Planning a trip to Puerto Vallarta in August? You're looking at a month that brings its own rhythm to the coast: warm water, tropical energy, and a pace that rewards travelers who know what to expect.
This guide covers temperatures, rain patterns, ocean conditions, and how they shape your plans, so you can decide if August is the right fit.
What's the Average Temperature in Puerto Vallarta During August?
August is the hottest month of the year in Puerto Vallarta, with temperature averages hovering around daytime highs of 88°F to 93°F and nighttime lows of about 73–77°F. That range stays remarkably consistent throughout the month, so whether you arrive on the first or the thirty-first, the temperatures won't surprise you.
The steady warmth means every day offers reliable conditions for morning beach time, water activities, and outdoor exploration before the afternoon heat reaches its peak.
How Hot Does It Get in Puerto Vallarta in August?
The thermometer tells one story, but your body tells another. Humidity levels averaging 68–70% and peaking at 88–93% push the heat index to around 100–105°F during peak afternoon hours. That gap between actual temperature and perceived temperature is what catches most visitors off guard.
Early mornings feel manageable, but by midday, the combination of heat and moisture calls for shade, hydration, and a shift toward indoor or water-based activities.
Is It Cold in Puerto Vallarta in August?
Cold weather isn't part of the equation in August, not even close. With temperature averages sitting near daytime highs of 88°F to 93°F and nighttime lows around 73–77°F, the only chill you're likely to feel comes from air-conditioned restaurants and hotel lobbies.
If anything, August travelers focus on staying cool rather than staying warm, which makes water activities and shaded excursions the natural go-to throughout the day.
What's the Temperature Like at Night in Puerto Vallarta in August?
Evenings stay warm, with temperatures typically holding between 70°F and 75°F after sundown. High humidity means those numbers feel even warmer than they read, so lightweight and breathable clothing is all you need for nighttime dining, boardwalk strolls, or open-air entertainment.
Leave the layers at home; jackets and sweaters would feel uncomfortable in August's sticky evening air. The warmth carries well past sunset, making late-night walks along the beach a genuinely pleasant experience.
Is the Water Warm Enough to Swim in August?
August delivers the warmest ocean temperatures of the entire year, with water temps averaging 86–87°F across Banderas Bay. At that range, the water feels like a warm bath, comfortable enough for long swims, extended snorkeling sessions, and unhurried time in the shallows with kids. No wetsuit required. Even at diving depths of 60 feet, water temperatures hold above 85°F, which means a standard swimsuit or a thin rashguard for sun protection is all you need.
Visibility reaches 60 to 130 feet during this period, significantly better than winter months, so snorkelers and divers benefit from both warmth and clarity.
Does It Rain in Puerto Vallarta in August?
Yes, it rains, and it rains often. Puerto Vallarta sees measurable precipitation on roughly 21 to 24 days during August, making it one of the wettest months on the calendar.
Rather than gray, soggy days stuck indoors, August means mornings that typically start sunny and clear, followed by concentrated afternoon or evening thunderstorms that roll through and move on.
How Much Rain Should You Expect in Puerto Vallarta in August?
August delivers around 15 to 16 inches of total rainfall, with the heaviest stretches landing in the final ten days of the month. Rather than slow, all-day drizzle, the rain tends to arrive as powerful but relatively brief afternoon and evening thunderstorms. That concentrated pattern is what makes August manageable for travelers; the bulk of usable daylight remains dry and sunny.
Mornings consistently open with clear skies, giving you a reliable window for outdoor plans before the clouds build later in the day.
Is August Part of the Rainy Season in Puerto Vallarta?
August sits squarely in the middle of Puerto Vallarta's rainy season, which runs from roughly June through October. By August, the seasonal pattern is fully established, meaning the daily cycle of morning sun followed by afternoon storms operates like clockwork.
This predictability is actually one of August's advantages over the transitional months at either end of the season, where weather can feel less consistent.
Should You Worry About Storms and Hurricanes in Puerto Vallarta in August?
August falls within the hurricane season, and activity tends to pick up toward late August. That said, Puerto Vallarta's bay setting and the Sierra Madre mountains provide natural protection that historically weakens or deflects approaching storms. The last hurricane to cause significant damage here was in 2002.
Monitor forecasts through the National Hurricane Center and consider travel insurance, but storm anxiety alone shouldn't drive your booking decisions.
Is It Windy in Puerto Vallarta in August?
August is one of the calmest months of the year for wind, with average speeds hovering around 5.5 miles per hour. That translates to minimal sand blowing on the beach, easy conditions for paddleboarding and kayaking, and smooth water surfaces for boat excursions.
Swimming and snorkeling benefit from reduced surface chop. Wind-dependent sports like kiteboarding need considerably stronger breezes, so those are better suited to winter visits.
What Wildlife Shows Up in Puerto Vallarta in August?
