SeasonMapHuatulco weather in December
Mexico
December in Huatulco: sweltering, dry, with clean air — fine if you can take 36°C afternoons.
#3 of 12 months in Huatulco · #15 of 1383 destinations to visit in December · comfort 93/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Huatulco in December
Other months in Huatulco
Huatulco's forum calls February about as reliable as Mexico's coast gets — one long-time visitor logged years of early-February trips with only a handful of rainy days each time, and regulars rate it the safest bet on the coast for hot, sunny, dry weather. The water stays warm from December through February too, so swimming is comfortable start to finish.
Add your own note from Huatulco's card on the map.
Huatulco climate normals — December
| Daytime high | 31°C / 87°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 20°C / 68°F | |
| Feels like (high) | 36°C / 97°F | |
| Sea temperature | 28°C / 83°F | ♨️ bath-warm |
| Rainfall | 19 mm / 0.8 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 20°C / 68°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 11.2 h | |
| Wind | 9 km/h / 6 mph | |
| Air quality (US AQI) | 25 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Huatulco in December
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Busyschool holidays in 3 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Huatulco's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherHuatulco's best weather comes in February, March and December — separate windows, not one continuous season.
December includes Olive ridley nesting.
Best weatherFair weatherToughest weather
What's on in Huatulco in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Olive ridley nesting
1 Jul – 15 Dec · usuallyTurtle nestingOlive ridleys nest along the beaches west of the bays through the wet half of the year, and the camps run hatchling releases at dusk from about September. The big arribadas happen further up the coast.
- Nature
Humpback whale season
1 Dec – 31 Mar · usuallyHumpbacks come into the bays to calve from December and are usually gone by April. The boats out of Santa Cruz go looking most mornings; the water is calmest before ten.
Nearby, and something's on
Within 300 km of Huatulco — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Huatulco?
Huatulco in December — FAQ
- Is December a good time to visit Huatulco?
- December in Huatulco: sweltering, dry, with clean air — fine if you can take 36°C afternoons. It ranks #3 of 12 months for Huatulco on SeasonMap's comfort score (93/100).
- What is the weather like in Huatulco in December?
- In December, Huatulco averages a daily high of 30.8°C and a low of 20.1°C, with about 19.4 mm of rain over roughly 4.4 rainy days.
- What is the air quality in Huatulco in December?
- Huatulco has a mean US Air Quality Index of about 25 in December.
Other months in Huatulco
Compare Huatulco in December
Warmer or cooler than Huatulco in December
Similar destinations in North America — December
Within 300 km: Puerto Escondido's Olive ridley arribadas around 1 Jul – 15 Dec, and Oaxaca's Las Posadas on 16–24 Dec.