August Weather in Costa Rica

Last updated: March 2, 2024

The weather in Costa Rica, Peru, during August is characterized by an average temperature of 25°C (77°F). Highs can soar to 34°C (93°F), while lows may dip to 17°C (62°F). Typically, the humidity level in Costa Rica throughout August hovers around 37%.

17°C (62°F)

Minimum temperature

25°C (77°F)

Average temperature

34°C (93°F)

Maximum temperature

37%

Humidity

Precipitation and Sunshine hours

In August, Costa Rica averages 61 mm (2.4 inches) of rainfall, typically over the course of 7 rainy days. The month enjoys an average of 11 hours 52 minutes of daylight, with the sun shining for approximately 10 hours 11 minutes each day. Additionally, there is a 52% probability of sunny days during this period.

61 mm (2.4 inches)

Precipitation

7 rainy days

Rainy days

10 hours 11 minutes

Sunshine hours

52%

Chance of sun

UV Index

In August, the UV Index in Costa Rica reaches a maximum of 12, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 2 5 8 11 12 11 9 5 3 1 0 0
Exposure Low Moderate VeryHigh Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 30 min 45 min

Compare Costa Rica's Climate with Cities Worldwide