Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
January verdict
Costa Rica in January
Weather score73Very good
Very good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 6.4h per day, enough for a balanced month. Rainfall averages 56mm, which is relatively low for holiday planning.
January weather
Monthly averages
Temp
29°C
Rain
56mm
Sun
6.4h
Sea
20°C
Weather score
73
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 56mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 20°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
January29°C average high
January 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
January56mm average rain
January is one of Costa Rica's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
January6.4 hours average sun
January is brighter than Costa Rica's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJanuary to April
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
January20°C average sea
January 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
January73 weather score
January is one of Costa Rica's best weather-score months, combining the strongest overall balance in the yearly averages.
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
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Residence Inn San Jose EscazuSan Jose, Costa Rica
AC Hotel San Jose EscazuEscazu, San Jose, Costa Rica