Tulum weather in December
December in Tulum: hot, a little rain, with clean air — an excellent time to visit.
#7 of 12 months in Tulum · #118 of 604 destinations to visit in December · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Tulum climate normals — December
| Daytime high | 27°C / 80°F | 🥵 hot |
|---|---|---|
| Nighttime low | 23°C / 74°F | |
| Feels like (high) | 29°C / 84°F | |
| Rainfall | 69 mm / 2.7 in | 🌦 some rain |
| Rainy days | 15 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 21°C / 69°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 10.9 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 28 | 🍃 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 December — FAQ
- Is December a good time to visit Tulum?
- December in Tulum: hot, a little rain, with clean air — an excellent time to visit. It ranks #7 of 12 months for Tulum on SeasonMap's comfort score (83/100).
- What is the weather like in Tulum in December?
- In December, Tulum averages a daily high of 26.9°C and a low of 23.2°C, with about 68.9 mm of rain over roughly 14.6 rainy days.
- What is the air quality in Tulum in December?
- Tulum has a mean US Air Quality Index of about 28 in December.