


Itsasondo
Itsasondo is a village in Basque Country, Spain. It has a population of about 687 (2025). The climate is classified as oceanic (Köppen Cfb), with rain spread through the year and no real dry season.
Best: Jun–Jul · Sep. Warmth, sunshine and dry days, month by month.
Itsasondo at a glance
The months with the highest weather score
Average high in August
Average low in January
174 mm of rain
73 mm of rain
4 of them World Heritage
Weather in Itsasondo
Now and the next ten days. The 14 and 30-day outlooks are one click away.
Cloudy · wind 8 km/h · humidity 55%
When to go to Itsasondo
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 | 25 | 34 | 50 | 60 | 63 | 71 | 74 | 70 | 74 | 67 | 43 | 29 |
| High | 11° | 12° | 16° | 18° | 21° | 24° | 26° | 26° | 24° | 20° | 15° | 12° |
| Low | 4° | 4° | 6° | 7° | 10° | 13° | 15° | 15° | 13° | 11° | 7° | 5° |
| Rain (mm) | 174 | 136 | 144 | 164 | 138 | 92 | 73 | 91 | 100 | 151 | 189 | 187 |
| Wet days | 16 | 13 | 14 | 14 | 14 | 11 | 10 | 10 | 10 | 12 | 15 | 14 |
What's on in Itsasondo
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Itsasondo


Outdoors around Itsasondo
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 Itsasondo
Wildlife in October
The birds and mammals of Spain seen most this month, compared with the rest of their year.
The sky over Itsasondo
Earthquakes around Itsasondo
The last 30 days within 300 km, and the record since 1950.
Strongest nearby since 1950
Towns and villages around Itsasondo
Each with its own page: weather, climate and the best time to visit.
Itsasondo from above
Postal code
Getting to Itsasondo
Places near Itsasondo
Places with a climate like Itsasondo
Matched month by month on temperature, rain and sunshine.
