Bilbao weather by month & the best time to visit
🇪🇸 Spain · coastal city break · Mediterranean climate
The best time to visit Bilbao is July — its sunniest month (Sunshine Score 84/100), with August and September close behind. Bilbao averages about 1,988 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 35 mm of rain in July.
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- Sun hours / year
- 1,988
- Sunniest month
- July
- Peak score
- 84/100
- Rain / year
- 1,003 mm
- Midday UV at peak
- 7 (high)
- Sea at warmest
- 22°C / 72°F
- Population
- 876k
- Elevation
- 39 m

When is the best time to visit Bilbao?
For sunshine, the best time to visit Bilbao is July, then August and September. The dullest month is January (22/100, 126 mm of rain). The full month-by-month picture is in the table below.
How sunny is Bilbao?
Bilbao gets a moderate 1,988 hours of sunshine a year. 62 Sunshine Score points separate July (84) from January (22), so the month you pick matters. It ranks #39 of 40 destinations in Spain for annual sunshine, below the national median of 2,914 hours. The year's 1,003 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 22 | 12° / 54°F | 9° / 48°F | 126 mm | 1 | 14° / 57°F |
| February | 24 | 12° / 54°F | 8° / 46°F | 98 mm | 2 | 14° / 57°F |
| March | 37 | 14° / 57°F | 10° / 50°F | 94 mm | 3 | 14° / 57°F |
| April | 44 | 15° / 59°F | 11° / 52°F | 80 mm | 4 | 15° / 59°F |
| May | 65 | 18° / 64°F | 13° / 55°F | 64 mm | 6 | 16° / 61°F |
| June | 80 | 21° / 70°F | 16° / 61°F | 56 mm | 6 | 19° / 66°F |
| July | 84 | 23° / 73°F | 19° / 66°F | 35 mm | 7 | 21° / 70°F |
| August | 84 | 24° / 75°F | 19° / 66°F | 36 mm | 6 | 22° / 72°F |
| September | 81 | 22° / 72°F | 18° / 64°F | 53 mm | 5 | 21° / 70°F |
| October | 73 | 20° / 68°F | 15° / 59°F | 95 mm | 3 | 19° / 66°F |
| November | 37 | 15° / 59°F | 12° / 54°F | 146 mm | 1 | 17° / 63°F |
| December | 28 | 13° / 55°F | 9° / 48°F | 120 mm | 1 | 15° / 59°F |
Sea temperature in Bilbao by month
The sea off Bilbao is warmest in August at around 22°C / 72°F, and coolest in January at 14°C / 57°F. The water sits at a comfortable 21°C or warmer roughly 3 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Bilbao on the interactive sunshine globe →
Nearby places for sunshine
- Vitoria-Gasteiz Spain · 49 km · best in Jul · 2,314 h sun/yr
- Santander Spain · 75 km · best in Jul · 1,954 h sun/yr
- San Sebastián Spain · 91 km · best in Jul · 2,077 h sun/yr
- Biarritz France · 114 km · best in Jul · 2,077 h sun/yr
- Pau/Pyrénées (Uzein) France · 202 km · best in Jul · 2,105 h sun/yr
- Tarbes/Lourdes/Pyrénées France · 236 km · best in Aug · 2,105 h sun/yr
Nearest destinations
- Pamplona Spain · 119 km · 2,545 h sun/yr · best in Jul
Head-to-head
How Bilbao compares month by month: Bilbao vs San Sebastián · Bilbao vs Vitoria-Gasteiz · Bilbao vs Santander · Bilbao vs Biarritz · all comparisons
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