throughout the year. Rainfall is moderate, averaging about 8 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have warmed by 0.7°C (1.3°F) across the available records.
Sitges, Spain Weather & Climate 2026
Monthly climate averages for Sitges, Spain. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
7.8/10
Best: June, September, October
UV Index
5
Low
Temperature 21°C / 14°C
Feels Like 20°C / 13°C
Rainy Days 8
Rainfall 52 mm
Sunshine 10 h
Humidity 77%
Wind Speed 20 km/h
Dew Point 13°C
Hottest Month
29°C
August
Avg Low23°C
Rain7days
Coldest Month
7°C
January
Avg High14°C
Rain5days
Driest Month
5days
January
Avg High14°C
Avg Low7°C
Windiest Month
22 km/h
March (Gusts 37)
Sea Temperature
14°C – 28°C
Warmest water: August (
27.7°C
)
Worst Time to Visit
Consider avoiding January, February, December due to less favorable weather conditions.
Sun Position
Sunrise 06:21
Daylight 15.1h
Sunset 21:28
Live conditions—
Sitges on the map · live conditions
Sitges, Spain
- Continent
- Europe
- Country
- Spain
- City
- Sitges
- Population
- 27.7K
- Coordinates
- 41.24°, 1.81°
Seasonal Breakdown
Spring
Mar–May
Avg High 19°C
Avg Low 11°C
Rain 8 days/mo
Summer
Jun–Aug
Avg High 28°C
Avg Low 21°C
Rain 6 days/mo
1/3 best months
Autumn
Sep–Nov
Avg High 22°C
Avg Low 16°C
Rain 10 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 15°C
Avg Low 7°C
Rain 6 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 14°C / 7°C . Feb: 15°C / 8°C . Mar: 16°C / 9°C . Apr: 18°C / 11°C . May: 22°C / 14°C . Jun: 26°C / 19°C . Jul: 29°C / 22°C . Aug: 29°C / 23°C . Sep: 25°C / 19°C . Oct: 22°C / 16°C . Nov: 17°C / 11°C . Dec: 15°C / 8°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 43 mm. Feb: 41 mm. Mar: 53 mm. Apr: 63 mm. May: 39 mm. Jun: 28 mm. Jul: 32 mm. Aug: 51 mm. Sep: 85 mm. Oct: 97 mm. Nov: 56 mm. Dec: 39 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 77%. Feb: 78%. Mar: 76%. Apr: 77%. May: 77%. Jun: 74%. Jul: 74%. Aug: 75%. Sep: 78%. Oct: 80%. Nov: 77%. Dec: 80%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 21 km/h . Feb: 19 km/h . Mar: 22 km/h . Apr: 22 km/h . May: 20 km/h . Jun: 20 km/h . Jul: 20 km/h . Aug: 20 km/h . Sep: 19 km/h . Oct: 18 km/h . Nov: 20 km/h . Dec: 20 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 8h. Mar: 10h. Apr: 11h. May: 13h. Jun: 13h. Jul: 13h. Aug: 12h. Sep: 10h. Oct: 9h. Nov: 8h. Dec: 7h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 14°C . Feb: 14°C . Mar: 14°C . Apr: 16°C . May: 19°C . Jun: 23°C . Jul: 26°C . Aug: 28°C . Sep: 25°C . Oct: 22°C . Nov: 18°C . Dec: 16°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 3. Mar: UV 5. Apr: UV 6. May: UV 7. Jun: UV 8. Jul: UV 8. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have warmed by 0.7°C (1.3°F) across the available records. Average rainfall is trending wetter by about 11 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 30°C | Aug · 29°C |
| Coldest month | Jan 2025 · 8°C | Jan · 7°C |
| Wettest month | Dec 2025 · 133 mm | Oct · 97 mm |
| Windiest month | Mar 2025 · 23 km/h | Mar · 22 km/h |
Month-by-Month Weather Table
January
Fair 
February
Good March
Good April
Good May
Good June best
Excellent July
Excellent August
Good September best
Excellent October best
Excellent November
Good December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 14°C / 7°C | 11°C / 3°C | 5days (43 mm) Good | 7.4h Good | 77% Humid | 2.5 Moderate | Fair | View Details |
| February | 15°C / 8°C | 13°C / 5°C | 6days (41 mm) Good | 8.4h Good | 78% Humid | 3.4 Moderate | Good | View Details |
| March | 16°C / 9°C | 14°C / 6°C | 9days (53 mm) Wet | 9.6h Good | 76% Humid | 4.5 Moderate | Good | View Details |
| April | 18°C / 11°C | 17°C / 9°C | 9days (63 mm) Wet | 10.9h Excellent | 77% Humid | 5.9 High | Good | View Details |
| May | 22°C / 14°C | 22°C / 14°C | 7days (39 mm) Good | 12.5h Excellent | 77% Humid | 7.2 Very High | Good | View Details |
| June best | 26°C / 19°C | 28°C / 21°C | 6days (28 mm) Good | 13.2h Excellent | 74% Muggy | 7.5 Very High | Excellent | View Details |
| July | 29°C / 22°C | 32°C / 25°C | 5days (32 mm) Good | 13.3h Excellent | 74% Muggy | 7.5 Very High | Excellent | View Details |
| August | 29°C / 23°C | 32°C / 26°C | 7days (51 mm) Good | 12h Excellent | 75% Muggy | 7 High | Good | View Details |
| September best | 25°C / 19°C | 27°C / 21°C | 12days (85 mm) Wet | 10.3h Excellent | 78% Humid | 5.5 High | Excellent | View Details |
| October best | 22°C / 16°C | 22°C / 16°C | 10days (97 mm) Wet | 8.7h Good | 80% Humid | 4.2 Moderate | Excellent | View Details |
| November | 17°C / 11°C | 16°C / 9°C | 8days (56 mm) Wet | 7.8h Good | 77% Humid | 2.8 Moderate | Good | View Details |
| December | 15°C / 8°C | 13°C / 5°C | 6days (39 mm) Good | 7.2h Good | 80% Humid | 2.2 Moderate | Good | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Sitges are June, September, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Sitges, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Sitges is August, with average daytime highs of 29°C (84°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Sitges is January, with average overnight lows of 7°C (44°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Sitges is October, averaging 97mm of precipitation across 10 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Sitges runs through September, October, with the heaviest rainfall in September. Based on 10-year averages for Sitges.
Sitges receives approximately 121 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Sitges.
The least favorable months to visit Sitges are January, February, December, primarily due to less favorable weather conditions. For the best conditions, consider June, September, October instead.
The annual average UV index in Sitges is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Sitges is 77%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in June, July, August, September, October average 25°C (77°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Sitges are 20 km/h (12 mph). The windiest month is March with peak winds reaching 22 km/h (14 mph) (gusts up to 37 km/h / 23 mph).
Sitges averages 6 clear-sky days per month with overall cloud cover around 48%. The clearest skies occur in July.
The annual average dew point in Sitges is 13°C (55°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Sitges has a Hot-Summer Mediterranean climate, classified as Csa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Sitges ranges from 13°C (55°F) to 20°C (68°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Sitges. It earns a climate score of 9.6/10 with Excellent.
For June in Sitges, pack Umbrella, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. With average highs of 26°C (79°F) and 6 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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