Transit Desk

Climate

Weather in Costa Rica in August

Weather in Costa Rica, August
In August, Costa Rica sees average highs of 24.9°C (77°F) and lows of 16.5°C (62°F), with around 441 mm of rain.

Costa Rica — August

Costa Rica August
Daytime high
24.9°C (77°F)
Overnight low
16.5°C (62°F)
Rainfall
441 mm
Best-time rank
Off-peak

How August compares

Costa Rica, August vs. the annual average (2025)
This month24.9°C (77°F) / 16.5°C (62°F) · 441 mm
Yearly average25.3°C (78°F) / 16.4°C (62°F) · 271 mm

August in Costa Rica runs about average for the year, and is wetter than the yearly average. Pack layers you can adjust through the day — mild conditions, and something waterproof — this is a wetter month.

Common questions

What is the weather like in Costa Rica in August?

Average highs of 24.9°C (77°F) and lows of 16.5°C (62°F), with around 441 mm of rain.

Is August a good time to visit Costa Rica?

It is an off-peak month for comfort in Costa Rica; January, February, March tend to be more pleasant.

Updated climate normals, 2025