Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
Weather Guide
Cocos Island National Park, Costa Rica Average Monthly Weather
Weather score58Good annual avg
Best months: February, March, January
Across the year, average daytime temperatures are around 29°C, sunshine averages 0h per day, and rainfall totals about 2730mm. Sea temperatures average 28°C across the year.
Annual weather
Annual averages
Temp
29°C
Rain
2730mm
Annual total
Sun
0h
Sea
28°C
Weather score
58
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 295mm, so showers are a real planning factor.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Cocos Island National Park, Costa Rica with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August28°C average high
August is close to Cocos Island 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
August295mm average rain
August is wetter than Cocos Island National Park's yearly average, so flexible plans matter more.
Driest monthsJanuary to March and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August0 hours average sun
August is close to Cocos Island National Park's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
August28°C average sea
August is below Cocos Island National Park's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaFebruary to May
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
August49 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March and November to December
These months have the strongest weather score in the monthly averages.