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aherrero CC BY-SA 4.0 Wikimedia Commons

Billao

Island
Billao Bilbao CityGasteiz / VitoriaDonostia / San SebastianBarakaldoBasauriAulestiBillao
In this guide

Billao essentials

Country: Spain
Driest months: Jun-Aug
Pay in: Euro (€)
Language: Catalan
Emergency: 091

Billao at a Glance

Things to Do
When to Go

Best Time to Visit Billao

Summer offers the best weather for visiting small Basque villages; shoulder seasons provide a quieter experience.

Late Spring / Summer
May-Aug · 15-28°C (59-82°F)
Best weather for walking and village exploration; local festivals often occur in summer.
Autumn
Sep-Nov · 10-20°C (50-68°F)
Cooler weather and harvest-season activity; quieter for visitors.

Weather & Climate near Billao

Climate

Temperate climate with mild summers (peaking in August) and cold winters (coldest in January). Temperatures range from 5°C to 24°C. Abundant rainfall (1219 mm/year), wettest in November.

Air Quality: AQI 35 Good
Best Time to Visit
JulyAugustSeptember
Temperature & Rainfall
Temperature Range
36°
Warmest Month
0°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor 5° - 13° 7° 131 mm overcast 80% 4.1 m/s 0.2 low 9.2h
February Acceptable 5° - 14° 8° 101 mm overcast 78% 4.0 m/s 0.3 low 10.3h
March Acceptable 6° - 15° 11° 101 mm overcast 78% 3.9 m/s 0.7 moderate 11.8h
April Acceptable 7° - 16° 11° 126 mm overcast 79% 4.1 m/s 1.1 high 13.3h
May Good 10° - 19° 14° 89 mm overcast 79% 3.6 m/s 1.4 high 14.5h
June Very Good 13° - 21° 17° 66 mm partly cloudy 78% 3.4 m/s 1.7 very high 15.2h
July Excellent 15° - 24° 19° 55 mm partly cloudy 76% 3.3 m/s 1.7 very high 14.9h
August Very Good 15° - 24° 20° 87 mm partly cloudy 73% 3.0 m/s 1.5 high 13.8h
September Very Good 13° - 23° 18° 76 mm partly cloudy 72% 3.2 m/s 1.1 high 12.4h
October Good 11° - 20° 15° 125 mm partly cloudy 73% 3.6 m/s 0.6 moderate 10.9h
November Acceptable 8° - 16° 12° 142 mm overcast 77% 3.8 m/s 0.2 low 9.5h
December Acceptable 6° - 14° 8° 120 mm overcast 79% 4.2 m/s 0.1 low 8.8h
Getting There & Around

How to Get to Billao

Accessible by regional roads in the Basque Country; local buses and hire cars from nearby towns are typical ways to reach small villages.

Tips for Visiting Billao

  • The Basque Country's small hamlets often have limited services; plan for modest cafes and shops in nearby larger towns.
  • Explore on foot to appreciate the village layout and regional stone architecture.
  • Ask locally about any festivals or local church feast days - these often provide richer cultural access than formal tourist events.