Cozumel
Mexico
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Cozumel, Mexico

A small blue boat, palm trees, and clear blue waters on Chen Rio white sandy beach in Cozumel, Mexico, with a small island
A small blue boat, palm trees, and clear blue waters on Chen Rio white sandy beach in Cozumel, Mexico, with a small island
The last month of the spring, May, is also a hot month in Cozumel, Mexico, with temperature in the range of an average high of 32.7°C (90.9°F) and an average low of 22.9°C (73.2°F).

Temperature

In Cozumel, Mexico, the average high-temperature is practically the same as in April - a still hot 32.7°C (90.9°F). The average low-temperature, in May, is 22.9°C (73.2°F).

Humidity

In May, the average relative humidity is 80%.

Rainfall

In May, in Cozumel, the rain falls for 7.2 days. Throughout May, 110.6mm (4.4") of precipitation is accumulated. In Cozumel, Mexico, during the entire year, the rain falls for 119.9 days and collects up to 1489.9mm (58.7") of precipitation.

Sea temperature

In May, the average sea temperature is 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in Cozumel is 13.1h.

Sunshine

In May, the average sunshine in Cozumel is 7.5h.

UV index

Months with the highest UV index are April through August, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme threat to health from the exposure to the Sun's UV rays for ordinary individuals.
The daily maximum UV index of 12 in May interpret into the following advice:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in May in Cozumel?

The average high-temperature, in May, in Cozumel, Mexico, is 32.7°C (90.9°F), while the average low-temperature is 22.9°C (73.2°F).

What is the average humidity in May in Cozumel?

In Cozumel, the average relative humidity in May is 80%.

How many days does it rain in May in Cozumel?

In Cozumel, Mexico, in May, during 7.2 rainfall days, 110.6mm (4.4") of precipitation is typically accumulated.

What is the sea water temperature in May in Cozumel?

In Cozumel, the average seawater temperature in May is 28°C (82.4°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in May in Cozumel?

In May, the average length of the day in Cozumel is 13.1h.

How long on average sun shines in May in Cozumel?

In Cozumel, Mexico, the average sunshine in May is 7.5h.

When is the highest UV index in Cozumel?

Months with the highest UV index are April through August, with an average maximum UV index of 12.

What is the UV index intensity in May in Cozumel?

In Cozumel, the average daily maximum UV index in May is 12. A UV Index reading of 11, and higher, represents an extreme health vulnerability from the exposure to the Sun's UV rays.
Average temperature in May - Cozumel, Mexico
  • Average high temperature in May: 32.7°C

The warmest month (with the highest average high temperature) is August (33°C).
Months with the lowest average high temperature are January and December (28.6°C).

  • Average low temperature in May: 22.9°C

The month with the highest average low temperature is June (23.8°C).
Coldest months (with the lowest average low temperature) are January and February (19.4°C).

Average humidity in May - Cozumel, Mexico
  • Average humidity in May: 80%

The month with the highest relative humidity is September (87%).
Months with the lowest relative humidity are March and April (79%).

Average rainfall in May - Cozumel, Mexico
  • Average rainfall in May: 110.6mm

The wettest month (with the highest rainfall) is October (242.5mm).
The driest month (with the lowest rainfall) is March (32.2mm).

Average rainfall days in May - Cozumel, Mexico
  • Average rainfall days in May: 7.2 days

The month with the highest number of rainy days is October (15.7 days).
The month with the lowest number of rainy days is April (3.7 days).

Average sea temperature in May - Cozumel, Mexico
  • Average sea temperature in May: 28°C

Best months for swimming (with the highest average sea temperature) are July, August, September and October (29°C).
Coldest months (with the lowest average sea temperature) are February and March (26°C).

Average daylight in May / Average sunshine in May - Cozumel, Mexico
  • Average daylight in May: 13.1h

The month with the longest days is June (Average daylight: 13.4h).
The month with shortest days is December (Average daylight: 10.9h).

  • Average sunshine in May: 7.5h

The month with most sunshine is April (Average sunshine: 8.6h).
Months with least sunshine are September and November (Average sunshine: 6.1).

Average UV index in May - Cozumel, Mexico
  • Average UV index in May: 12

Months with the highest UV index are April, May, June, July and August (UV index 12).
Months with the lowest UV index are January and December (UV index 7).