Planning a trip to Puerto Vallarta in December? Weather plays a bigger role than you might think. It determines what you pack, which tours make sense, and how you'll spend your days. Some months bring perfect beach weather, others favor jungle adventures or whale watching. December delivers the ideal combination of all three.
This guide breaks down exactly what to expect from Puerto Vallarta's weather in December. We'll cover temperatures, rain patterns, ocean conditions, and how all of it affects your plans. By the end, you'll know if December fits what you're looking for and how to make the most of it. You'll discover why this month marks the start of peak season and what makes it special for adventure seekers.
What's the Average Temperature in Puerto Vallarta During December?
Puerto Vallarta enjoys beautifully mild temperatures in December, with daytime highs typically ranging from 82°F to 86°F (28°C to 30°C). Most days settle comfortably in the low 80s°F (around 28°C), making it perfect for outdoor adventures without the intense heat of summer months.
The overall temperature range feels just right for both beach activities and jungle exploration, rarely pushing into uncomfortable territory even during the warmest part of the day.
How Hot Does It Get in Puerto Vallarta in December?
December days can reach up to 82°F (28°C) on the warmest occasions, but this peak heat typically occurs during midday hours and feels comfortable thanks to ocean breezes. The perceived temperature remains pleasant because humidity levels stay moderate rather than oppressive.
Unlike summer months, where heat can feel stifling, December's warmth feels energizing and perfect for active adventures, whether you're zip-lining through jungle canopies or exploring coastal areas.
Is It Cold in Puerto Vallarta in December?
Cold weather isn't a concern during Puerto Vallarta's December days. Even early mornings start comfortably around 65°F (18°C), and temperatures quickly warm as the sun rises. The coolest you'll experience is pleasant rather than cold—perfect for morning adventures or early wildlife tours. December represents the ideal middle ground where you won't need heavy clothing during the day, making it excellent for outdoor activities and water sports.
What's the Temperature Like at Night in Puerto Vallarta in December?
Evenings in December are cool to a refreshing 59°F to 68°F (15°C to 20°C), creating perfect conditions for outdoor dining and nighttime activities. You'll want to bring a light sweater or jacket for evening adventures, beachfront dinners, or late-night strolls along the Malecón.
The temperature drop feels pleasant rather than uncomfortable, and many visitors appreciate the cooler evenings after warm, active days exploring jungles and beaches.
Is the Water Warm Enough to Swim in December?
The Pacific waters off Puerto Vallarta are delightfully warm in December, averaging around 80°F (27°C)—perfect for swimming, snorkeling, and diving without any wetsuit needed. This temperature feels like a comfortable, warm bath and supports extended water activities, from dolphin encounters to whale watching tours.
The sea maintains its warmth from the summer months while the air temperatures become more comfortable, creating ideal conditions for all marine adventures. Whether you're planning snorkeling expeditions to Los Arcos or swimming with wild dolphins in Banderas Bay, the water temperature enhances rather than limits your experience.
Does It Rain in Puerto Vallarta in December?
December marks the beginning of Puerto Vallarta's dry season, so rain is minimal and infrequent. You'll have only about a 6% chance of rain on any given day, with most days staying completely dry.
When rain does occur, it typically comes as brief afternoon showers lasting 20-30 minutes rather than extended downpours that disrupt plans. The transition into dry season makes December one of the most reliable months for outdoor adventures.
How Much Rain Should You Expect in Puerto Vallarta in December?
Puerto Vallarta receives only about 0.8 to 1 inch (21-25mm) of total rainfall during the entire month of December, usually spread across 3-4 days. When rain does fall, it's typically in the form of short, light showers that clear quickly, leaving sunny skies and fresh air behind. These brief showers rarely impact tour schedules or outdoor activities, and the minimal rainfall contributes to excellent visibility for snorkeling and comfortable conditions for jungle adventures.
Is December Part of the Rainy Season in Puerto Vallarta?
December actually marks the beginning of Puerto Vallarta's dry season, which runs from November through May. The rainy season officially ends in November, making December one of the most reliable months for consistently dry, sunny weather.
This seasonal transition means you can plan outdoor adventures with confidence, knowing that extended periods of rain are extremely unlikely to disrupt your jungle tours, whale watching expeditions, or beach activities.
Should You Worry About Storms in Puerto Vallarta in December?
December falls well outside Puerto Vallarta's hurricane season, which officially ends in November, so you don't need to worry about tropical storms or hurricanes. The weather patterns are stable and predictable, with gentle ocean breezes and calm conditions that support safe marine activities.
