Cool
Average highs are around 15°C, so pack for cooler days.
December verdict
Aveiro, Portugal in December
Weather score18Poor
Poor for holiday weather
Average highs are around 15°C, so pack for cooler days. Sunshine averages 4h per day, so this is not one of the brighter months. Rainfall averages 145mm, so some wet days are possible.
December weather
Monthly averages
Temp
15°C
Rain
145mm
Sun
4h
Sea
15°C
Weather score
18
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 145mm, so some wet days are possible.
Limited sun
Sunshine averages 4h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Weather map
Compare Aveiro, Portugal with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December15°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
December145mm average rain
December is one of Aveiro's wettest months, so rain is likely to be a major planning factor.
Driest monthsJune to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December4 hours average sun
December is one of Aveiro's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December15°C average sea
December is below Aveiro's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJune to October
Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.
Weather score
December18 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 monthsJune to September
These months have the strongest weather score in the monthly averages.
Hotels near Aveiro, Portugal
Marriott
Forte de Gaia, Autograph CollectionVila Nova de Gaia, Portugal
Origine Porto Gaia, a Tribute Portfolio HotelVila Nova de Gaia, Portugal
Renaissance Porto Lapa HotelPorto, Portugal
Sheraton Porto Hotel & SpaPorto, Portugal
AC Hotel PortoPorto, Portugal
Four Points by Sheraton MatosinhosMatosinhos, Portugal