Ispaster, Spain in May has mild conditions, with highs averaging 16.2°C (61°F) and noticeably cooler mornings. Rain falls on about 15 days this month, totalling around 91 mm. Sea temperature stays cool at 16.9°C (62°F).
This month falls at the end of Spring.
Daily highs in May gradually rise from around 15°C (59°F) at the start to 18°C (65°F) by month's end.
Rainfall is heaviest during the middle of the month, while the last third tends to be drier.
Expect around 10.8h of sunshine at the start of May, increasing to 11.7h by the end.
Wind speeds ease off through the month, from 18 km/h (11 mph) to 14 km/h (9 mph).
The warmest days tend to fall around the 30th, averaging 18.6°C (65°F).