Best Time to Visit Costa Rica: Central Pacific Guide

The short answer: December through April gives you the most reliable weather. But the Central Pacific isn’t like most tropical destinations: the “best” month depends entirely on what you’re coming for.

Visiting Jacó or Playa Hermosa for the surf? Green season (May–October) is when the serious swells arrive. Fishing Los Sueños for sailfish? Dry season (December–April) is your window. Watching olive ridley turtles nest on Playa Hermosa? That only happens July through December. Coming for the Triple Crown tournament? The marina doesn’t come alive until January.

Most Costa Rica travel guides give you a single answer and call it done. This one won’t: because this region, specifically the 30 miles of coast from Los Sueños to Jacó to Playa Hermosa, rewards planning by what you actually want to do.

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Month-by-Month: Central Pacific at a Glance

Month	Weather	Surf (Jacó / Playa Hermosa)	Fishing (Los Sueños)	Wildlife	Crowds	Rates
Jan	☀️ Sunny, dry	Small–medium, clean	🎣 Peak sailfish, Triple Crown Leg 1 (late Jan)	Macaws nesting	High	Peak
Feb	☀️ Best weather	Small–medium, glassy	🎣 Peak sailfish, Triple Crown Leg 2	Macaws nesting	Very High	Peak
Mar	☀️ Warmest month	Picking up	🎣 Sailfish, Triple Crown Leg 3	Macaws nesting	Very High	Peak
Apr	⛅ Transition, first rains	Good, growing swells	Good – sailfish winding down	Macaws through April	High → Med	Shoulder
May	🌧️ Rains begin (afternoons)	🏄 Solid swells	Marlin + dorado building	Quiet	Low	Low
Jun	🌧️ Afternoon rains, lush	🏄 Excellent, consistent	Marlin + dorado + wahoo	Quiet	Low	Low
Jul	🌧️ Heavy rains, very green	🏄 Big, powerful	Marlin peaks	🐢 Turtles begin	Low–Med	Low
Aug	🌧️ Heavy rains	🏄 Big, powerful	🎣 Marlin + tuna	🐢 Turtles active	Low–Med	Low
Sep	🌧️ Rainiest month	Largest swells, rough	🎣 Marlin + tuna	🐢 Turtles peak	Very Low	Lowest
Oct	🌧️ Very wet, breaking	Large, choppy	🎣 Tuna, dorado	🐢 Turtles + hatchlings	Very Low	Lowest
Nov	⛅ Rains easing	Shoulder, variable	Good all-around	🐢 Last hatchlings	Low	Low
Dec	☀️ Dry returns mid-month	Small–medium, clean	🎣 Sailfish building	—	Med → High	Shoulder → Peak

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Dry Season: December Through April

The dry season on Costa Rica’s Central Pacific coast runs from December through April, with late November feeling transitional in some years. December through March is the core: days are consistently sunny, humidity drops, and the Pacific calms down. Temperatures sit in the low-to-mid 80s°F (28–32°C). April is a transition month; most years it stays dry through mid-April before afternoon showers begin creeping in.

What to expect:

Mornings are clear and warm. Offshore breezes arrive by midday, which keeps the heat bearable on the beach but makes the water choppier for surfing. The sky turns deep blue, sunsets are spectacular, and dust from unpaved roads reminds you this is a real working coast, not a resort simulation.

The marina at Los Sueños is at full capacity from January through March. Tournament season runs January through March for the Los Sueños Signature Triple Crown: three separate legs of one of the most competitive billfish tournaments in the world. If you’re visiting during a tournament week (late January, late February, mid-March), book your accommodations and boats well in advance. The marina village comes alive with weigh-ins, team dinners, and fishing talk.

Jacó’s main beach is walkable, the surf schools are running full classes, and every restaurant on the main strip has seats outside. Playa Hermosa’s breaks are smaller and more manageable during dry season: good for intermediate surfers who want to work up to the beach’s power without getting crushed.

The tradeoff:

Everything costs more, often 30–50% above green season rates. The most popular villas book months ahead. The best fishing charters fill up around tournament dates. Semana Santa (Holy Week, late March/early April) is Costa Rica’s biggest domestic travel week; Josefino families descend on the coast en masse, beaches get packed, and properties sell out entirely.

Best for: Families wanting predictable beach weather, fishing groups targeting sailfish, first-time visitors, anyone who won’t tolerate afternoon rain.

