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Leioa climate by month
What the weather is like
Leioa has an oceanic climate (Köppen Cfb): rain spread through the year and no real dry season.
The warmest month is August, when afternoons average 25° and nights 17°. January is the coolest month, with highs of 13° and lows of 6°. The difference between the warmest and the coolest month is about 11°.
About 1,040 mm of precipitation falls in an average year. January is the wettest month (111 mm, 17 wet days) and August the driest (67 mm, 9 wet days). Cloud cover ranges from 32% in August to 46% in December.
The sea reaches about 22° 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, Leioa is 8.1° cooler on a August afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 25° · August
- Coldest nights
- 6° · February
- Wettest month
- January
- Driest month
- August
- Clearest skies
- August · 32% cloud
- Warmest sea
- 22° · August
- Longest day
- 15 h 23 min
- Shortest day
- 9 h 00 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 | 13° | 13° | 16° | 17° | 20° | 22° | 24° | 25° | 23° | 20° | 16° | 14° |
| Average low | 6° | 6° | 7° | 9° | 11° | 14° | 16° | 17° | 14° | 12° | 9° | 7° |
| Precipitation | 111 mm | 81 mm | 85 mm | 98 mm | 75 mm | 56 mm | 45 mm | 67 mm | 71 mm | 105 mm | 129 mm | 117 mm |
| Wet days (≥1 mm) | 16.8 | 13.6 | 13.8 | 13.7 | 12.3 | 9.9 | 9.3 | 9.1 | 9.7 | 12.3 | 16.2 | 13.9 |
| Cloud cover | 45% | 43% | 41% | 41% | 40% | 37% | 34% | 32% | 34% | 40% | 44% | 46% |
| Sea temperature | 13° | 13° | 13° | 13° | 15° | 18° | 21° | 22° | 20° | 18° | 16° | 14° |
| Daylight | 9h 19 | 10h 31 | 11h 53 | 13h 24 | 14h 40 | 15h 23 | 15h 06 | 13h 59 | 12h 33 | 11h 05 | 9h 43 | 9h 00 |
| Month score | 35 | 37 | 50 | 57 | 67 | 74 | 76 | 78 | 75 | 67 | 50 | 38 |