This report describes the typical weather at the Cozumel International Airport (Cozumel, Mexico) weather station over the course of an average November. It is based on the historical records from 1991 to 2012. Earlier records are either unavailable or unreliable.
Cozumel has a tropical monsoon climate with short dry season. The area within 25 mi of this station is covered by oceans and seas (69%) and forests (30%).
The month of November is characterized by gradually falling daily high temperatures, with daily highs around 84Â°F throughout the month, exceeding 89Â°F or dropping below 79Â°F only one day in ten.
Over the course of November, the length of the day is essentially constant. The shortest day of the month is November 30 with 10:58 hours of daylight; the longest day is November 1 with 11:22 hours of daylight.
The earliest sunrise is at 5:50am on November 1; the latest sunset is at 5:12pm on November 1; the latest sunrise is at 6:07am on November 30; the earliest sunset is at 5:05pm on November 25.
Daylight saving time is observed in 2012 but it neither starts nor ends in November, so the entire month is in standard time.
The median cloud cover ranges from 53% (partly cloudy) to 59% (partly cloudy). The trend is for the sky to be clearing with the median cloud cover decreasing by 6% from the start to the end of the month.
On November 15, a representative day, the sky is clear or mostly clear 10% of the time, partly cloudy 20% of the time, and mostly cloudy or overcast 20% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around November 1, occurring in 33% of days. Precipitation is least likely around November 27, occurring in 24% of days.
Throughout November, the most common forms of precipitation are light rain and moderate rain.
Light rain is the most severe precipitation observed during 43% of those days with precipitation. It is most likely around November 1, when it is observed during 12% of all days.
Moderate rain is the most severe precipitation observed during 39% of those days with precipitation. It is most likely around November 1, when it is observed during 14% of all days.
Either snow is exceptionally unlikely to fall at this location in November or this station does not reliably report precipitation types.
The relative humidity typically ranges from 65% (mildly humid) to 92% (very humid) over the course of a typical November, rarely dropping below 55% (mildly humid) and reaching as high as 100% (very humid).
The air is driest around November 14, at which time the relative humidity drops below 70% (mildly humid) three days out of four; it is most humid around November 1, rising above 87% (very humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a typical November, the dew point typically varies from 67Â°F (muggy) to 75Â°F (very muggy) and is rarely below 61Â°F (comfortable) or above 78Â°F (oppressive).
Over the course of November typical wind speeds vary from 0 mph to 15 mph (calm to moderate breeze), rarely exceeding 23 mph (fresh breeze).
The highest average wind speed of 8 mph (gentle breeze) occurs around November 8, at which time the average daily maximum wind speed is 15 mph (moderate breeze).
The lowest average wind speed of 7 mph (light breeze) occurs around November 30, at which time the average daily maximum wind speed is 14 mph (moderate breeze).