Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
December verdict
La Fortuna, Costa Rica in December
Weather score60Good
Good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 5.4h per day, enough for a balanced month. Rainfall averages 271mm, so showers are a real planning factor.
December weather
Monthly averages
Temp
29°C
Rain
271mm
Sun
5.4h
Sea
28°C
Weather score
60
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 271mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare La Fortuna, Costa Rica with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December29°C average high
December is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsMarch to April
This stretch sets the upper range for average daytime heat.
Rain
December271mm average rain
December sits near La Fortuna's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December5.4 hours average sun
December is one of La Fortuna's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsFebruary to May
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December28°C average sea
December is part of a consistently warm sea-temperature pattern, so swimming comfort changes little through the year.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
December60 weather score
December scores below La Fortuna's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to April
These months have the strongest weather score in the monthly averages.
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