August marks the beginning of turtle nesting, one of the most rewarding wildlife events on the Pacific coast. Four turtle species, Olive Ridley, Pacific Green, Leatherback, and Hawksbill, nest along the beaches from August through December, with conservation programs in Banderas Bay releasing an average of 60,000 baby turtles each year. Bottlenose dolphins remain active in the bay year-round, frequently approaching boats.
Birdwatchers can spot over 300 species in the region, including endemics like the Golden-cheeked Woodpecker and San Blas Jay. One important note: humpback season doesn't start until December, so whale watching isn't available this time of year.
Does the Weather Affect Tours in Puerto Vallarta During August?
Tours operate rain or shine throughout August. The predictable morning-sun-afternoon-rain cycle means most outdoor activities and water excursions are scheduled with early departures, well ahead of afternoon storms.
Cancellations due to weather are rare and typically reserved for severe conditions, not standard afternoon showers. Since water-based activities keep you wet already, light rain barely changes the experience.
What to Bring for Puerto Vallarta in August
August's conditions call for specific gear to stay comfortable. Quick-drying swimsuits (at least three or four, since humidity slows drying time) form the foundation. Lightweight, breathable clothing in moisture-wicking fabrics handles the heat, while a compact rain jacket or poncho covers the afternoon storms without taking up much luggage space.
Non-slip waterproof sandals are essential for wet streets and rocky shorelines. A wide-brimmed hat and long-sleeve sun-protective layers handle the strong UV. August's evening mosquitoes make insect repellent essential, and a waterproof phone case protects against afternoon downpours. A quick-dry microfiber towel rounds out the list.
Best Things to Do in Puerto Vallarta in August
August brings specific advantages to Puerto Vallarta. The warmest ocean temperatures of the year make morning snorkeling, kayaking, and paddleboarding exceptionally comfortable, while sea turtle nesting season adds a wildlife dimension you won't find during winter months. The key is timing.
Outdoor adventures thrive in the sunny morning hours, and afternoon rain opens up culinary experiences, cooking classes, art workshops, and mountain town excursions to places like San Sebastián del Oeste, where higher elevation often means different weather entirely.
We've put together a full guide covering the top experiences: August activity guide.
Our Top Picks to Enjoy the Best of Puerto Vallarta
Outdoor Adventure Fun
If one day is all you have for a proper adventure, the Sierra Madre mountains make a compelling case for where to spend it. A speedboat takes you across Banderas Bay, then a vintage Unimog 4x4 truck climbs into the jungle, and a mule carries you to a summit above 1,000 feet where the canopy opens up and the canyon drops away below. From there, the day runs downhill in the best possible way — ziplines from hilltop to hilltop, the Roller Coaster Zipline winding at speed through the trees, rappelling down alongside a waterfall into a natural river pool, and hillside water slides that put a natural end to the climb.
The whole sequence is what makes it work. It's not a single activity — it's a full progression through the Sierra Madre, from the bay to the jungle to the waterfall, with each section built around the terrain rather than despite it.
That's exactly what Outdoor Adventure, Ziplines & Waterfall delivers — named one of the greatest adventures on Earth by National Geographic and the Travel Channel, with over 6,500 five-star reviews. The speedboat, Unimog transfer, mule ride, zipline circuit, rappel, and water slides are all included, along with professional bilingual guides and safety equipment throughout.
A Day at Las Caletas
A two-day plan that combines a secluded beach escape with a hands-on marine mammal experience is an easy way to make August's warm water and sunny mornings work in your favor. Day one takes you by boat to Las Caletas, a secluded beach where the whole family can snorkel crystal-clear waters, kayak, paddleboard, and explore nature trails through the tropical reserve, all activities that double as natural relief from August's heat.
Kids get their own adventure park with child-friendly zip lines, while adults can sample mezcal tastings and spot colorful macaws between stretches in the hammocks. Day two brings an up-close dolphin experience at an accredited Marine Mammal Center, where specialists lead an educational session before a 30-minute in-water dolphin swim in a small group setting.
That combination is exactly what our Las Caletas + Dolphins package is designed to deliver. The facility holds accreditations from American Humane, Alliance of Marine Mammal Parks, and IMATA. Transportation, a buffet lunch, beverages, and all equipment are included; the logistics are handled and you can focus on the water, the wildlife, and each other.
You're Ready for Puerto Vallarta in August
Now you know what Puerto Vallarta weather looks like in August. You can plan around the temperatures, prepare for afternoon rain, and time your activities to match the morning sunshine that defines the daily rhythm. Whether you're here for the warm ocean, the start of sea turtle season, or the family adventures that thrive along this coast, August has something genuinely worth experiencing.
Ready to make it happen? Browse our full selection of Puerto Vallarta tours and find the experiences that fit your travel style. The best tours fill up fast, especially during popular months, so book ahead and show up ready.
