Huatulco in May averages 29°C (84°F) during the day and 22°C (72°F) at night. May is part of the rainy season, so frequent rainfall is typical.
If your ideal day consists of dry skies and pleasant temperatures, January, February, March and December typically offer the best circumstances for Huatulco.
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Pick a month to see the average temperature, rainfall and sunshine in Huatulco - and find the best time to visit.
48-year average (1976-2025)
Based on our historical records, temperatures in Huatulco typically stay consistent throughout May, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 25°C (77°F).
Browse day-by-day weather records for Huatulco spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 27 years of weather records for Huatulco, the following extremes were recorded between 1999 and 2026.
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in May →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! The water temperature sits at about 29°C (84°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Huatulco climate overview or explore weather in Mexico.
Where to go in May - average daytime high across popular destinations.
San Miguel de Allende
32°C (90°F) Los Cabos
32°C (90°F) Puerto Vallarta30°C (86°F) Playa del Carmen
30°C (86°F) Tulum30°C (86°F) Cancún30°C (86°F) Puerto Peñasco28°C (82°F) Mexico City26°C (79°F) Need travel inspiration? Check out our bucket list articles and be inspired.
An oasis nestled right on the edge of Huatulco National Park
The Huatulco National Park is absolutely stunning. This area is known to be a truly eco tourist hot spot and right on the edge of this National Park we found an oasis called Las Palmas.
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