In Cozumel, summers are long, very hot, oppressive, wet, and cloudy. Winters are short, comfortable, muggy, and mostly clear. During the course of the year, the temperature generally ranges from 19 ° C to 32 ° C and rarely drops below 14 ° C or rises above 34 ° C.
Based on the tourism score, the best time of year to visit Cozumel for hot-weather activities is from early December to mid-March.
The hot season lasts 4 and half months, from May 3 to September 18, and the daily average maximum temperature is over 31 ° C. The hottest day of the year is July 31, with an average maximum temperature of 32 ° C and an average minimum temperature of 22 ° C.
The cool season lasts almost 3 months, from December 1 to February 22, and the daily average maximum temperature is less than 28 ° C. The coldest day of the year is February 19, with an average minimum temperature of 19 ° C and an average maximum of 28 ° C.
In Cozumel, the average percentage of the sky covered by clouds varies extremely over the course of the year.
The clearer period in Cozumel begins around November 1; It lasts for 6 and a half months and ends around May 16. On February 14, the clearest day of the year, the sky is clear, mostly clear or partly cloudy 78% of the time and cloudy or mostly cloudy 22% of the time.
The cloudiest period begins around May 16; It lasts for 5 and a half months and ends around November 1. On June 28, the cloudiest day of the year, the sky is cloudy or mostly cloudy 80% of the time and clear, mostly clear, or partly cloudy 20% of the time.
We base the comfort level of humidity on the dew point, as this determines whether sweat will evaporate from the skin, thereby cooling the body. When the dew points are lower it feels drier and when they are high it feels wetter. Unlike the temperature, which generally varies considerably between night and day, the dew point tends to change more slowly, so even though the temperature drops at night, on a humid day the night is generally humid.
In Cozumel the perceived humidity varies considerably.
The muggy period of the year lasts for 9.1 months, from March 16 to December 19, during which time the comfort level is muggy, oppressive, or unbearable at least 73% of the time. The wettest day of the year is August 23, with humidity 100% of the time.
The least humid day of the year is January 15, with humid conditions 63% of the time.
The best time of year to visit
To describe how pleasant the weather is in Cozumel during the year, we calculated two scores for travel.
The tourism score favors clear, rainless days with perceived temperatures between 18 ° C and 27 ° C. Based on this score, the best time of year to visit Cozumel for general outdoor tourism activities is from early December to mid-March, with a maximum score in the last week of January.