August weather forecast and climate
Tamarindo, Costa Rica

A bird
A bird's eye view of the Coastal Tamarindo in Costa Rica with clear waters and white sandy beaches

What is the temperature in August in Tamarindo?

The average high-temperature, in August, in Tamarindo, is 31°C (87.8°F), while the average low-temperature is 23°C (73.4°F).

How many days does it rain in August in Tamarindo?

In Tamarindo, Costa Rica, during August, the rain falls for 21 days and regularly aggregates up to 255mm (10") of precipitation.

What is the sea water temperature in August in Tamarindo?

In August, the average sea temperature in Tamarindo is 28°C (82.4°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What are the months with the highest UV index in Tamarindo?

Months with the highest UV index in Tamarindo are February through October, with an average UV index of 12.

What is the average UV index in August in Tamarindo?

The average UV index in August in Tamarindo is 12.
Average temperature in August - Tamarindo, Costa Rica
  • Average high temperature in August: 31°C

Warmest months (with the highest average high temperature) are February, March and April (33°C).
The month with the lowest average high temperature is September (30°C).

  • Average low temperature in August: 23°C

Months with the highest average low temperature are April and May (24°C).
The coldest month (with the lowest average low temperature) is December (22°C).

Average rainfall in August - Tamarindo, Costa Rica
  • Average rainfall in August: 255mm

The wettest month (with the highest rainfall) is October (362mm).
The driest month (with the lowest rainfall) is February (2mm).

Average rainfall days in August - Tamarindo, Costa Rica
  • Average rainfall days in August: 21 days

The month with the highest number of rainy days is September (23 days).
Months with the lowest number of rainy days are February and March (5 days).

Average sea temperature in August - Tamarindo, Costa Rica
  • Average sea temperature in August: 28°C

Best months for swimming (with the highest average sea temperature) are May and June (29°C).
Coldest months (with the lowest average sea temperature) are January, February, March and December (27°C).

Average daylight in August / Average sunshine in August - Tamarindo, Costa Rica
  • Average daylight in August: 12.4h

Months with the longest days are June and July (Average daylight: 12.7h).
The month with shortest days is December (Average daylight: 11.5h).

  • Average sunshine in August: 5h

Months with most sunshine are January, February, March and April (Average sunshine: 8h).
Months with least sunshine are June, August, September and October (Average sunshine: 5).

Average UV index in August - Tamarindo, Costa Rica
  • Average UV index in August: 12

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).

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