Cancún weather in January
January in Cancún: warm, a little rain, with clean air — an excellent time to visit.
#5 of 12 months in Cancún · #110 of 604 destinations to visit in January · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Cancún climate normals — January
| Daytime high | 26°C / 79°F | 🌤 warm |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 55 mm / 2.2 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 19°C / 66°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 11 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Cancún in January — FAQ
- Is January a good time to visit Cancún?
- January in Cancún: warm, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Cancún on SeasonMap's comfort score (84/100).
- What is the weather like in Cancún in January?
- In January, Cancún averages a daily high of 26°C and a low of 22.9°C, with about 54.7 mm of rain over roughly 11.6 rainy days.
- What is the air quality in Cancún in January?
- Cancún has a mean US Air Quality Index of about 44 in January.