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Bilbao, Spain · Temperate oceanic

Bilbao: best months to visit

August (8.2/10) · December (4.0/10).

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 43.26°N · 2.93°W
⚡ Quick answer
August
Depends on your goals
8.2/10
☀️ Aug
Top score (8.2/10)
🌤️ Jul
Alt. (8.1/10)
Dec
Plus rude (4.0/10)
🌊 Seaside☁️ Often cloudy🍴 Gastronomy
Photo par Anastasiia Rozumna via Unsplash
Decide

When to visit Bilbao?

The decision rests on several criteria. Climate score, tourist crowds and feasible activities.

Verdict: In Bilbao, August and July clearly stand out. December concentrates the least favorable conditions.
Top & avoid
🏆 August · 8.2 July · 8.1 September · 7.9 June · 7.8 ⚠️ December · 4.0
4.0
Jan
4.2
Feb
4.3
Mar
4.4
Apr
7.2
May
7.8
Jun
8.1
Jul
8.2
Aug
7.9
Sep
7.4
Oct
4.1
Nov
4.0
Dec
Best period · ≥ 7 Decent period · 4 – 7 Tough conditions · < 4

What you grasp in 5 seconds

Bilbao offers 6 comfortable months, without any month really to avoid. The gap stays moderate: 8.2 in August vs 4.0 in December.

What to check next

Your tolerance for crowds and budget. The best months concentrate tourist saturation and higher prices. Shoulder seasons offer a good compromise.

Next action

Scroll down to the detailed table to compare month by month, then open the page of the month that interests you.

Compare the 12 months By your project

How we calculate the score

The score combines 4 weighted criteria using 10 years of real climate data (ERA5).

Source : ERA5 · Open-Meteo · 10 years (2016–2025) · Full methodology →

Understand

Compare all 12 months

Month-by-month details: temperature, rain, sunshine, score and verdict.

✅ 6 comfortable months (May · Jun · Jul · Aug · Sep · Oct)
MonthT° minT° maxRain %mm/daySunScoreVerdict
🌥️ January →43°F54°F37%4.6mm2.6h4.0/10Decent period
🌥️ February →43°F59°F34%3.8mm3.4h4.2/10Decent period
🌥️ March →45°F61°F37%3.4mm4.4h4.3/10Decent period
🌥️ April →48°F63°F32%2.9mm4.8h4.4/10Decent period
⛅ May →52°F66°F31%2.6mm5.7h7.2/10Best period
☀️ June →59°F73°F28%2.3mm6.0h7.8/10Best period
☀️ July →63°F75°F21%1.5mm6.0h8.1/10Best period
☀️ August →63°F77°F21%1.6mm5.9h8.2/10Best period
☀️ September →59°F75°F28%2.6mm5.4h7.9/10Best period
⛅ October →55°F70°F30%3.2mm4.2h7.4/10Best period
🌥️ November →48°F61°F41%5.5mm2.8h4.1/10Decent period
🌥️ December →45°F57°F35%4.1mm2.6h4.0/10Decent period
🌥️ January
4.0/10
T°43°F / 54°F
Rain %37%
Sun2.6h
Decent period
🌥️ February
4.2/10
T°43°F / 59°F
Rain %34%
Sun3.4h
Decent period
🌥️ March
4.3/10
T°45°F / 61°F
Rain %37%
Sun4.4h
Decent period
🌥️ April
4.4/10
T°48°F / 63°F
Rain %32%
Sun4.8h
Decent period
⛅ May
7.2/10
T°52°F / 66°F
Rain %31%
Sun5.7h
Best period
☀️ June
7.8/10
T°59°F / 73°F
Rain %28%
Sun6.0h
Best period
☀️ July
8.1/10
T°63°F / 75°F
Rain %21%
Sun6.0h
Best period
☀️ August
8.2/10
T°63°F / 77°F
Rain %21%
Sun5.9h
Best period
☀️ September
7.9/10
T°59°F / 75°F
Rain %28%
Sun5.4h
Best period
⛅ October
7.4/10
T°55°F / 70°F
Rain %30%
Sun4.2h
Best period
🌥️ November
4.1/10
T°48°F / 61°F
Rain %41%
Sun2.8h
Decent period
🌥️ December
4.0/10
T°45°F / 57°F
Rain %35%
Sun2.6h
Decent period
📊 Quick read
Optimal window
May → Oct
Good transition
Apr · Nov
Tough period
none
🌡️ Detailed conditions (August)
🌡️ Feel
Comfortable
☀️ UV
6.0 · Moderate-Strong
💧 Humidity feel
62°F · Pleasant
☔ Rain
21% · 1.6 mm/day
🌅 Sunshine
5.9h/day
Week by week

Bilbao week by week: your odds of avoiding rain

For each week of the year: in how many years out of 10 it was mostly dry (at most 2 rainy days), 2016 to 2025.

