By October the chance to see severe tropical weather decreases along with the temperature in Cancun, Cozumel, and the Mexican Caribbean. October falls within the rainy season here and so vacationers should be aware that they will see rainfall most days, although the showers will be generally short lived with sun following close behind.
Typical Weather in October
October temperatures in Cancun and the Mexican Caribbean range from an average low of 74.0 degrees to an average high of 87.0 degrees
| Monthly Averages | | High | Low | Rainfall (inches) | No. of Days with Rain |
| 87.0° F |
74.0° F |
N.A. |
8.0 |
|
During the early morning hours of an average October day in Cancun and the Mexican Caribbean, you can expect the temperature will be in the vicinity of 73.1 degrees.
The temperature will rise over the course of the typical October day, reaching somewhere around 85.6 degrees by early afternoon.
The temperature in Cancun and the Mexican Caribbean will typically decline by early evening, to approximately 79.5 degrees.
Overall, temperatures in Cancun and the Mexican Caribbean during October average around 80.4 degrees.
| Early Morning | Late Morning | Early Afternoon | Late Afternoon | Early Evening | Overall |
| 73.1° F |
82.3° F |
85.6° F |
84.2° F |
79.5° F |
80.4° F |
|
Rain
During October, rain is most likely to occur around 3:00 PM, and least likely to occur around 9:00 PM.
In Cancun and the Mexican Caribbean during October, thunderstorms -- when they occur -- are most likely sometime around 6:00 AM.
| Percent Frequencies of Hourly Observations | | Hour | Rain and/or Drizzle | Thunder- storms |
| 12:00 AM (midnight) |
2.5 % |
0 % |
| 3:00 AM |
# |
# |
| 6:00 AM |
2.1 % |
0.4 % |
| 9:00 AM |
3.5 % |
0.2 % |
| 12:00 PM (noon) |
3.6 % |
0.2 % |
| 3:00 PM |
4.8 % |
0.2 % |
| 6:00 PM |
3.7 % |
0 % |
| 9:00 PM |
1.9 % |
0 % |
| ALL |
3.4 % |
0.2 % |
|