June verdict

Costa Rica in June

Weather score50Mixed

Mixed for holiday weather

Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 5.4h per day, enough for a balanced month. Rainfall averages 309mm, so showers are a real planning factor.

Guanacaste, Guanacaste, Costa Rica, Costa Rica travel weather guide
Photo by Sterling Lanier on Unsplash

June weather

Monthly averages

Temp

29°C

Rain

309mm

Sun

5.4h

Sea

20°C

Weather score

50

Mixed

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Warm

Average highs sit around 29°C, giving warm days by monthly-average standards.

Wet

Rainfall averages 309mm, so showers are a real planning factor.

Some sun

Sunshine averages 5.4h 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

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June29°C average high

June 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.

June309mm average rain

June is wetter than Costa Rica's yearly average, so flexible plans matter more.

Driest monthsJanuary to April and December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

June5.4 hours average sun

June 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

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June20°C average sea

June 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

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June50 weather score

June 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 April and December

These months have the strongest weather score in the monthly averages.

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