Open Travel Guide
Weather in Basque Country

Basque Country Weather & Climate Guide 2026

Basque Country's climate in numbers — the months that flatter it, the ones to avoid, and what to pack.

The Basque Country (Euskadi) is an autonomous community in northern Spain nestled between the Cantabrian mountains and the Bay of Biscay, celebrated worldwide for its extraordinary gastronomy, avant-garde architecture, and fiercely proud cultural identity. Home to Bilbao's transformative Guggenheim Museum and San Sebastián's legendary pintxos bars, the region blends industrial heritage with breathtaking coastal scenery and lush green valleys. With more Michelin stars per capita than almost anywhere on earth, the Basque Country offers travelers a uniquely sophisticated yet deeply authentic Spanish experience.

The Basque Country has a temperate oceanic (Atlantic) climate, characterised by mild temperatures throughout the year, relatively high rainfall, and lush green landscapes. Coastal areas receive the most precipitation (over 1,200mm annually) while the interior Álava province has a drier, more continental climate. Summers are warm and pleasant (18–25°C) rather than scorching, making the region a refreshing alternative to southern Spain in peak summer.

Best time to visit

Recommendation

Best: June to September

Best Reason: Summer brings the warmest, driest weather for enjoying beaches and outdoor activities, plus the region's major festivals including Aste Nagusia in Bilbao (August) and the cider season (January–April) for culture lovers.

Peak Season: July and August

Avoid: November to February

Avoid Reason: November and December are the wettest months with up to 160–183mm of rainfall; January and February are cold and grey with very limited beach activity, though cider houses and cultural attractions remain open.

Month-by-month weather

Typical conditions throughout the year.

January

5–10°C / 41–50°F

Cold and frequently wet on the coast; cider season begins. Very few tourists.

February

6–11°C / 43–52°F

Still cold and wet; cider season continues through April.

March

8–14°C / 46–57°F

Early spring; variable weather with mild days and still some rain.

April

10–17°C / 50–63°F

Spring in full bloom; pleasant for walking and sightseeing. Easter can be busy.

May

13–19°C / 55–66°F

Excellent weather, long days, green landscapes, few tourists.

June

16–22°C / 61–72°F

Summer begins; warm, manageable crowds, ideal conditions.

July

18–25°C / 64–77°F

Peak summer; warmest and driest month. San Fermín in Pamplona nearby.

August

18–25°C / 64–77°F

Aste Nagusia festival in Bilbao; highest crowds and prices; very lively.

September

15–22°C / 59–72°F

Excellent month — warm, fewer crowds, San Sebastián Film Festival. Best overall.

October

11–17°C / 52–63°F

Autumn colours; increasing rain but still pleasant for sightseeing.

November

8–13°C / 46–55°F

Wettest month; most tourists have gone; colder and grey.

December

6–11°C / 43–52°F

Christmas markets in Bilbao and San Sebastián; cold but festive.

The seasons

What to expect in each part of the year.

Season

Spring

Months: March–May

Spring is variable with mild temperatures and occasional showers. The Basque countryside turns spectacularly green and wildflowers bloom on the hills. Fewer tourists and more affordable accommodation make this an excellent time to visit.

Season

Summer

Months: June–August

The best weather for beaches and outdoor activities, with warm days (22–26°C), long evenings, and the major festivals. July is the peak month for domestic Spanish tourism; August sees the major festivals including Aste Nagusia Bilbao. Accommodation must be booked months ahead.

Season

Fall

Months: September–November

September is arguably the best month to visit — warm weather (18–22°C), far fewer tourists than August, the San Sebastián Film Festival, and the txakoli grape harvest. October brings beautiful golden foliage but increasing rain. November becomes wet and grey.

Season

Winter

Months: December–February

Cool and often rainy on the coast, with cold temperatures in the interior mountain areas. Cider house season begins in January, providing a warm, convivial winter activity. Christmas markets in Bilbao and San Sebastián are charming, and the Basque Country is much quieter and cheaper.

Crowds & peak times

When to expect tourists and when to avoid them.

High Season
July–August (also Semana Grande/Aste Nagusia festival weeks)
Shoulder Season
April–June and September–October
Low Season
November–March (except Christmas period)

Major events & festivals

Time your visit around what matters.

Event

Cider Season (Txotx)

Traditional cider houses open for the sagardo tasting season; txotx ritual at barrel openings throughout Gipuzkoa

Event

Tamborrada San Sebastián

San Sebastián's extraordinary patron saint festival with 24 hours of non-stop drumming parades

Event

Fiestas de Abusu

Vitoria-Gasteiz spring festival

Event

San Sebastián International Film Festival

One of the world's major film festivals bringing celebrities and cinema lovers to Donostia

Event

Aste Nagusia Bilbao (Semana Grande)

Bilbao's biggest annual festival with concerts, fireworks, and week-long celebrations

Event

Semana Grande San Sebastián

San Sebastián's main summer festival with beach concerts, fireworks competitions, and events

Event

Fiesta de la Virgen Blanca, Vitoria-Gasteiz

The Basque capital's patron saint festival featuring the Celedón (flying figure) ceremony

Event

Txakoli harvest festival, Getaria

Grape harvest celebrations in the txakoli wine country around Getaria and Zarautz