The temperatures in Santillana del Mar in May are usually low and can range between 11°C and 16°C.
You can expect about 3 to 8 days of rain in Santillana del Mar during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Santillana del Mar in May 2026.
If you’re planning to visit Santillana del Mar in the near future, we highly recommend that you review the 14 day weather forecast for Santillana del Mar before you arrive.
Temperatures
16° / 11°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
82
mm
Sun Hours
10.4
Hrs
