Cozumel monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Cozumel

Cozumel average temperature chart (Celsius) Cozumel average temperature chart (Fahrenheit)
Average monthly temperatures in Cozumel (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 28.2 28.7 30.2 31.5 32.1 31.9 32.2 32.5 31.6 30.4 29.3 28.4
°F 82.7 83.6 86.4 88.7 89.7 89.4 89.9 90.6 88.9 86.8 84.7 83.2

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Cozumel monthly rainfall chart (mm) Cozumel monthly rainfall chart (inches)
Average monthly rainfall in Cozumel (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 84 59 40 49 113 190 117 145 242 228 118 107
inches 3.3 2.3 1.6 1.9 4.4 7.5 4.6 5.7 9.5 9 4.6 4.2
Rainy days 8 6 4 3 7 12 12 13 15 14 9 9

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Cozumel

Cozumel average daily sunshine chart
Average daily sunshine Cozumel
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.8 7.3 7.9 8.5 8.4 7.2 7.5 7.5 6.5 6.8 6.8 6.7

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Cozumel average minimum / maximum temperatures (Celsius) Cozumel average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Cozumel (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 19.4 19.3 20.6 21.9 22.7 23.7 23.4 23.5 23.6 23 21.3 20.2
Max °C 28.4 28.9 30.5 31.8 32.3 32.1 32.4 32.8 31.8 30.6 29.5 28.7
Min °F 66.9 66.7 69 71.3 72.9 74.7 74.1 74.2 74.5 73.4 70.3 68.3
Max °F 75 75.4 77.9 80.2 81.5 82.2 82.2 82.6 81.9 80.2 77.7 75.9

Sea temperature

The graph below shows the average sea temperature.

Cozumel average sea temperature chart (Celsius) Cozumel average sea temperature chart (Fahrenheit)
Average sea temperature around Cozumel in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 26.5 26.3 26.3 26.9 27.7 28.3 28.7 29.1 29.2 28.8 27.9 27.2
°F 79.8 79.4 79.4 80.4 81.8 82.9 83.6 84.4 84.5 83.8 82.3 80.9

Wind speed

The graph below shows the average wind speed.

Cozumel average winspeed by month (km/h) Cozumel average winspeed by month (mph)
Average wind speed in Cozumel (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 12 13 16 16 15 14 13 11 10 10 11 12
mph 7 8 10 10 9 9 8 7 7 6 7 7

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Cozumel relative humidity averages
Average relative humidity in Cozumel
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
83% 82% 80% 80% 81% 84% 85% 85% 87% 86% 84% 84%
Cozumel

Other monthly averages

UV index Best time to go?

Cozumel weather stats

Cozumel weather statistics
Hottest month: August 32.5°C 90.5°F
Driest month: March 40mm 1.6ins
Sunniest month: April 8.5hrs
Coldest month: January 28.2°C 82.8°F
Wettest month: September 242mm 9.5ins
Warmest sea: September 29.2°C 84.6°F
Map showing location of Cozumel (20.416584, -86.919582)

Locations nearby

Top Mexico locations

Change units