World Resorts Mexico Cozumel Weather

Cozumel weather in May

Weather in Cozumel: May

Average day temperature: 85.8°F
Average night temperature: 78.5°F
Sea water temperature: 82.9°F
Number of sunny days: 11 days
Day length: 12.9 - 13.3 hours
Number of rainy days: 5 days
Precipitation totals: 3.6 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 96°F. At the same time the lowest night temperature was 72°F. Daily and nightly averages during May were 92.7°F and 78.1°F.

Sea water temperature in Cozumel in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 83.4°F. The highest and lowest sea temperatures during the month were 84.7°F and 82.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Cozumel in May is 4.0 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 9.1 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 7.3.

Best time for vacation in Cozumel

Sunniest months:
July 12 days
April 12 days
May 11 days
Warmest months:
August 87.6 °F
July 87.6 °F
September 87.0 °F
Warmest sea temp:
September 85.3 °F
August 85.1 °F
October 84.9 °F
Coldest months:
January 79.1 °F
February 80.3 °F
December 81.0 °F
Rainiest months:
October 9 days
September 8 days
June 8 days
Windiest months:
March 10.5 mph
January 10.3 mph
June 10.1 mph

Cozumel on a weather map

Cozumel
+79°F
W 11 mph
Feels like: +84°F
Precip.: 0%
Places in Mexico:
Name
°F
+77°F
+79°F
+79°F
+72°F
+77°F
+73°F
+75°F
+79°F
+75°F
+79°F
+79°F
24 Hours Forecast
Cozumel
Local time: 23:04
December 05, friday
0000
79°F
W
11 mph
0300
79°F
W
9 mph
0600
79°F
W
9 mph
0900
79°F
W
8 mph
1200
84°F
W
11 mph
1500
84°F
W
10 mph
1800
81°F
NW
9 mph
2100
79°F
NW
8 mph
Units of measurement: °C / °F