Santander weather by month & the best time to visit
Spain · seaside town · Mediterranean climate

The best time to visit Santander is July — its sunniest month (Sunshine Score 84/100), with August and September close behind. Santander averages about 1,954 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 33 mm of rain in July.
When is the best time to visit Santander?
For sunshine, the best time to visit Santander is July, then August and September. The dullest month is January (28/100, 125 mm of rain). The full month-by-month picture is in the table below.
How sunny is Santander?
Santander gets a moderate 1,954 hours of sunshine a year. 56 Sunshine Score points separate July (84) from January (28), so the month you pick matters. It ranks #40 of 40 destinations in Spain for annual sunshine, below the national median of 2,914 hours. The year's 994 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 | 28 | 13° / 55°F | 9° / 48°F | 125 mm | 1 | 14° / 57°F |
| February | 30 | 13° / 55°F | 8° / 46°F | 100 mm | 2 | 14° / 57°F |
| March | 36 | 14° / 57°F | 10° / 50°F | 95 mm | 3 | 14° / 57°F |
| April | 51 | 16° / 61°F | 11° / 52°F | 78 mm | 4 | 14° / 57°F |
| May | 66 | 18° / 64°F | 13° / 55°F | 62 mm | 6 | 16° / 61°F |
| June | 80 | 22° / 72°F | 16° / 61°F | 54 mm | 6 | 19° / 66°F |
| July | 84 | 24° / 75°F | 18° / 64°F | 33 mm | 7 | 21° / 70°F |
| August | 84 | 24° / 75°F | 19° / 66°F | 34 mm | 6 | 23° / 73°F |
| September | 81 | 23° / 73°F | 18° / 64°F | 51 mm | 5 | 21° / 70°F |
| October | 72 | 20° / 68°F | 15° / 59°F | 100 mm | 3 | 18° / 64°F |
| November | 43 | 16° / 61°F | 12° / 54°F | 141 mm | 1 | 17° / 63°F |
| December | 28 | 13° / 55°F | 10° / 50°F | 121 mm | 1 | 15° / 59°F |
Sea temperature in Santander by month
The sea off Santander is warmest in August at around 23°C / 73°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
Head-to-head
How Santander compares month by month: Santander vs Asturias · Santander vs Bilbao · Santander vs San Sebastián · Santander vs Vitoria-Gasteiz · all comparisons
Santander: questions and answers
What kind of destination is Santander?
Santander is a seaside town in Spain with a Mediterranean climate — the sea reaches 23°C at its warmest and is swimmable (21°C+) about 3 months a year.
How many hours of sunshine does Santander get a year?
Santander gets about 1,954 hours of sunshine a year, at its best around July.
When is the best time to visit Santander?
The sunniest time to visit Santander is July, when the Sunshine Score peaks at 84/100 (with August and September close behind). Expect daytime highs around 24°C / 75°F.
What is the least sunny month in Santander?
January is the least sunny month in Santander, scoring 28/100 with about 125 mm of rain.
What is the sea temperature in Santander?
The sea in Santander ranges from about 14°C (January) to 23°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Santander?
The typical midday UV index in Santander 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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