May weather forecast
Huatulco, Mexico

The last month of the spring, May, is another torrid month in Huatulco, Mexico, with an average temperature ranging between min 23°C (73.4°F) and max 35°C (95°F).
An excellent water temperature of 29°C (84.2°F) and only 2 rainfall days, with 27mm (1.06") of accumulated rainfall, makes May a prime for swimming and other water activities.

Temperature

The temperature in Huatulco, Mexico, hits its peak in April, May and August, recording an average high-temperature of 35°C (95°F).

Rainfall

In May, in Huatulco, Mexico, the rain falls for 2 days. Throughout May, 27mm (1.06") of precipitation is accumulated. Throughout the year, in Huatulco, there are 31 rainfall days, and 704mm (27.72") of precipitation is accumulated.

Sea temperature

In Huatulco, in May, the average water temperature is 29°C (84.2°F).
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and other activities, ensuring comfort and enjoyment for lengthened periods.

Daylight

The average length of the day in May in Huatulco is 12h and 52min.
On the first day of the month, sunrise is at 6:00 am and sunset at 6:43 pm. On the last day of May, sunrise is at 5:52 am and sunset at 6:53 pm CST.

Sunshine

In May, the average sunshine in Huatulco is 7h.

UV index

The months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an excessive health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 12 in May translates into the following recommendations:
Implement every essential safety step. Individuals with fair skin might receive burns in less than 5 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.