Deltebre climate by month
What the weather is like
Deltebre has a hot-summer Mediterranean climate (Köppen Csa): dry, sunny summers and mild, wetter winters.
The warmest month is August, when afternoons average 30° and nights 23°. January is the coolest month, with highs of 15° and lows of 8°. The difference between the warmest and the coolest month is about 15°.
About 554 mm of precipitation falls in an average year. September is the wettest month (70 mm, 10 wet days) and June the driest (27 mm, 4 wet days). Cloud cover ranges from 12% in July to 30% in May.
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, Deltebre is 3.3° cooler on a August afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 30° · August
- Coldest nights
- 8° · February
- Wettest month
- September
- Driest month
- June
- Clearest skies
- July · 12% cloud
- Warmest sea
- 26° · August
- Longest day
- 15 h 04 min
- Shortest day
- 9 h 17 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° | 16° | 17° | 19° | 23° | 26° | 29° | 30° | 27° | 23° | 19° | 16° |
| Average low | 8° | 8° | 10° | 12° | 15° | 19° | 22° | 23° | 20° | 16° | 12° | 9° |
| Precipitation | 39 mm | 34 mm | 34 mm | 55 mm | 55 mm | 27 mm | 16 mm | 32 mm | 70 mm | 86 mm | 59 mm | 47 mm |
| Wet days (≥1 mm) | 5.2 | 4.4 | 6 | 7 | 6.3 | 4.2 | 4.2 | 6.2 | 9.7 | 8 | 5.9 | 4.8 |
| Cloud cover | 28% | 28% | 27% | 29% | 30% | 20% | 12% | 18% | 25% | 30% | 30% | 30% |
| Sea temperature | 14° | 13° | 14° | 15° | 18° | 22° | 25° | 26° | 25° | 22° | 18° | 15° |
| Daylight | 9h 34 | 10h 39 | 11h 54 | 13h 17 | 14h 26 | 15h 04 | 14h 49 | 13h 49 | 12h 30 | 11h 10 | 9h 56 | 9h 17 |
| Saharan dust haze | – | – | – | ● | – | – | ● | ● | – | – | – | – |
| Month score | 72 | 77 | 82 | 84 | 85 | 85 | 73 | 66 | 68 | 81 | 86 | 76 |
Dust haze, monthly average 2015–2024: ● occasional, ●● frequent, ●●● very frequent