Puerto Viejo weather in August
August in Puerto Viejo: warm, soaked, with clean air — fine if you can take 29 rainy days.
#10 of 12 months in Puerto Viejo · #685 of 897 destinations to visit in August · comfort 66/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Puerto Viejo in August
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Puerto Viejo climate normals — August
| Daytime high | 28°C / 82°F | 🌤 warm |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Rainfall | 379 mm / 14.9 in | ⛈ soaked |
| Rainy days | 29 days | |
| Humidity | 87% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 8.1 h/day | |
| Daylight | 12.4 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 28 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Puerto Viejo in August — FAQ
- Is August a good time to visit Puerto Viejo?
- August in Puerto Viejo: warm, soaked, with clean air — fine if you can take 29 rainy days. It ranks #10 of 12 months for Puerto Viejo on SeasonMap's comfort score (66/100).
- What is the weather like in Puerto Viejo in August?
- In August, Puerto Viejo averages a daily high of 27.9°C and a low of 22.8°C, with about 378.7 mm of rain over roughly 29.2 rainy days.
- What is the air quality in Puerto Viejo in August?
- Puerto Viejo has a mean US Air Quality Index of about 28 in August.