August weather forecast and climate
Jaco, Costa Rica

What is the temperature in August in Jaco?

In Jaco, in August, the average high-temperature is 30°C (86°F), and the average low-temperature is 23°C (73.4°F).

How many days does it rain in August in Jaco?

In Jaco, during August, the rain falls for 22 days and regularly aggregates up to 372mm (14.6") of precipitation.

How warm is the water in August in Jaco?

In Jaco, Costa Rica, in August, the average water temperature is 29°C (84.2°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
Average temperature in August - Jaco, Costa Rica
  • Average high temperature in August: 30°C

Warmest months (with the highest average high temperature) are March and April (32°C).
Months with the lowest average high temperature are September, October, November and December (29°C).

  • Average low temperature in August: 23°C

Months with the highest average low temperature are March, April and May (24°C).
Coldest months (with the lowest average low temperature) are September, October, November and December (22°C).

Average rainfall in August - Jaco, Costa Rica
  • Average rainfall in August: 372mm

The wettest month (with the highest rainfall) is October (503mm).
The driest month (with the lowest rainfall) is January (0mm).

Average rainfall days in August - Jaco, Costa Rica
  • Average rainfall days in August: 22 days

Months with the highest number of rainy days are June, August and September (22 days).
Months with the lowest number of rainy days are February and March (7 days).

Average sea temperature in August - Jaco, Costa Rica
  • Average sea temperature in August: 29°C

The best month for swimming (with the highest average sea temperature) is March (29.4°C).
The coldest month (with the lowest average sea temperature) is November (27.8°C).

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

The month with the longest days is June (Average daylight: 12.7h).
Months with shortest days are January and December (Average daylight: 11.6h).

  • Average sunshine in August: 6h

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

Average UV index in August - Jaco, 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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