Cancún weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Good
Best time to visit: July, November – May
What is the weather like in Cancún in October?
In October, Cancún is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 28.9 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 20 days, totalling 181 mm. The air is often humid and muggy. All in all, October is a good month for a holiday in Cancún.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 73 | 70 | 79 |
| Day | 29° | 28° | 27° |
| Night | 26° | 25° | 24° |
| Sea | 29° | 29° | 28° |
| Sun | 7 h | 6 h | 6 h |
| Rain days | 24 | 20 | 12 |
More details for October
- Daylight
- 11 h 42 min06:42 – 18:24
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 29 daysdew point 18 °C or more
- Wind
- 18 km/haverage daily peak
- Cloud cover
- 57 %on average
- Hot days
- 2 days30 °C or more
- Time zone
- UTC−5America/Cancun
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %48 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Cancún in October: quick answers
Is Cancún hot in October?
Yes. In October, Cancún is hot: daytime highs average 28 °C and nights stay around 25 °C. On about 2 days the thermometer climbs to 30 °C or more.
Can you swim in Cancún in October?
Yes. In October the sea averages 28.9 °C – lovely and warm for swimming.
Does it rain much in Cancún in October?
It rains often – on about 20 days, adding up to 181 mm.
Cancún month by month
The whole year in CancúnAll destinations: MexicoWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)