Huatulco weather in August
Mexico

August in Huatulco: sweltering, soaked, with clean air — fine if you can take 25 rainy days.
#9 of 12 months in Huatulco · #988 of 1383 destinations to visit in August · comfort 65/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Huatulco in August
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 — August
| Daytime high | 31°C / 89°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Feels like (high) | 38°C / 100°F | |
| Sea temperature | 31°C / 88°F | ♨️ bath-warm |
| Rainfall | 299 mm / 11.8 in | ⛈ soaked |
| Rainy days | 25 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 22°C / 71°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 12.6 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Huatulco in August
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.
Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(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).
Fair weatherHuatulco's best weather comes in February, March and December — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Huatulco in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Pacific hurricane season
15 May – 30 NovThe eastern Pacific season opens a fortnight before the Atlantic one. Storms here usually track away from the coast, but the ones that don't come ashore fast on this stretch of Oaxaca, and September is the peak. Source ↗
- 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.
- Season
Wet season
MonsoonRisk25 rainy days and about 299 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
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 August — FAQ
- Is August a good time to visit Huatulco?
- August in Huatulco: sweltering, soaked, with clean air — fine if you can take 25 rainy days. It ranks #9 of 12 months for Huatulco on SeasonMap's comfort score (65/100).
- What is the weather like in Huatulco in August?
- In August, Huatulco averages a daily high of 31.4°C and a low of 23°C, with about 298.8 mm of rain over roughly 25.2 rainy days.
- What is the air quality in Huatulco in August?
- Huatulco has a mean US Air Quality Index of about 32 in August.
Other months in Huatulco
Compare Huatulco in August
Warmer or cooler than Huatulco in August
Similar destinations in North America — August
Within 300 km: Puerto Escondido's Olive ridley arribadas around 1 Jul – 15 Dec, and Oaxaca's Afternoon storm season on 1 Jun – 30 Sep.