Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
December verdict
Costa Rica in December
Weather score67Good
Good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 5.6h per day, enough for a balanced month. Rainfall averages 96mm, so some wet days are possible.
December weather
Monthly averages
Temp
28°C
Rain
96mm
Sun
5.6h
Sea
19°C
Weather score
67
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 96mm, so some wet days are possible.
Some sun
Sunshine averages 5.6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 19°C, so the water can feel cool.
Map
Weather map
Compare Costa Rica with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December28°C average high
December is close to Costa Rica's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
December96mm average rain
December sits on the drier side of Costa Rica'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
December5.6 hours average sun
December is below Costa Rica's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to April
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December19°C average sea
December is close to Costa Rica's usual sea temperature, with limited seasonal change in the water.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
December67 weather score
December scores above Costa Rica'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.
Hotels near Costa Rica
Marriott
Los Suenos Marriott Ocean & Golf ResortHerradura, Costa Rica
Marriott Vacation Club at Los SueñosHerradura, Costa Rica
Santa Lucia Jungle Hacienda, Autograph CollectionTarcoles, Puntarenas, Costa Rica
Four Points by Sheraton San Jose Costa RicaSan Jose, Costa Rica
Residence Inn San Jose EscazuSan Jose, Costa Rica
AC Hotel San Jose EscazuEscazu, San Jose, Costa Rica