May weather forecast and climate
Tulum, Mexico

Rocks, trees, sandy beaches, and clear waters surrounding the God of Winds Temple in Tulum, Mexico
Rocks, trees, sandy beaches, and clear waters surrounding the God of Winds Temple in Tulum, Mexico
The last month of the spring, May, is another hot month in Tulum, Mexico, with temperature in the range of an average low of 22°C (71.6°F) and an average high of 33°C (91.4°F).

Temperature

Warmest months are April through August, with an average high-temperature of 33°C (91.4°F).

Rainfall

In May, the rain falls for 7 days. Throughout May, 108mm (4.3") of precipitation is accumulated. In Tulum, during the entire year, the rain falls for 106 days and collects up to 1399mm (55.1") 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 May is 13.1h.

Sunshine

March through May, with an average of 8h of sunshine, are months with the most sunshine in Tulum.

UV index

Months with the highest UV index are April through August, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an excessive health risk from unprotected exposure to the Sun's UV rays for average individuals.
The average daily UV index of 12 transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. 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 are the warmest months in Tulum?

Warmest months are April through August, with an average high-temperature of 33°C (91.4°F).

What is the temperature in May in Tulum?

In May, the average high-temperature is 33°C (91.4°F), and the average low-temperature is 22°C (71.6°F).

How much does it rain in Tulum in May?

In Tulum, in May, during 7 rainfall days, 108mm (4.3") of precipitation is typically accumulated.

What is the sea water temperature in May in Tulum?

In May, the average sea temperature in Tulum, Mexico, 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.

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

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

What are the months with the most sunshine in Tulum?

Months with the most sunshine in Tulum are March through May, with an average of 8h of sunshine.

How many hours of sunshine does Tulum have in May?

The average sunshine in May is 8h.

When is the highest UV index in Tulum?

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

What is the UV index intensity in May in Tulum?

In May, the average daily maximum UV index in Tulum, Mexico, is 12. A UV Index reading of 11, and higher, represents an ultimate hazard to health from the exposure to the Sun's UV rays.
Average temperature in May - Tulum, Mexico
  • Average high temperature in May: 33°C

Warmest months (with the highest average high temperature) are April, May, June, July and August (33°C).
Months with the lowest average high temperature are January and December (29°C).

  • Average low temperature in May: 22°C

Months with the highest average low temperature are June, July and September (23°C).
Coldest months (with the lowest average low temperature) are January, February and December (18°C).

Average rainfall in May - Tulum, Mexico
  • Average rainfall in May: 108mm

The wettest month (with the highest rainfall) is September (226mm).
The driest month (with the lowest rainfall) is March (37mm).

Average rainfall days in May - Tulum, Mexico
  • Average rainfall days in May: 7 days

The month with the highest number of rainy days is September (15 days).
The month with the lowest number of rainy days is April (3 days).

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

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

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

The month with the longest days is June (Average daylight: 13.3h).
The month with shortest days is December (Average daylight: 10.9h).

  • Average sunshine in May: 8h

Months with most sunshine are March, April and May (Average sunshine: 8h).
Months with least sunshine are January, September, October, November and December (Average sunshine: 6).

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

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

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