Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
March verdict
Costa Rica in March
Weather score74Very good
Very good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 6.9h per day, enough for a balanced month. Rainfall averages 54mm, which is relatively low for holiday planning.
March weather
Monthly averages
Temp
30°C
Rain
54mm
Sun
6.9h
Sea
20°C
Weather score
74
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 54mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.9h 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
March30°C average high
March 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
March54mm average rain
March 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
March6.9 hours average sun
March is one of Costa Rica's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJanuary to April
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
March20°C average sea
March 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
March74 weather score
March 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.
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Marriott
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