Weather in La Paz in December: 7 Things to Know Before You Go

Planning a winter getaway? The weather in La Paz in December brings sunny days, comfortable temperatures, and refreshing coastal breezes. You can explore beautiful beaches, enjoy boat trips, or stroll along the Malecón without dealing with intense summer heat. Evenings feel noticeably cooler, making a light jacket useful for waterfront dinners and sunset walks.

However, December weather comes with a few things worth knowing before you pack. Sea temperatures can feel chilly, and stronger winds sometimes affect swimming conditions and boat tours. Choosing the right activities and packing suitable clothing can make your holiday much more enjoyable. A little planning helps you make the most of La Paz's pleasant winter weather.

Here are seven important things to know about visiting La Paz in December before you book your trip.

1. Is December a Good Time to Visit La Paz?

Yes, December is a good time to visit La Paz, especially if you enjoy mild weather and outdoor activities. The weather in La Paz in December is generally sunny and comfortable, with very little rainfall to interrupt your plans. You can visit local beaches, stroll along the Malecón, or enjoy boat trips on the Sea of Cortez. The cooler temperatures also make sightseeing more pleasant, especially when walking around town during the afternoon.

Early December is particularly appealing if you prefer a quieter atmosphere. Beaches and popular attractions generally feel less crowded before the Christmas and New Year holiday rush. However, the seawater can feel surprisingly cool, especially if you're expecting warm tropical swimming conditions. Some days also bring breezy weather that makes boat trips feel chilly.

December is an excellent choice for sightseeing, wildlife experiences, and relaxed beach days. However, travelers seeking consistently warm swimming water may prefer a different season.

Planning a beach day? Explore our guide to the best beaches in La Paz Mexico to discover beautiful spots for swimming, sightseeing, and boat trips.

2. How Warm Is La Paz Weather in December?

The weather in La Paz in December is pleasantly mild, with daytime temperatures around 23°C to 26°C (73°F to 79°F). Exact averages vary between climate sources because they use different datasets. You can expect comfortable afternoons for sightseeing, beach walks, and outdoor dining without the intense summer heat.

Early mornings and evenings feel noticeably cooler, with temperatures often dropping into the mid teens Celsius. December also tends to get slightly cooler toward the end of the month, especially after sunset.

Want to make the most of La Paz’s pleasant December weather? Enjoy the coastal scenery aboard a private sailboat tour to Espíritu Santo Island, where you can explore beautiful waters, admire stunning island landscapes, and encounter sea lions along the way.

La Paz December Weather at a Glance

Light shirts, shorts, and comfortable shoes work well during the day. However, carry a sweater or light jacket for breezy waterfront evenings and early morning boat trips.

3. Temperature Trends in December in La Paz (2021 to 2025)

December temperatures in La Paz have varied between 2021 and 2025, showing why winter conditions aren't identical every year. According to WeatherSpark's historical weather records, temperature comparisons use observations from Manuel Márquez de León International Airport.

You can explore daily highs, lows, and temperature fluctuations across these five Decembers. Although these records offer useful insight into past conditions, five years cannot establish a long-term climate trend. They can help you plan your trip, but actual temperatures may differ.

4. Does It Rain or Get Windy in La Paz in December?

Weather in La paz in December is usually dry, with plenty of sunshine and occasional chances of rain. However, wind deserves more attention than rainfall, especially if you're planning activities on the Sea of Cortez.

Seasonal northerly winds can create choppy conditions in exposed areas, although not every December day is windy. These changing conditions can affect boat departure times, passenger comfort, and certain island itineraries.

Before heading onto the water, keep these tips in mind:

• Check the marine forecast

Look at wind speeds, wave heights, and expected changes throughout the day.

• Confirm your boat tour

Contact your operator shortly before departure to check for schedule or route changes.

• Plan catamaran trips carefully

Ask the crew about expected winds and sea conditions, especially for longer excursions.

Calmer days can still offer enjoyable boating conditions, but flexibility helps when winter winds pick up.

Planning to explore the Sea of Cortez in December? On calmer days, an all-inclusive boat tour to Espíritu Santo Island is a great way to enjoy beautiful coastal scenery and explore the island's natural beauty. Just check the weather conditions with your tour operator before heading out.

