Castro-Urdiales in August
7.8out of 10
Yes, a good time to go
Warm and comfortable: highs around 23°C. Frequent rain: about 9 rainy days.
23°CAvg high
19°CAvg low
9Rainy days (49 mm)
13:47 hDaylight
07:23Sunrise · 21:11 Sunset
Why this score
- Warm and comfortable: highs around 23°C
- Frequent rain: about 9 rainy days
What to wear and pack
- T-shirts and light layers
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in August varies a lot between years (±3.3 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 12°C | 9°C | 119 mm | 15 | – | – | 5.3 |
| February | 12°C | 8°C | 104 mm | 14 | – | – | 5.6 |
| March | 14°C | 9°C | 98 mm | 13 | – | – | 5.9 |
| April | 15°C | 11°C | 89 mm | 14 | – | – | 6.0 |
| May | 17°C | 13°C | 69 mm | 13 | – | – | 6.6 |
| June | 20°C | 16°C | 56 mm | 10 | – | – | 7.4 |
| July | 22°C | 18°C | 46 mm | 9 | – | – | 7.8 |
| August | 23°C | 19°C | 49 mm | 9 | – | – | 7.8 |
| September | 21°C | 17°C | 67 mm | 11 | – | – | 7.5 |
| October | 19°C | 15°C | 103 mm | 14 | – | – | 6.6 |
| November | 15°C | 11°C | 152 mm | 16 | – | – | 5.5 |
| December | 13°C | 9°C | 116 mm | 15 | – | – | 5.5 |
Frequently asked questions
How hot is Castro-Urdiales in August?
Daytime highs average 23°C and nights about 19°C.
When is the best time to visit Castro-Urdiales?
The best months are July, August, September, June.