WeatherApex
Bilbao, Spain skyline

Bilbao Weather by Month

Twelve months of Bilbao, Spain weather — averages from 2006–2025.

Bilbao's warmest month is August (average high 24.4°C (75.9°F)) and the coolest is January (12.1°C (53.8°F)). The most rain falls in November (about 153 mm), and July is the driest (about 44 mm). July is the sunniest, with about 11.2 hours of sunshine a day.

Best months to visit Bilbao

  1. #1JulyGreat
  2. #2AugustGreat
  3. #3SeptemberGood

Ranked within Bilbao's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.

Bilbao month by month

January

Fair

High 12.1°C (53.8°F)
Low 6.4°C (43.5°F)

Rainfall
134 mm (5.3 in)
Rainy days
16 rainy days
Sunshine
5.6 h sunshine / day
January

February

Good

High 13.1°C (55.6°F)
Low 6.5°C (43.7°F)

Rainfall
115 mm (4.5 in)
Rainy days
14 rainy days
Sunshine
6.9 h sunshine / day
February

March

Fair

High 14.6°C (58.3°F)
Low 7.8°C (46°F)

Rainfall
114 mm (4.5 in)
Rainy days
16 rainy days
Sunshine
8.3 h sunshine / day
March

April

Good

High 16.5°C (61.7°F)
Low 9.4°C (48.9°F)

Rainfall
90 mm (3.5 in)
Rainy days
14 rainy days
Sunshine
9.4 h sunshine / day
April

May

Good

High 18.8°C (65.8°F)
Low 11.7°C (53.1°F)

Rainfall
84 mm (3.3 in)
Rainy days
15 rainy days
Sunshine
10.4 h sunshine / day
May

June

Good

High 21.8°C (71.2°F)
Low 15°C (59°F)

Rainfall
72 mm (2.8 in)
Rainy days
12 rainy days
Sunshine
10.6 h sunshine / day
June

July

Great

High 23.7°C (74.7°F)
Low 16.9°C (62.4°F)

Rainfall
44 mm (1.7 in)
Rainy days
10 rainy days
Sunshine
11.2 h sunshine / day
July

August

Great

High 24.4°C (75.9°F)
Low 17.2°C (63°F)

Rainfall
49 mm (1.9 in)
Rainy days
10 rainy days
Sunshine
10.7 h sunshine / day
August

September

Good

High 22.9°C (73.2°F)
Low 15.6°C (60.1°F)

Rainfall
66 mm (2.6 in)
Rainy days
11 rainy days
Sunshine
9.8 h sunshine / day
September

October

Good

High 20.5°C (68.9°F)
Low 13.4°C (56.1°F)

Rainfall
90 mm (3.6 in)
Rainy days
13 rainy days
Sunshine
7.8 h sunshine / day
October

November

Fair

High 15.6°C (60.1°F)
Low 10°C (50°F)

Rainfall
153 mm (6 in)
Rainy days
16 rainy days
Sunshine
6.1 h sunshine / day
November

December

Good

High 13.2°C (55.8°F)
Low 7.7°C (45.9°F)

Rainfall
111 mm (4.4 in)
Rainy days
15 rainy days
Sunshine
5.7 h sunshine / day
December
Full 20-year climate guide for BilbaoCharts, the monthly averages table and packing tips

More Spain cities by month

Madrid

Weather by month

Barcelona

Weather by month

Valencia

Weather by month

Seville

Weather by month

Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.