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Green Season: May Through October

The Central Pacific green season is not a compromise. For certain types of travelers, it’s the better trip.

The rain pattern is predictable and manageable. Mornings are usually clear or partly cloudy with temperatures in the upper 70s°F (25–27°C). Sometime in the afternoon, typically 2–5pm, a proper tropical rainstorm arrives. It rains hard for 30 to 90 minutes. Then it clears, often into an orange-lit evening. You adjust your schedule and the rain barely touches your day: surf at 6am, fish until noon, play golf in the morning, let the rain happen while you eat lunch.

September is the exception. This is the wettest month, with more rain earlier in the day and less predictable windows. It’s not unmanageable, but September requires the most flexibility.

The coast goes intensely green. The jungle around Los Sueños and behind Playa Hermosa saturates to a color that doesn’t exist in December. Waterfalls that were barely running in March now cascade full.

What green season is actually best for:

Surf. The Pacific swells that power the Central Pacific’s best surf arrive during the rainy season. Southern hemisphere storms from May through October push long-period south swells directly into Playa Hermosa and Jacó. June through September produces the most consistent powerful waves of the year: head-high or bigger, with the hollow barrels that Playa Hermosa’s national surf circuit events are built around. The National Surf Circuit Grand Final comes to Playa Hermosa every July specifically because these are the best waves of the year.

Offshore fishing. Los Sueños’s full fishing season shifts in June from sailfish to blue marlin, dorado (mahi-mahi), yellowfin tuna, and wahoo. The billfish variety and volume during July through October is exceptional: experienced captains often call this their favorite fishing of the year. Charter rates are also lower.

Budget. Rates drop significantly once the dry season crowd disperses after Easter. May and June hit a sweet spot: prices fall, but mornings are still clear enough for beach days, surfing, and wildlife. October and November are the cheapest months of the year.

Crowds. The beaches aren’t empty, but they’re not packed with weekend families from San José either. You can spread out on Playa Hermosa. You can walk into a restaurant without a reservation. You can get a tee time the same morning at La Iguana.

Turtles. The olive ridley sea turtle nesting season at Playa Hermosa runs July through December, with baby releases in October through December. More on this below.

Best for: Surfers, serious anglers, budget travelers, wildlife enthusiasts, anyone who’s been before and wants a different experience.

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Fishing: When to Go for What

Sport fishing at Los Sueños is productive every month of the year, but the target species changes dramatically.

December through April is peak sailfish season. The dry season brings calm seas and high sailfish concentrations within 8–12 miles of the marina. The Los Sueños Signature Triple Crown runs three legs across this window (late January, late February, mid-March), drawing the highest-caliber tournament fleet in Central America. If you want your best shot at a 20+ sailfish day or you want to fish around the tournament energy, this is when to go. The ocean is calmer, which matters if anyone on your boat is prone to seasickness.

June through October delivers the year’s most diverse offshore fishing. Blue marlin peak from June through September. Black marlin appear alongside them. Dorado (mahi-mahi) runs strong April through October. Yellowfin tuna and wahoo are consistent throughout. Some of the highest-volume days at Los Sueños happen during August and September: experienced captains have had their best-ever days in these months, on mornings when the sky looked grey and nobody expected much. The tradeoff is bigger ocean swells; these are not mornings for first-time offshore anglers with sensitive stomachs.

What doesn’t change: Inshore fishing for roosterfish, snapper, and jack is strong year-round, and a half-day inshore trip works for families or groups who want fishing without committing to a full offshore day.

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Surf: Best Months for Playa Hermosa and Jacó

Both Jacó and Playa Hermosa face southwest, which means they’re perfectly positioned to catch swells generated by southern hemisphere storms.

May through October is when those swells arrive. June through September is the peak: consistent, powerful, long-period south swells produce the best waves of the year. Playa Hermosa’s main break can be chest-to-overhead-high with hollow sections that hold their shape. These are not beginner waves. The full breakdown of Playa Hermosa’s surf conditions and breaks is in our surf guide.

Jacó during this same window can get sizeable, the beach has enough length that multiple peaks spread out and you can usually find a section that matches your level. Beginners should stick to the calmer north end; the central and south sections get fast and powerful in bigger swells.

November through April produces smaller, cleaner surf. Lower humidity means glassier morning conditions, and the lack of heavy rain makes for better visibility. These months are ideal for learners, for people who want consistent waist-to-chest surf without getting overwhelmed, and for intermediate surfers who want to actually improve rather than survive.

