May in Santa Cruz Huatulco averages 30°C (86°F) during the day and 25°C (77°F) at night. Quite a bit of rainfall is typical this month, with around 148 mm (5.8 in) on average. An umbrella is a good idea.
Should you favor a climate that's both dry and comfortably warm, January and December typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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Pick a month to see the average temperature, rainfall and sunshine in Santa Cruz Huatulco - and find the best time to visit.
48-year average (1976-2025)
Based on our historical records, temperatures in Santa Cruz Huatulco typically stay consistent throughout May, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 25°C (77°F).
Browse day-by-day weather records for Santa Cruz Huatulco spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Santa Cruz Huatulco between 1999 and 2026, these are the recorded extremes during May.
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 weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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See the full Santa Cruz 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.
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