5. Can You Swim and Snorkel in La Paz in December?

Yes, you can still swim and snorkel in La Paz in December, but be prepared for cooler water. Sea temperatures usually sit around 22°C to 23°C (72°F to 73°F). You might find the first dip refreshing, although staying in for too long can leave you feeling chilly.

Balandra Bay is a popular choice if you prefer calm, shallow water and a relaxed beach day. If snorkeling is on your list, Espíritu Santo Island is worth considering for its marine life and underwater scenery. Just check local access and conditions before planning your visit.

December can also bring opportunities to see sea lions and seasonal whales, although sightings depend on nature. A wetsuit is worth considering, especially if you plan to spend more time snorkeling. Don't let the warm afternoon sunshine fool you. The water can feel quite different once you jump in! Thinking about snorkeling in December? Read our La Paz snorkeling guide to discover the best months, popular snorkeling spots, and marine life you might encounter.

Want to enjoy La Paz’s beautiful waters this December? Explore Balandra Bay on a luxury catamaran tour with snorkeling and lunch. It’s a relaxing way to take in the coastal scenery, enjoy time on the water, and go snorkeling when conditions are suitable.

6. What Should You Pack for La Paz in December?

Packing for La Paz in December is pretty straightforward, but don't fill your suitcase with summer clothes alone. The afternoons are usually warm enough for shorts and T-shirts, while mornings and evenings can feel surprisingly cool. If you're planning boat trips or beach outings, a few extra layers will come in handy.

Here's what you should pack for your December trip:

• Lightweight T-shirts

• Breathable shirts

• Shorts and comfortable trousers

• Swimwear

• Light jacket or sweater

• Wind-resistant jacket

• Comfortable walking shoes

• Sandals or flip-flops

• Sun hat and sunglasses

• Reef-safe sunscreen

• Reusable water bottle

• Dry bag

• Beach towel

• Snorkeling gear and wetsuit (if not provided)

If you're booking a snorkeling tour, check whether the operator provides wetsuits and equipment beforehand. Packing a mix of light clothing and warmer layers will keep you comfortable throughout your trip.

7. When Is the Best Time in December to Plan Outdoor Activities?

If you want less crowded beaches and less people around La Paz, early December is a good time to go. Relax and enjoy the popular attractions before the Christmas and New Year holidays. If you are visiting during the festive season, make sure you book early for popular activities so you don’t miss out.

December is a good time to sightsee, go to the beach and explore the Sea of Cortez with mild days. If you want to take in the coastal scenery and nearby islands, you should also consider catamaran trips. But you probably don’t want to plan every outdoor activity too far in advance. Weather can change, especially when you're out on the water. 

Before heading out, check the latest forecast and allow for a day of activities that depend on good conditions. This allows you to have more flexibility to enjoy your trip without rushing your plans.

Final Thoughts

The weather in La Paz in December is perfect for travelers who enjoy mild temperatures, sunny afternoons, and outdoor activities. Enjoy beautiful beaches, take a walk along the waterfront or just relax on the Sea of Cortez without the intense summer heat. The relaxed atmosphere of winter makes sightseeing very pleasant.

But be warned, the sea water can be a bit cool and the occasional wind can spoil your plans. Check the current weather forecast and schedule your outdoor activities for the best weather possible for a more pleasurable trip.

Frequently Asked Questions

Is December a good time to go to La Paz?

Yes, December is a good time to visit La Paz if you like nice weather, sunny afternoons and outdoor activities. Just anticipate sea water and cooler evenings.

Is La Paz sunny in December?

Yes, La Paz receives plenty of sunshine in December, with relatively little rain. Most days are good for beach-going, sightseeing and waterfront exploring.

Is December warmer in La Paz than January?

Yes, December is usually a little warmer than January in La Paz. Daytime temperatures are pleasant in both months, but January generally has cooler mornings and evenings.

Can you swim in La Paz in December?

Yes, swimming is possible in December, although seawater temperatures around 22°C to 23°C can feel chilly. If you prefer warmer water, consider wearing a wetsuit.

Does La Paz get cold at night in December?

Evenings and early mornings can be quite cool and temperatures frequently drop into the mid teens Celsius. Bring a light jacket for waterfront walks and dining outside.