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Arucas climate by month
What the weather is like
Arucas has a hot semi-arid climate (Köppen BSh): little rain, large day–night swings and strong sunshine.
The warmest month is August, when afternoons average 27° and nights 21°. January is the coolest month, with highs of 19° and lows of 13°. The difference between the warmest and the coolest month is about 7°, a small seasonal swing typical of places tempered by the sea.
About 312 mm of precipitation falls in an average year. November is the wettest month (48 mm, 6 wet days) and July the driest (3 mm, 0 wet days). Cloud cover ranges from 21% in August to 29% in January.
The sea reaches about 24° in September. 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, Arucas is 6.5° cooler on a August afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 27° · August
- Coldest nights
- 13° · January
- Wettest month
- November
- Driest month
- July
- Clearest skies
- August · 21% cloud
- Warmest sea
- 24° · September
- Longest day
- 13 h 55 min
- Shortest day
- 10 h 22 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 | 19° | 19° | 20° | 21° | 22° | 24° | 26° | 27° | 26° | 25° | 22° | 21° |
| Average low | 13° | 13° | 14° | 15° | 16° | 18° | 20° | 21° | 20° | 19° | 17° | 15° |
| Precipitation | 50 mm | 51 mm | 28 mm | 17 mm | 8 mm | 3 mm | 3 mm | 3 mm | 14 mm | 31 mm | 48 mm | 56 mm |
| Wet days (≥1 mm) | 3.7 | 5 | 3 | 1.8 | 0.9 | 0.3 | 0.1 | 0.7 | 1.1 | 3.8 | 5.5 | 4.6 |
| Cloud cover | 29% | 28% | 27% | 28% | 27% | 23% | 22% | 21% | 21% | 25% | 29% | 29% |
| Sea temperature | 20° | 19° | 19° | 19° | 20° | 21° | 22° | 23° | 24° | 23° | 22° | 21° |
| Daylight | 10h 33 | 11h 12 | 11h 58 | 12h 50 | 13h 32 | 13h 55 | 13h 46 | 13h 10 | 12h 21 | 11h 31 | 10h 46 | 10h 22 |
| Saharan dust haze | ● | ● | ● | – | – | ● | ●●● | ●● | ● | ● | – | ● |
| Month score | 91 | 88 | 93 | 96 | 98 | 99 | 98 | 92 | 93 | 91 | 87 | 89 |
Dust haze, monthly average 2015–2024: ● occasional, ●● frequent, ●●● very frequent