Manuel Antonio weather in May
May in Manuel Antonio: warm, soaked, with clean air — fine if you can take 30 rainy days.
#6 of 12 months in Manuel Antonio · #752 of 897 destinations to visit in May · comfort 67/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Manuel Antonio in May
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Manuel Antonio climate normals — May
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Rainfall | 661 mm / 26 in | ⛈ soaked |
| Rainy days | 30 days | |
| Humidity | 91% | 💦 very humid |
| Dew point | 24°C / 74°F | |
| Sunshine | 7.9 h/day | |
| Daylight | 12.6 h | |
| Wind | 9 km/h / 6 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Manuel Antonio in May — FAQ
- Is May a good time to visit Manuel Antonio?
- May in Manuel Antonio: warm, soaked, with clean air — fine if you can take 30 rainy days. It ranks #6 of 12 months for Manuel Antonio on SeasonMap's comfort score (67/100).
- What is the weather like in Manuel Antonio in May?
- In May, Manuel Antonio averages a daily high of 27°C and a low of 22.3°C, with about 661.3 mm of rain over roughly 30.4 rainy days.
- What is the air quality in Manuel Antonio in May?
- Manuel Antonio has a mean US Air Quality Index of about 37 in May.