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Deba climate by month
What the weather is like
Deba 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 7°. The difference between the warmest and the coolest month is about 11°.
About 1,525 mm of precipitation falls in an average year. January is the wettest month (161 mm, 16 wet days) and July the driest (72 mm, 10 wet days). Cloud cover ranges from 33% 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, Deba 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
- July
- Clearest skies
- August · 33% 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° | 15° | 17° | 20° | 22° | 24° | 25° | 23° | 20° | 16° | 14° |
| Average low | 7° | 6° | 8° | 9° | 12° | 14° | 16° | 17° | 15° | 13° | 9° | 7° |
| Precipitation | 161 mm | 125 mm | 127 mm | 145 mm | 118 mm | 82 mm | 72 mm | 98 mm | 100 mm | 149 mm | 179 mm | 169 mm |
| Wet days (≥1 mm) | 16.2 | 13.1 | 13.8 | 13.8 | 13.6 | 10.8 | 9.6 | 9.8 | 10.3 | 12.2 | 15.4 | 13.8 |
| Cloud cover | 45% | 43% | 41% | 42% | 41% | 38% | 34% | 33% | 33% | 39% | 43% | 46% |
| Sea temperature | 13° | 12° | 13° | 14° | 16° | 19° | 21° | 22° | 21° | 18° | 16° | 14° |
| Daylight | 9h 19 | 10h 31 | 11h 53 | 13h 24 | 14h 40 | 15h 23 | 15h 05 | 13h 59 | 12h 32 | 11h 05 | 9h 44 | 9h 00 |
| Month score | 33 | 39 | 49 | 58 | 63 | 71 | 76 | 76 | 74 | 67 | 50 | 37 |