Huatulco, on Mexico’s southern Pacific coast, enjoys a tropical savanna climate with hot, sunny weather nearly year-round. The region features a pronounced dry season from November to May and a lush, rainy season from June to October. With consistently warm temperatures, abundant sunshine, and inviting beaches, Huatulco is a favourite destination for sun-seekers and nature lovers.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Huatulco’s climate is defined by its tropical savanna pattern, offering little variation in temperature but dramatic shifts in rainfall. Daytime highs remain steady between 28–35°C (82–95°F) throughout the year, with April and May being the hottest months. Nights are warm, typically 19–24°C (66–76°F). Humidity is moderate to high, peaking during the rainy season, but sea breezes help keep the air comfortable.
The dry season, from November to May, features clear skies, minimal rainfall, and up to 9 hours of sunshine daily. Rain is rare, especially from January to March. The rainy season runs from June to October, with September as the wettest month – monthly rainfall can exceed 600 mm. Showers are often heavy but brief, usually in the afternoon or evening, and the landscape becomes lush and green. Despite the rain, there are still many sunny intervals. Huatulco is rarely affected by hurricanes, and sea temperatures are warm year-round (26–30°C), ideal for swimming and water sports. Winds are generally light to moderate (8–16 km/h), with occasional stronger gusts during storms.
| Average climate data for Huatulco, Mexico | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 33 | 33 | 34 | 35 | 35 | 34 | 34 | 35 | 34 | 34 | 33 | 33 | 35 |
| Average minimum temperature (°C) | 19 | 19 | 20 | 22 | 23 | 23 | 22 | 22 | 22 | 21 | 20 | 19 | 19 |
| Average precipitation (mm) | 3 | 1 | 1 | 1 | 27 | 177 | 123 | 121 | 175 | 67 | 9 | 1 | 706 |
| Average rainfall days (days) | 0 | 0 | 0 | 0 | 2 | 7 | 6 | 6 | 7 | 3 | 0 | 0 | 31 |
| Average water temperature (°C) | 27 | 27 | 28 | 28 | 29 | 30 | 30 | 30 | 29 | 29 | 28 | 27 | 29 |
| Average daily daylight hours (h) | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 12 |
| Average daily sunshine hours (h) | 8 | 9 | 9 | 7 | 7 | 6 | 6 | 6 | 5 | 7 | 8 | 8 | 7 |
| Average UV index | 9 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 9 | 8 | 11 |
The best time to visit Huatulco is from December to April, during the dry season. These months offer hot, sunny weather, minimal rainfall, and perfect conditions for beaches, snorkelling, and outdoor adventures. The sea is warm and clear, and the region’s natural beauty is at its peak.
The least favourable time to visit is in September and October, when heavy rainfall and high humidity are common. Afternoon storms can disrupt outdoor plans, and some eco-tours or hiking trails may be muddy or temporarily inaccessible. However, the landscape is lush and green, and crowds are minimal.
Huatulco has a tropical savanna climate with consistently hot temperatures (28–35°C) and two main seasons: a dry season (Nov–May) with little rain, and a rainy season (Jun–Oct) with heavy but brief showers.
December to April is the best time to visit Huatulco, offering hot, sunny, and dry weather perfect for beaches, water sports, and outdoor activities. Rain is rare and the sea is warm and clear.
Yes, the rainy season from June to October brings heavy rainfall, especially in September. Showers are usually brief and occur in the afternoon or evening, leaving plenty of sunny intervals.
Temperatures in Huatulco are hot year-round, with daytime highs between 28–35°C. April and May are the hottest months, while nights remain warm and comfortable for outdoor dining or strolling.
Yes, Huatulco’s beaches are inviting year-round, with warm sea temperatures (26–30°C). The dry season is ideal for sunbathing and swimming, while the rainy season offers lush landscapes and fewer crowds.
Bring light, breathable clothing, sun protection, and swimwear. In the rainy season, add a rain jacket and waterproof shoes for excursions. Hydration and sun safety are important year-round.
Huatulco is rarely affected by hurricanes. Most storms pass north of the region, and direct impacts are uncommon. The rainy season may bring occasional strong winds and heavy rain.
The warmest month, with the highest average maximum temperature, is May (35.1 °C). The month with the lowest average maximum temperature is November (33 °C). Overall, the average maximum temperature over the whole year is 33.9 °C.
The month with the highest average minimum temperature is May (23.1 °C). The coldest month, with the lowest average minimum temperature, is January (18.9 °C). Overall, the average minimum temperature over the whole year is 21 °C.
The month with the highest average water temperature is August (30.1 °C). The month with the lowest average water temperature is December (26.9 °C). Overall, the average water temperature over the whole year is 28.5 °C.
The wettest month, with the highest amount of precipitation, is June (177 mm). The driest month, with the least amount of precipitation, is February (1 mm). Over the whole year there are 705.9 mm of rainfall on average.
The month with the most days of rain is June (7.1 days). The months with the fewest days of rain are November and December (0 days). Over the whole year there are 31 days of rain on average.
The month with the longest days, so the most daylight, is June (Average daylight: 13 h). The month with the shortest days, so the least daylight, is December (Average daylight: 11 h). Over the whole year there are 11.8 h of daylight per day on average.
The month with the most sunshine per day is February (Average sunshine: 9.1 h). The month with the least sunshine per day is September (Average sunshine: 5 h). Over the whole year there are 7.2 h of sunlight per day on average.
The months with the highest average UV index are March, April, May, June, July, August and September (UV index: 12). The month with the lowest average UV index is December (UV index: 8). Over the whole year the average UV index is 11.
