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Rianxo climate by month
What the weather is like
Rianxo has a warm-summer Mediterranean climate (Köppen Csb): dry, sunny summers and mild, wetter winters.
The warmest month is August, when afternoons average 26° and nights 16°. January is the coolest month, with highs of 14° and lows of 7°. The difference between the warmest and the coolest month is about 11°.
About 1,624 mm of precipitation falls in an average year. January is the wettest month (189 mm, 18 wet days) and July the driest (36 mm, 6 wet days). Cloud cover ranges from 23% in July to 44% in December.
The sea reaches about 17° 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, Rianxo is 7° cooler on a August afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 26° · August
- Coldest nights
- 7° · February
- Wettest month
- January
- Driest month
- July
- Clearest skies
- July · 23% cloud
- Warmest sea
- 17° · August
- Longest day
- 15 h 18 min
- Shortest day
- 9 h 04 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° | 19° | 21° | 24° | 26° | 26° | 25° | 21° | 16° | 14° |
| Average low | 7° | 7° | 8° | 9° | 11° | 14° | 15° | 16° | 14° | 12° | 9° | 7° |
| Precipitation | 189 mm | 147 mm | 134 mm | 131 mm | 123 mm | 58 mm | 36 mm | 46 mm | 96 mm | 213 mm | 205 mm | 246 mm |
| Wet days (≥1 mm) | 17.7 | 13.4 | 14.9 | 13.8 | 11.8 | 7.7 | 6.2 | 6.8 | 7.4 | 14.8 | 16.7 | 15.7 |
| Cloud cover | 42% | 39% | 38% | 37% | 36% | 28% | 23% | 23% | 29% | 39% | 43% | 44% |
| Sea temperature | 14° | 13° | 13° | 14° | 15° | 16° | 17° | 17° | 17° | 16° | 16° | 14° |
| Daylight | 9h 23 | 10h 33 | 11h 53 | 13h 22 | 14h 37 | 15h 18 | 15h 01 | 13h 57 | 12h 32 | 11h 06 | 9h 47 | 9h 04 |
| Month score | 39 | 47 | 57 | 65 | 70 | 82 | 82 | 80 | 83 | 63 | 52 | 42 |