Safest week: Aug 20 to Aug 26, mostly dry in 10 years out of 10 (0.8 rainy day(s) on average).

Most exposed: Feb 26 to Mar 4, mostly dry in 3 years out of 10 (3.3 rainy days on average).

Number = years out of 10 with at most 2 rainy days in the week. Source: ERA5 reanalysis (ECMWF) via Open-Meteo, daily data 2016-2025. Rainy day = at least 1 mm, as everywhere on the site.
JanJan 15/1054°FJan 85/1053°FJan 154/1053°FJan 225/1056°FJan 296/1057°F
FebFeb 55/1056°FFeb 128/1061°FFeb 197/1060°FFeb 263/1057°F
MarMar 56/1060°FMar 123/1059°FMar 197/1060°FMar 265/1063°F
AprApr 27/1063°FApr 95/1064°FApr 165/1064°FApr 235/1064°FApr 306/1066°F
MayMay 74/1067°FMay 145/1067°FMay 217/1069°FMay 288/1073°F
JunJun 48/1071°FJun 116/1073°FJun 187/1077°FJun 259/1074°F
JulJul 29/1075°FJul 97/1076°FJul 169/1079°FJul 238/1077°FJul 307/1078°F
AugAug 69/1080°FAug 137/1078°FAug 2010/1080°FAug 276/1077°F
SepSep 38/1078°FSep 107/1077°FSep 177/1074°FSep 248/1073°F
OctOct 16/1071°FOct 87/1072°FOct 155/1072°FOct 226/1068°FOct 295/1067°F
NovNov 55/1062°FNov 126/1062°FNov 194/1058°FNov 265/1057°F
DecDec 34/1056°FDec 104/1058°FDec 176/1058°FDec 248/1057°F

A specific date? The app computes the same figure day by day.

10-year trend

Annual temperatures — Bilbao

Min/max temperature curves observed over the past 10 years (ERA5). Shows climate stability and trend.

T° maxT° meanT° min46°50°54°57°61°64°68°72°201620172018201920202021202220232024202569°F — decade peak (2022)+2.03°F / decade
Tailor

For your trip

A few angles depending on what kind of trip you are planning.

🏖️ Beaches: Jun-Sept🌊 Swell: Sept-Mar🚤 Water activities
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🏨
Stay
Hotels & rentals · Bilbao
Expedia →
🎟️
Activities
Tours, tickets, experiences
See ↓
✈️
Flights
Multi-airline comparator
Kiwi →

🎟️ Activities & tours · Bilbao

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach trip.

Country · Spain

🗣️LanguageSpanish
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘ+2.03°F/decade
🔥Hottest monthAugust · 77°F
❄️Coolest monthJanuary · 54°F
🌧️Rainiest month ⓘNovember · 41%

🏖️ Beach trip

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Explore

Related destinations & guides

If this destination doesn't fit your dates, here are alternatives and guides.

Similar climate destinations

Bordeaux · France→Dordogne · France→Montenegro · Montenegro→Kotor · Montenegro→

Nearby destinations

San Sebastián · Spain48 mi →Biarritz · France70 mi →French Basque Country · France82 mi →Baqueira-Beret · Spain199 mi →

Guides & rankings

World ranking 2026See →
Best summer destinationsSee →
Winter sunSee →
Where to go in JulySee →
Location

Where is Bilbao ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Temperate oceanic climate with a 8.2 → 4.0 gap between best and worst month. 10 years of ERA5 data to choose by project.
43.26°N · 2.93°W
Questions

Frequently asked questions

What is the best time to visit Bilbao?
July is the best month with 75°F highs, 63°F lows, 6.0h of sunshine and 21.0% rainy days. The months of July & August offer comparable conditions.
How many hours of sunshine does Bilbao get in July?
Bilbao averages 6.0 sunshine hours per day in July. It is the sunniest month with a climate score of 7.6/10.
What is the rainiest month in Bilbao?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Bilbao in July?
In July, overnight lows reach 63°F, while afternoon highs average 75°F.
Is Bilbao good in winter?
In winter (December-February), Bilbao scores 4.0/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 7.6/10.
When should you avoid Bilbao?
January is the most difficult month to visit Bilbao, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.