Cool
Average highs are around 17°C, so pack for cooler days.
May verdict
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 5.3h per day, enough for a balanced month. Rainfall averages 87mm, so some wet days are possible.

Monthly averages
Temp
17°C
Rain
87mm
Sun
5.3h
Sea
15°C
Weather score
31
Poor
Cool
Average highs are around 17°C, so pack for cooler days.
Showers
Rainfall averages 87mm, so some wet days are possible.
Some sun
Sunshine averages 5.3h per day, enough for a balanced month.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Compare Gijon, Spain with nearby places by weather score, rain, sun, temperature, and swim conditions.
May17°C average high
May is close to Gijon's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
May87mm average rain
May is wetter than Gijon's yearly average, so flexible plans matter more.
Driest monthsJune to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May5.3 hours average sun
May sits close to Gijon's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
May15°C average sea
May is below Gijon's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
May31 weather score
May scores below Gijon's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to September
These months have the strongest weather score in the monthly averages.