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

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.

Start with the overall answer, then switch only when scuba, freedive, snorkel, or topside timing changes the trip in a meaningful way.

The overall row stays visible so you can compare it against the currently selected scope.

BestGoodTradeoffsMore variable

Scope	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Overall	Overall - Jan: Best	Overall - Feb: Best	Overall - Mar: Best	Overall - Apr: Best	Overall - May: Good	Overall - Jun: Tradeoffs	Overall - Jul: Tradeoffs	Overall - Aug: Tradeoffs	Overall - Sep: Tradeoffs	Overall - Oct: Tradeoffs	Overall - Nov: Good	Overall - Dec: Best

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
JanFebMarAprMayJunJulAugSepOctNovDec
Humpback whales migrate along the Oaxaca coast during this window.
Sea turtle nesting and hatchlings on the Oaxaca coast
Best for Topside
Jul to Sep
JanFebMarAprMayJunJulAugSepOctNovDec
Oaxaca is famous for sea turtle conservation beaches.
World Triathlon Cup Huatulco
Best for Topside
Jun
JanFebMarAprMayJunJulAugSepOctNovDec
An 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
JanFebMarAprMayJunJulAugSepOctNovDec
When the rains arrive, inland waterfalls and river excursions become a standout, especially if ocean swell reduces snorkeling comfort.

Peak demand usually clusters around late Dec to early Jan and Semana Santa (Mar or Apr).

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.