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.
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.
Nearest destinations
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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
Bilbao: questions and answers
What kind of destination is Bilbao?
Bilbao is a coastal city break in Spain with a Mediterranean climate — the sea reaches 22°C at its warmest and is swimmable (21°C+) about 3 months a year.
How many hours of sunshine does Bilbao get a year?
Bilbao gets about 1,988 hours of sunshine a year, at its best around July.
When is the best time to visit Bilbao?
The sunniest time to visit Bilbao is July, when the Sunshine Score peaks at 84/100 (with August and September close behind). Expect daytime highs around 23°C / 73°F.
What is the least sunny month in Bilbao?
January is the least sunny month in Bilbao, scoring 22/100 with about 126 mm of rain.
What is the sea temperature in Bilbao?
The sea in Bilbao ranges from about 14°C (January) to 22°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Bilbao?
The typical midday UV index in Bilbao peaks around 7 (high) in July, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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