La Fortuna weather in May
May in La Fortuna: hot, soaked, with clean air — a good time to visit.
#6 of 12 months in La Fortuna · #523 of 604 destinations to visit in May · comfort 61/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
La Fortuna climate normals — May
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 22°C / 71°F | |
| Feels like (high) | 33°C / 91°F | |
| Rainfall | 237 mm / 9.3 in | ⛈ soaked |
| Rainy days | 23 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 22°C / 72°F | |
| Sunshine | 8.5 h/day | |
| Daylight | 12.6 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is La Fortuna?
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La Fortuna in May — FAQ
- Is May a good time to visit La Fortuna?
- May in La Fortuna: hot, soaked, with clean air — a good time to visit. It ranks #6 of 12 months for La Fortuna on SeasonMap's comfort score (61/100).
- What is the weather like in La Fortuna in May?
- In May, La Fortuna averages a daily high of 28.2°C and a low of 21.8°C, with about 236.7 mm of rain over roughly 23 rainy days.
- What is the air quality in La Fortuna in May?
- La Fortuna has a mean US Air Quality Index of about 32 in May.