Puerto Viejo weather in May
May in Puerto Viejo: warm, soaked, with clean air — fine if you can take 28 rainy days.
#7 of 12 months in Puerto Viejo · #744 of 897 destinations to visit in May · comfort 68/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Puerto Viejo in May
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Puerto Viejo climate normals — May
| Daytime high | 28°C / 82°F | 🌤 warm |
|---|---|---|
| Nighttime low | 23°C / 74°F | |
| Rainfall | 372 mm / 14.7 in | ⛈ soaked |
| Rainy days | 28 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 8.3 h/day | |
| Daylight | 12.6 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Puerto Viejo in May — FAQ
- Is May a good time to visit Puerto Viejo?
- May in Puerto Viejo: warm, soaked, with clean air — fine if you can take 28 rainy days. It ranks #7 of 12 months for Puerto Viejo on SeasonMap's comfort score (68/100).
- What is the weather like in Puerto Viejo in May?
- In May, Puerto Viejo averages a daily high of 27.9°C and a low of 23.2°C, with about 372.3 mm of rain over roughly 27.6 rainy days.
- What is the air quality in Puerto Viejo in May?
- Puerto Viejo has a mean US Air Quality Index of about 32 in May.