Cool
Average highs are around 18°C, so pack for cooler days.
December verdict
El Hierro, Spain in December
Weather score50Mixed
Mixed for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 5.5h per day, enough for a balanced month. Rainfall averages 74mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
18°C
Rain
74mm
Sun
5.5h
Sea
21°C
Weather score
50
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 74mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 21°C, so the water can feel cool.
Map
Weather map
Compare El Hierro, Spain with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December18°C average high
December is on the cooler side of El Hierro's year, useful if you prefer less intense daytime heat.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
December74mm average rain
December is one of El Hierro's wettest months, so rain is likely to be a major planning factor.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December5.5 hours average sun
December is one of El Hierro'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
December21°C average sea
December is close to El Hierro's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaAugust to October
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
Weather score
December50 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.
