Cool
Average highs are around 19°C, so pack for cooler days.
December verdict
Chirripo National Park, Costa Rica in December
Weather score44Mixed
Mixed for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 5.7h per day, enough for a balanced month. Rainfall averages 148mm, so some wet days are possible.
December weather
Monthly averages
Temp
19°C
Rain
148mm
Sun
5.7h
Sea
28°C
Weather score
44
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 148mm, so some wet days are possible.
Some sun
Sunshine averages 5.7h 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 Chirripo National Park, Costa Rica with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December19°C average high
December is close to Chirripo National Park's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
December148mm average rain
December sits on the drier side of Chirripo National Park's year, which helps with sightseeing and transfers.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December5.7 hours average sun
December is close to Chirripo National Park's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsJanuary to June
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December28°C average sea
December is below Chirripo National Park's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJanuary to September
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
December44 weather score
December sits close to Chirripo National Park's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to March
These months have the strongest weather score in the monthly averages.
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