El Tunco weather in May
May in El Tunco: sweltering, soaked, with very humid — a great time to visit.
#8 of 12 months in El Tunco · #432 of 604 destinations to visit in May · comfort 73/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
El Tunco climate normals — May
| Daytime high | 31°C / 87°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 238 mm / 9.4 in | ⛈ soaked |
| Rainy days | 23 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 12.8 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 76 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is El Tunco?
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El Tunco in May — FAQ
- Is May a good time to visit El Tunco?
- May in El Tunco: sweltering, soaked, with very humid — a great time to visit. It ranks #8 of 12 months for El Tunco on SeasonMap's comfort score (73/100).
- What is the weather like in El Tunco in May?
- In May, El Tunco averages a daily high of 30.6°C and a low of 24.7°C, with about 237.6 mm of rain over roughly 22.6 rainy days.
- What is the air quality in El Tunco in May?
- El Tunco has a mean US Air Quality Index of about 76 in May.