Cool
Average highs are around 13°C, so pack for cooler days.
December verdict
Poor for holiday weather
Average highs are around 13°C, so pack for cooler days. Sunshine averages 3h per day, so this is not one of the brighter months. Rainfall averages 95mm, so some wet days are possible.

Monthly averages
Temp
13°C
Rain
95mm
Sun
3h
Sea
14°C
Weather score
17
Poor
Cool
Average highs are around 13°C, so pack for cooler days.
Showers
Rainfall averages 95mm, so some wet days are possible.
Limited sun
Sunshine averages 3h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Compare Gijon, Spain with nearby places by weather score, rain, sun, temperature, and swim conditions.
December13°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
December95mm average rain
December 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.
December3 hours average sun
December is one of Gijon's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
December14°C average sea
December 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.
December17 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJuly to September
These months have the strongest weather score in the monthly averages.