Tulum weather in May
May in Tulum: sweltering, a little rain, with clean air — an excellent time to visit.
#5 of 12 months in Tulum · #187 of 604 destinations to visit in May · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Tulum climate normals — May
| Daytime high | 30°C / 85°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 34°C / 93°F | |
| Rainfall | 79 mm / 3.1 in | 🌦 some rain |
| Rainy days | 14 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 11.5 h/day | |
| Daylight | 13.1 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Tulum?
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Tulum in May — FAQ
- Is May a good time to visit Tulum?
- May in Tulum: sweltering, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Tulum on SeasonMap's comfort score (86/100).
- What is the weather like in Tulum in May?
- In May, Tulum averages a daily high of 29.6°C and a low of 25.8°C, with about 79.2 mm of rain over roughly 14.2 rainy days.
- What is the air quality in Tulum in May?
- Tulum has a mean US Air Quality Index of about 37 in May.