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Blanes climate by month
What the weather is like
Blanes has a hot-summer Mediterranean climate (Köppen Csa): dry, sunny summers and mild, wetter winters.
The warmest month is August, when afternoons average 31° and nights 21°. January is the coolest month, with highs of 14° and lows of 6°. The difference between the warmest and the coolest month is about 15°.
About 635 mm of precipitation falls in an average year. May is the wettest month (56 mm, 9 wet days) and December the driest (50 mm, 5 wet days). Cloud cover ranges from 17% in July to 34% in October.
The sea reaches about 25° 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, Blanes is 2.5° cooler on a August afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 31° · August
- Coldest nights
- 6° · January
- Wettest month
- May
- Driest month
- December
- Clearest skies
- July · 17% cloud
- Warmest sea
- 25° · August
- Longest day
- 15 h 11 min
- Shortest day
- 9 h 11 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 | 14° | 15° | 17° | 20° | 23° | 27° | 30° | 31° | 27° | 23° | 18° | 15° |
| Average low | 6° | 6° | 8° | 10° | 14° | 17° | 20° | 21° | 18° | 14° | 10° | 7° |
| Precipitation | 48 mm | 45 mm | 52 mm | 57 mm | 56 mm | 40 mm | 24 mm | 45 mm | 72 mm | 89 mm | 57 mm | 50 mm |
| Wet days (≥1 mm) | 6.8 | 5.8 | 8.1 | 8.1 | 8.8 | 6 | 6 | 6.7 | 7.5 | 8.4 | 7 | 5.1 |
| Cloud cover | 32% | 32% | 33% | 33% | 33% | 25% | 17% | 21% | 28% | 34% | 34% | 33% |
| Sea temperature | 13° | 13° | 13° | 14° | 17° | 20° | 23° | 25° | 23° | 20° | 17° | 15° |
| Daylight | 9h 29 | 10h 37 | 11h 53 | 13h 19 | 14h 31 | 15h 11 | 14h 55 | 13h 53 | 12h 31 | 11h 08 | 9h 52 | 9h 11 |
| Month score | 64 | 70 | 77 | 80 | 78 | 76 | 64 | 61 | 74 | 79 | 82 | 72 |