One local tip: Whatever month you’re here, surf before 9am. Onshore winds pick up by mid-morning and chop the surface. The best sessions (on any beach, in any season) happen at first light.

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Wildlife: Turtle Nesting at Playa Hermosa

The olive ridley sea turtle nesting season at Playa Hermosa is one of the most accessible and underrated wildlife experiences in Costa Rica, and most visitors don’t know it exists.

Female turtles crawl ashore at night from July through December to dig nests and lay 80–120 eggs each. Activity peaks around new moon phases when the beach is darkest. Conservation groups monitor the nests and run guided nighttime tours that follow strict protocols: no flashlights, no approaching turtles from the front, silence during nesting. It’s nothing like the staged photo-op you’d find elsewhere.

October through December is when eggs laid in July and August start hatching. Baby turtle releases happen at dawn: conservation groups announce them through @ReservePlayaTortuga on Instagram, often the night before. Watching 80 hatchlings make their way to the ocean at sunrise is the kind of thing that sticks with you.

A few practical notes: book through official conservation groups only. Unlicensed guides cut corners that disturb the turtles. Sections of the beach are roped off during nesting season: respect them. And if you’re staying in Jacó or Los Sueños, Playa Hermosa is 10 minutes south; this is a realistic evening excursion.

Separately: Carara National Park, 15 minutes north of Jacó, has its scarlet macaw nesting season from January through April. Early morning visits (6–9am) to the park during this window produce reliable macaw sightings in pairs and flocks over the Tárcoles River estuary.

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Events Worth Timing Your Trip Around

The events calendar for this coast skews heavily toward fishing tournaments and surf competitions. Here are the ones worth planning around:

Los Sueños Signature Triple Crown (January–March): Three legs of the most prestigious billfish tournament series in Central America, all based at Los Sueños Marina. Leg 2 runs late February, Leg 3 mid-to-late March. Even if you’re not fishing, tournament weeks have their own energy: weigh-ins, boat traffic, evening gatherings at Marina Village. See the full events calendar and destinations hub for this year’s exact dates.

Surfing Nights Series at Playa Hermosa (February, March, April): Monthly evening events combining surf heats, a BMX show headlined by Kenneth Tencio (4th at the 2020 Tokyo Olympics), a kickboxing competition, and live music until midnight. Free to watch. A perfect evening out if you’re staying nearby during high season.

Jacó Beach BBQ Block Party (early March): Three-day event at Jacó Walk featuring live music, gourmet BBQ, and the general celebratory energy of peak dry season. This is Jacó doing what Jacó does best.

Semana Santa / Holy Week (late March – early April): Costa Rica’s most important cultural and travel week. Beaches pack with families from San José. A genuinely festive scene: processions, traditional food, everyone at the beach, but accommodations sell out weeks ahead and traffic on the Route 27 highway is severe. Either book months in advance and embrace it, or plan around it.

Costa Rica National Surf Circuit Grand Final at Playa Hermosa (July): The national circuit’s highest-stakes event, with 2,500 ranking points and live broadcast on Canal 6. The best Costa Rican surfers competing in Playa Hermosa’s best waves. Worth watching.

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Practical Tips

Booking lead time:

• Peak weeks (Christmas–New Year’s, Semana Santa, Triple Crown legs): 3–6 months ahead. The best properties and boats sell out.
• Regular dry season (January–March): 4–8 weeks ahead for a good selection.
• Green season: Often available with 1–2 weeks notice, sometimes shorter. Rates and availability are much more flexible.

Pricing:

• Peak (Dec 20–Jan 5, Semana Santa): Highest rates, sometimes 50–70% above green season.
• High season (Jan–Mar): 30–50% above green season.
• Shoulder (Apr, Nov, early Dec): 15–25% below peak.
• Green season (May–Oct): 30–45% below peak. September and October are the cheapest months.

What to pack by season:

Dry season: Light clothing, SPF 50+ sunscreen, polarized sunglasses (mandatory for offshore fishing), wide-brim hat. One light layer for air-conditioned vehicles and restaurants. Dark volcanic sand gets scorching hot midday: water shoes or sandals for the beach.

Green season: A compact packable rain jacket (Patagonia Torrentshell or similar). Quick-dry everything. Bug repellent with DEET or picaridin, especially for dusk wildlife activities. Same sun protection; UV is intense even on overcast mornings. Waterproof dry bag or backpack for any boat activity.

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