




Sestao
Sestao is a town in Basque Country, Spain, close to the sea. It has a population of about 28,512 (2025). The climate is classified as oceanic (Köppen Cfb), with rain spread through the year and no real dry season.
Best: Jul–Sep. Warmth, sunshine and dry days, month by month.
Sestao at a glance
The months with the highest weather score
Average high in August
Average low in January
114 mm of rain
47 mm of rain
August
2 of them World Heritage
Weather in Sestao
Now and the next ten days. The 14 and 30-day outlooks are one click away.
Sunny · wind 11 km/h · humidity 65%
When to go to Sestao
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 34 | 38 | 50 | 58 | 67 | 74 | 76 | 77 | 75 | 67 | 49 | 37 |
| High | 13° | 13° | 16° | 17° | 20° | 22° | 24° | 25° | 23° | 21° | 16° | 14° |
| Low | 6° | 6° | 7° | 9° | 11° | 14° | 16° | 16° | 14° | 12° | 9° | 7° |
| Rain (mm) | 114 | 83 | 87 | 101 | 78 | 58 | 47 | 69 | 73 | 108 | 132 | 120 |
| Wet days | 17 | 14 | 14 | 14 | 12 | 10 | 9 | 9 | 10 | 12 | 16 | 14 |
| Sea | 13° | 13° | 13° | 13° | 15° | 18° | 21° | 22° | 20° | 18° | 16° | 14° |
What's on in Sestao
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Sestao


Outdoors around Sestao
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
Nature around Sestao
Wildlife in October
The birds and mammals of Spain seen most this month, compared with the rest of their year.
The sky over Sestao
Earthquakes around Sestao
The last 30 days within 300 km, and the record since 1950.
Towns and villages around Sestao
Each with its own page: weather, climate and the best time to visit.
Sestao from above
Postal code
Getting to Sestao
Places near Sestao
Places with a climate like Sestao
Matched month by month on temperature, rain and sunshine.
