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Playa Hermosa Weather in August
August in Playa Hermosa brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 25°C (77°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in Playa Hermosa in August
As part of the rainy season, Playa Hermosa sees around 21 days of rain in August, with an average of 182 mm (7.2 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Playa Hermosa in August
In August, Playa Hermosa gets very high temperatures, with highs of 31°C (88°F). Nights cool to around 25°C (77°F). It's usually most comfortable outside during the morning and later in the day. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Playa Hermosa in August
The city usually sees around 183 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Playa Hermosa. Our weather planner can help you explore destinations with more pleasant weather conditions.
Playa Hermosa Temperature in August
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Chance of Rain
70%
Precipitation
182 mm (7.2 in)
Rainy days
21 days
Humidity
81% *
Sunshine
183 hours *
Percentage Sunshine
*
* Data from: Liberia, Costa Rica (27 KM, 17 Miles).
Playa Hermosa Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Playa Hermosa - and find the best time to visit.
Daily Historical Temperatures
40-year average (1976-2025)
Based on our historical records, temperatures in Playa Hermosa 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 Hermosa in August
Browse day-by-day weather records for Playa Hermosa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Playa Hermosa historical weather extremes in August
Based on 26 years of weather observations (2000-2026), these are the most extreme conditions recorded in Playa Hermosa.
- The warmest day in August was on August 4, 2026, with a maximum of 38°C (100°F).
- The lowest daytime temperature in August was 26°C (79°F), recorded on August 26, 2020.
- Playa Hermosa registered its coldest August night on August 15, 2018, with temperatures dropping to 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 Hermosa in August
Warm but pleasant conditions in Playa Hermosa in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Playa Hermosa 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 Hermosa 3-Day Forecast
More climate data for Playa Hermosa
Temperature Rainfall Sunshine Humidity
See the full Playa Hermosa 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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