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Playa Avellana Weather in August
In Playa Avellana, August brings very high daytime temperatures around 31°C (88°F), with nights cooling to 25°C (77°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in Playa Avellana in August
As part of the rainy season, Playa Avellana sees around 21 days of rain in August, with an average of 268 mm (11 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Playa Avellana in August
Temperatures in Playa Avellana in August top out at 31°C (88°F) and drop to 25°C (77°F) overnight. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Playa Avellana in August
The month experiences a moderate amount of sunlight, with 183 hours of sunshine. This provides a nice balance between sunshine and rain.August in Playa Avellana can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Playa Avellana Temperature in August
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Chance of Rain
71%
Precipitation
268 mm (11 in)
Rainy days
21 days
Humidity
81% *
Sunshine
183 hours *
Percentage Sunshine
*
* Data from: Liberia, Costa Rica (62 KM, 38 Miles).
Playa Avellana Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Playa Avellana - and find the best time to visit.
Daily Historical Temperatures
40-year average (1976-2025)
Based on our historical records, temperatures in Playa Avellana typically stay consistent throughout August, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in August
Daily Historical Precipitation
40-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather records for Playa Avellana in August
Browse day-by-day weather records for Playa Avellana spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Playa Avellana historical weather extremes in August
Based on weather observations in Playa Avellana between 2000 and 2026, these are the recorded extremes during August.
- The warmest day in August was on August 4, 2026, with a maximum of 38°C (100°F).
- Playa Avellana experienced its chilliest August day on August 12, 2007, reaching only 26°C (79°F).
- The coldest night in August in Playa Avellana was on August 15, 2018, with a minimum of 20°C (68°F).
Best Places in Costa Rica in August
Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Playa Avellana in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Playa Avellana in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Playa Avellana 3-Day Forecast
More climate data for Playa Avellana
Temperature Rainfall Sunshine Humidity
See the full Playa Avellana climate overview or explore weather in Costa Rica.
Popular in August
Where to go in August - average daytime high across popular destinations.
Tamarindo
31°C (88°F) Cahuita29°C (84°F) Santa Teresa29°C (84°F) Herradura28°C (82°F) Puerto Viejo de Talamanca29°C (84°F) Fortuna28°C (82°F) Jacó28°C (82°F) San José24°C (75°F) Bucket list
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