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Sitges climate by month
What the weather is like
Sitges has a hot-summer Mediterranean climate (Köppen Csa): dry, sunny summers and mild, wetter winters.
The warmest month is August, when afternoons average 29° and nights 22°. January is the coolest month, with highs of 15° and lows of 6°. The difference between the warmest and the coolest month is about 15°.
About 548 mm of precipitation falls in an average year. September is the wettest month (73 mm, 9 wet days) and February the driest (34 mm, 5 wet days). Cloud cover ranges from 14% in July to 32% in November.
The sea reaches about 26° in August. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Madrid, the capital, Sitges is 3.7° cooler on a August afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 29° · August
- Coldest nights
- 6° · January
- Wettest month
- September
- Driest month
- February
- Clearest skies
- July · 14% cloud
- Warmest sea
- 26° · August
- Longest day
- 15 h 08 min
- Shortest day
- 9 h 13 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 15° | 15° | 17° | 19° | 22° | 26° | 29° | 29° | 27° | 23° | 18° | 15° |
| Average low | 6° | 7° | 9° | 11° | 14° | 18° | 21° | 22° | 18° | 15° | 10° | 7° |
| Precipitation | 40 mm | 34 mm | 35 mm | 44 mm | 49 mm | 30 mm | 18 mm | 55 mm | 73 mm | 76 mm | 54 mm | 40 mm |
| Wet days (≥1 mm) | 5.5 | 5 | 6.8 | 7.7 | 7.7 | 5.5 | 5.5 | 6.3 | 8.7 | 8.4 | 6.3 | 5.2 |
| Cloud cover | 30% | 30% | 30% | 30% | 31% | 22% | 14% | 19% | 27% | 31% | 32% | 30% |
| Sea temperature | 14° | 13° | 14° | 15° | 17° | 21° | 24° | 26° | 24° | 21° | 18° | 15° |
| Daylight | 9h 31 | 10h 38 | 11h 53 | 13h 18 | 14h 29 | 15h 08 | 14h 52 | 13h 51 | 12h 31 | 11h 09 | 9h 54 | 9h 13 |
| Month score | 69 | 72 | 78 | 82 | 81 | 83 | 71 | 67 | 73 | 80 | 84 | 73 |