When to go · Bilbao
Bilbao in March
Good month. Outside the best window (May–Jun, Sep–Oct). Across Spain: Fallas in Valencia (15–19 Mar) sells out the city; Holy Week falls in late March in 2027.
Key facts
- Verdict
- Good
- Temperature
- 17°C (62°F)62°F (17°C) / 7°C (44°F)44°F (7°C)
- average high / low
- Rain days
- 12
- Crowds
- Medium
- Spain overall
- Prices
- Medium
- Spain overall
Verdict
Outside the best window (May–Jun, Sep–Oct). Across Spain: Fallas in Valencia (15–19 Mar) sells out the city; Holy Week falls in late March in 2027.
Is another month better than March?
March is rated good. These months rate higher:
Weather in March
- BilbaoHighs around 16.6 °C (62 °F), lows around 6.7 °C (44 °F), rain on about 12 daysHighs around 62 °F (16.6 °C), lows around 44 °F (6.7 °C), rain on about 12 days
- Green north, Spain · San Sebastián, Bilbao, Santander, Asturias, Galiciarainy
Atlantic weather: green because it rains. The best escape from summer heat; pack a rain jacket in any month.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Semana Santa big impact
Holy Week — 21–28 Mar 2027 (moves yearly) · Spain
Processions in every town, huge in Seville and Málaga; Maundy Thursday and Good Friday are holidays; rooms and trains sell out.
Crowds and prices
- Crowds · Spain overall
- Medium
- Prices · Spain overall
- Medium
Spain overall: Fallas in Valencia (15–19 Mar) sells out the city; Holy Week falls in late March in 2027.
Compare two months
Weather, crowds and prices for any two months in Bilbao, side by side.
Verdict
Mar: Good
May: Great (better)
Daytime high
Mar: 16.6 °C (62 °F)62 °F (16.6 °C)
May: 21 °C (70 °F)70 °F (21 °C)
Night low
Mar: 6.7 °C (44 °F)44 °F (6.7 °C)
May: 11 °C (52 °F)52 °F (11 °C)
Rain days
Mar: 12
May: 12
Crowds
Mar: Medium
May: Medium
Prices
Mar: Medium
May: Medium
Festivals listed
Mar: 1
May: 0
March: Outside the best window (May–Jun, Sep–Oct). Across Spain: Fallas in Valencia (15–19 Mar) sells out the city; Holy Week falls in late March in 2027.
May: Inside Bilbao's best window: May–Jun, Sep–Oct.
Bilbao: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast