Spring (March–May): Average 13.3–16.5°C, mild and rainy with occasional sunshine. Common activities: Exploring the old town, visiting museums, walking along the Bay of Biscay. Recommended clothing: Light jacket, comfortable trousers or skirt, comfortable shoes.
Summer (June–August): Average 20.0–22.6°C, warm and dry with plenty of sunshine and occasional showers. Common activities: Relaxing on the beach, enjoying outdoor activities, tasting local cuisine. Recommended clothing: Light short-sleeved clothing, shorts, sun hat, sunscreen.
Autumn (September–November): Average 14.3–20.2°C, pleasant and comfortable but with more rainfall. Common activities: Visiting the Guggenheim Museum Bilbao, strolling through city parks, tasting local wines. Recommended clothing: Light jacket, long-sleeved shirts, comfortable shoes.
Winter (December–February): Average 9.7–11.5°C, cold and humid with frequent rain and occasional overcast skies. Common activities: Visiting indoor attractions, enjoying café culture, shopping for local products in indoor markets. Recommended clothing: Warm jacket, scarf, gloves, hat.
Weather in Bilbao
Annual average temperature: approx. 16°C / Annual rainfall: approx. 1135 mm / Summer humidity: 60%–70% / Rainiest month: January
Bilbao weather by month
Month
Air temperature (°C)
Precipitation (mm)
January
9.7°C
165
February
10.5°C
83.7
March
13.3°C
75.7
April
13.6°C
72.7
May
16.5°C
78.7
June
20°C
68.3
July
21.7°C
14.7
August
22.6°C
71.3
September
20.2°C
131.3
October
19.5°C
85
November
14.3°C
162.3
December
11.5°C
127
7-day weather forecast for Bilbao
10/23
Friday
Patchy rain nearby
16.2°C/11.2°C
10/24
Saturday
Overcast
18.3°C/8.5°C
10/25
Sunday
Overcast
21°C/10.3°C
10/26
Monday
Sunny
24.8°C/11°C
10/27
Tuesday
Overcast
22.2°C/13.9°C
10/28
Wednesday
Mist
16.3°C/13.1°C
10/29
Thursday
Cloudy
22°C/12.7°C
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