Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
December verdict
Very good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 6.6h per day, enough for a balanced month. Rainfall averages 17mm, which is relatively low for holiday planning.
Monthly averages
Temp
29°C
Rain
17mm
Sun
6.6h
Sea
24°C
Weather score
81
Very good
Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 17mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.6h per day, enough for a balanced month.
Swimmable
Sea temperatures average 24°C, which can work for swimming but may feel fresh.
Map
Compare El Salvador with nearby places by weather score, rain, sun, temperature, and swim conditions.
December29°C average high
December is on the cooler side of El Salvador's year, useful if you prefer less intense daytime heat.
Warmest monthsFebruary to May
This stretch sets the upper range for average daytime heat.
December17mm average rain
December is one of El Salvador's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December6.6 hours average sun
December is brighter than El Salvador's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJanuary to May and December
This stretch has the strongest sunshine in the monthly averages.
December24°C average sea
December is below El Salvador's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaApril to November
Sea temperatures are usually near 24°C in this stretch, so swimming comfort is at its strongest.
December81 weather score
December scores above El Salvador's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to April and December
These months have the strongest weather score in the monthly averages.