This storm-free period makes December ideal for boat tours, whale watching, and water sports, as you can plan adventures without weather-related safety concerns or last-minute cancellations.
Is It Windy in Puerto Vallarta in December?
December brings gentle, pleasant breezes averaging around 6-10 mph (10 km/h), which feel refreshing rather than disruptive. These light coastal winds help regulate humidity and temperature, making beach days more comfortable and providing perfect conditions for sailing adventures.
The mild wind patterns support calm sea conditions ideal for snorkeling, diving, and whale watching, while still offering enough breeze to keep you cool during jungle adventures and outdoor activities.
What Wildlife Shows Up in Puerto Vallarta in December?
December marks the exciting beginning of humpback whale season in Banderas Bay, as these magnificent creatures arrive to breed and give birth in the warm waters. You'll also encounter resident bottlenose dolphins year-round, with December's calm seas making sightings more frequent and comfortable.
Late-season sea turtle hatchling releases may still occur on protected beaches, while the Sierra Madre mountains come alive with over 350 bird species, including tropical parrots and hummingbirds. December's mild weather creates optimal conditions for wildlife photography and extended observation periods.
Does the Weather Affect Tours in Puerto Vallarta During December?
December's consistently excellent weather means tour cancellations are extremely rare, and conditions enhance rather than limit your adventure options. The mild temperatures and minimal rainfall create perfect conditions for jungle zip-lining, ATV tours, and mountain adventures without the intense heat of summer.
Marine tours benefit from calm seas and excellent visibility, making this a prime time for whale watching, snorkeling, and diving expeditions. The reliable weather allows tour operators to maintain full schedules, and the comfortable conditions mean you'll enjoy longer, more comfortable adventures across all activities.
What to Bring for Puerto Vallarta in December
Weather determines everything you pack. December's conditions in Puerto Vallarta mean you'll want lightweight, breathable clothing for warm days and light layers for cooler evenings. Essential items include shorts, t-shirts, swimwear, sandals for daytime adventures, plus a light sweater or jacket for evening activities. Sun protection remains crucial, utilizing sun-protective clothing, a wide-brimmed hat, and UV sunglasses. A compact umbrella provides backup for rare, brief showers.
For a complete breakdown of exactly what to bring, check out our detailed guide: What to Pack for Puerto Vallarta in December.
Best Things to Do in Puerto Vallarta in December
December brings specific advantages to Puerto Vallarta adventures. The beginning of whale season makes this a prime time for humpback whale encounters, while perfect weather conditions support comfortable jungle zip-lining, ATV expeditions, and mountain village tours.
Ocean conditions are ideal for snorkeling, diving, and marine wildlife encounters, while the mild temperatures make hiking, horseback riding, and cultural experiences more enjoyable. The combination of dry weather and comfortable temperatures creates optimal conditions for multi-adventure packages combining jungle, marine, and cultural experiences.
We've put together a full guide covering the top experiences: Things to Do in Puerto Vallarta in December.
Our Top Pick to Enjoy the Best of Puerto Vallarta: Majahuitas Music Festival
December's ideal weather creates the perfect backdrop for this exclusive beach celebration. With warm days hovering around 82°F and a minimal chance of rain, the gentle ocean breezes and calm December seas make the journey to this secluded beach club both comfortable and scenic. Our round-trip party boat transportation takes advantage of excellent visibility and calm waters, giving you spectacular coastal views en route to this hidden paradise tucked between jungle and sea.
The comfortable weather lets you enjoy world-class DJs and gourmet coastal cuisine without intense heat or afternoon rains, while pleasant evening temperatures (around 65°F) extend the perfect conditions into sunset. This experience includes boat transportation, beach club access, and a musical journey with top DJs—everything you need for the ultimate December day in Puerto Vallarta when the weather creates ideal conditions for outdoor celebrations.
You're Ready for Puerto Vallarta in December
Now you know what Puerto Vallarta weather looks like in December. You can plan around the comfortable temperatures, prepare for minimal rain, and time your activities to match ideal conditions. Whether you're here for whale watching adventures, jungle zip-lining, or cultural exploration, December offers some of the year's most reliable and comfortable weather for outdoor experiences.
Ready to make it happen? Browse our full selection of Puerto Vallarta tours and find the adventures that fit your travel style. The best tours fill up fast during December's popular season, so book ahead and show up ready for unforgettable experiences in perfect weather conditions.
