The Ultimate Costa Rica In December Guide: 7 Reasons Why It's The Perfect (But Pricey) Time To Visit

Planning a trip to Costa Rica in December 2025? You are aiming for one of the most exciting and transitional months of the year, often called the "sweet spot" for travelers. This month marks the highly anticipated shift from the long rainy season (or *invierno*) to the glorious dry season (*verano*), transforming the Pacific coast into a sun-drenched paradise just in time for the holidays.

However, this perfect timing comes with a catch: December is a month of two halves. The first two weeks offer a brief window of lower prices and fewer crowds, while the second half—especially the Christmas and New Year's weeks—ushers in peak season, bringing with it soaring costs, packed resorts, and a whirlwind of unique cultural festivals. Knowing which half to book can save you hundreds of dollars and define your entire *Pura Vida* experience.

Costa Rica in December: The Weather and Regional Breakdown

December is a month of stark climatic contrast between the two coasts, making regional planning essential for a successful trip. Understanding this transition is the key to packing correctly and choosing the right destination.

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• Pacific Coast (Guanacaste, Nicoya Peninsula, Manuel Antonio): This region experiences the most dramatic improvement. The first half of December is the tail end of the rainy season, meaning you may still encounter brief, afternoon showers, but the heavy, all-day rains are largely gone. By the second half of the month, the dry season is firmly established, bringing reliable sunshine and clear skies. Average daytime temperatures range from 75°F to 88°F (24°C to 31°C).
• Central Valley (San José, Monteverde): The Central Valley and mountainous regions, including the cloud forests of Monteverde, see a significant reduction in rainfall, making conditions excellent for hiking and zip-lining. Temperatures are cooler, averaging 60°F to 75°F (16°C to 24°C).
• Caribbean Coast (Puerto Viejo, Tortuguero): Unlike the Pacific, the Caribbean coast does not follow the same weather pattern. December is often one of its rainier months, with high humidity and frequent precipitation. While you can still have sunny days, a trip to the Caribbean is a riskier bet for sun-seekers in December.

Travel Tip: For guaranteed sunshine, focus your itinerary on the Pacific Coast destinations like the beaches of the Nicoya Peninsula or the stunning Manuel Antonio National Park. If you visit in the first two weeks, you’ll enjoy lush, green landscapes before the tropical dry forest starts to brown.

5 Must-Experience Costa Rican Festivals and Events in December

December is the most festive month on the Costa Rican calendar, packed with unique cultural celebrations that blend Spanish colonial traditions with local *Tico* flair. Planning your trip around these events offers a deep dive into the country's vibrant culture.

1. Festival de la Luz (Festival of Lights)

Held in early to mid-December in the capital city of San José, this event officially kicks off the holiday season. The festival features a spectacular parade of illuminated floats, marching bands, and fireworks, drawing hundreds of thousands of spectators to the city center. It’s a quintessential urban Costa Rican experience.

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2. Fiesta de los Negritos

For a truly unique cultural experience, travel to the indigenous village of Boruca in the Brunca region. This festival, also held in early December, is a vibrant celebration that combines indigenous rituals with Catholic traditions. It is less tourist-focused than the San José events, offering an authentic glimpse into local life.

3. El Tope Nacional (The National Horse Parade)

Held annually on December 26th in San José, this is one of the most iconic events of the year. Thousands of riders (*sabaneros*) from all over the country converge on the capital for a massive, spectacular equestrian parade. It marks the beginning of the *Festejos Populares* (Popular Celebrations) and is a must-see for anyone in the Central Valley post-Christmas.

4. Fiestas de Zapote

Starting on Christmas Day (December 25th) and running until early January, the *Fiestas de Zapote* transform the San José suburb of Zapote into a massive carnival. This event is famous for its mechanical rides, food stalls, and the legendary *Los Toros a la Tica*. Unlike traditional bullfighting, this is a non-lethal, highly entertaining event where amateur bull riders and participants try to dodge the bulls.

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5. Christmas and New Year's Celebrations

The entire month is filled with holiday cheer. Families decorate with traditional Nativity scenes (*portal*), and towns host Christmas parades with floats and marching bands. New Year's Eve is celebrated with fireworks, family gatherings, and traditional foods like tamales wrapped in banana leaves.

Navigating the December High Season: Crowds, Costs, and Crucial Advisories

While the weather is fantastic, the logistics of a December trip require careful planning. The second half of the month is the beginning of the most expensive and busiest travel period of the year.

The "Sweet Spot" and Peak Season Pricing

The first two weeks of December are the perfect "shoulder season" sweet spot. You benefit from the improving weather, lush landscapes, and lower rainfall, all while still enjoying lower-season pricing for accommodations and tours.

However, from approximately December 15th onwards, prices for flights, hotels, and rental cars can easily double or even triple, especially around Christmas and New Year's. Availability also becomes extremely limited, so booking all accommodations and major tours at least 3-6 months in advance is mandatory to avoid disappointment and exorbitant last-minute fees.

Current Travel Advisory (Important Update)

As of late 2025, the U.S. Department of State maintains a Level 2 Travel Advisory for Costa Rica, which recommends travelers Exercise Increased Caution due to crime. Recent alerts have specifically mentioned increased criminal gang activity.

While millions visit safely every year, travelers—especially those in San José and other high-traffic tourist areas—should be vigilant. Common crimes include petty theft, muggings, and car break-ins. It is crucial to use common sense, avoid walking alone at night, and never leave valuables unattended, particularly in rental cars.

Top 5 December Activities and Destinations (Entities)

With the transition to the dry season, December is an ideal month for high-octane adventure and exploring the country's world-renowned biodiversity.

1. Corcovado National Park (Osa Peninsula): Often called the "most biologically intense place on Earth," December is an excellent time to visit before the heat and crowds of January fully arrive. The trails are drier, making for better hiking and wildlife spotting.
2. Arenal Volcano & La Fortuna: The weather here is superb in December, perfect for exploring the rainforest, soaking in the natural hot springs, and enjoying adventure activities like zip-lining and canyoning.
3. Nauyaca Waterfalls: Located near Dominical, the hike or horseback ride to these stunning falls is a popular activity. December’s reduced rainfall means the trail is less muddy, but the falls are still full and powerful from the preceding wet season.
4. Snorkeling and Diving at Caño Island: The waters off the Osa Peninsula become clearer as the dry season begins, offering fantastic visibility for snorkeling or diving with marine life, including turtles and reef sharks.
5. ATV Rides in the Rainforest: With the ground drying out, December is a great time to take an ATV tour through the rainforest and mountains, especially along the Pacific coast, providing an adventurous way to see the landscape.

In summary, a trip to Costa Rica in December offers the perfect blend of improving weather and vibrant culture. Book early, be aware of the regional weather differences, and prepare for a festive, unforgettable experience!