Cancún weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Excellent
Best time to visit: July, November – May
What is the weather like in Cancún in January?
In January, Cancún is warm: daytime highs average 25 °C, and even at night it stays warm at around 22 °C. The sea averages 26.6 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 50 mm in total. The air is often humid and muggy. All in all, January is an excellent month for a holiday in Cancún.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 83 | 83 | 90 |
| Day | 26° | 25° | 26° |
| Night | 23° | 22° | 23° |
| Sea | 27° | 27° | 26° |
| Sun | 7 h | 6 h | 8 h |
| Rain days | 11 | 10 | 7 |
More details for January
- Daylight
- 10 h 58 min07:27 – 18:25
- UV index
- 6 · highclear sky, noon (estimate)
- Muggy days
- 19 daysdew point 18 °C or more
- Wind
- 20 km/haverage daily peak
- Cloud cover
- 48 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC−5America/Cancun
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %55 %
- Few rainy daysweight 20 %59 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in January
- Swimwear
- Sunscreen
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Cancún in January: quick answers
Is Cancún hot in January?
Warm rather than hot: in January, daytime highs in Cancún average 25 °C and nights cool to about 22 °C.
Can you swim in Cancún in January?
Yes. In January the sea averages 26.6 °C – lovely and warm for swimming.
Does it rain much in Cancún in January?
Rain is frequent, with about 10 rainy days and 50 mm in total.
Cancún month by month
The whole year in CancúnAll destinations: Mexico
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)