When To Go · Destination Guide
Bahias de Huatulco
National-park reefs, calm bays, and whale season on Oaxaca's Pacific coast
Updated Jan 23, 2026 • 15 sources
When to go
Best time to visit Bahias de Huatulco
Huatulco is warm yearround, but planning is mainly about rain, swell, and crowd spikes.
Best overall window
Nov to Apr
Drier weather and the most reliable beach days. Water often sits around 26°C to 28°C.
Outside that window
Rainy season with afternoon showers and occasional storm swell. East Pacific hurricane season runs May 15 to Nov 30.
Choose your trip style
Start with the overall answer, then switch only when scuba, freedive, snorkel, or topside timing changes the trip in a meaningful way.
Month-by-month planner
The overall row stays visible so you can compare it against the currently selected scope.
| Scope | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall |
Wildlife goals and seasonal highlights
These do not replace the overall planner. Use them only if a specific animal or event is driving your trip dates.
Humpback whale migration and whale watching
Best for Topside, Snorkel, Scuba
Oct to Apr
JanFebMarAprMayJunJulAugSepOctNovDecHumpback whales migrate along the Oaxaca coast during this window.
Sea turtle nesting and hatchlings on the Oaxaca coast
Best for Topside
Jul to Sep
JanFebMarAprMayJunJulAugSepOctNovDecOaxaca is famous for sea turtle conservation beaches.
World Triathlon Cup Huatulco
Best for Topside
Jun
JanFebMarAprMayJunJulAugSepOctNovDecAn international triathlon event is scheduled in Huatulco on June 14, 2026, bringing athletes and spectators to the waterfront zones.
Green-season waterfalls and jungle rivers
Best for Topside
Jul to Oct
JanFebMarAprMayJunJulAugSepOctNovDecWhen the rains arrive, inland waterfalls and river excursions become a standout, especially if ocean swell reduces snorkeling comfort.
Always true for this destination
- Peak demand usually clusters around late Dec to early Jan and Semana Santa (Mar or Apr).
Seasonal cautions
- May, Nov: Warm water and fewer crowds, with occasional transition weather. Expect 27°C to 29°C water on many days.
- Jun to Oct: Rainy season with afternoon showers and occasional storm swell. East Pacific hurricane season runs May 15 to Nov 30.
Built from climate references, access rules, and destination operators. Wildlife timing and route flexibility can shift year to year.