The Best Time to Visit Costa Rica (Month-by-Month, 2026)

Forget winter and summer. In Costa Rica the only seasons that matter are dry and green, and they behave very differently.

The dry season runs mid-December through April. This is the peak: dependable sunshine on the Pacific side, clear views from Monteverde when the cloud forest briefly lifts, and the unpaved roads around Monteverde and the beaches at their most forgiving. Wildlife concentrates around shrinking water sources, which makes it easier to spot. The cost is real, though, prices climb 20-30%, and the Christmas-to-New-Year and Easter weeks book out six months or more ahead.

The green season runs May through November. It is cheaper, quieter and honestly lusher to look at, with the whole country saturated green. The key thing to understand is the rhythm: mornings are usually sunny and clear, and the rain rolls in as afternoon downpours that last one to three hours, so you simply plan activities for the morning and let the storms pass over lunch. It is not the washout people imagine.

The simple rule: dry season if you want guaranteed sun and don't mind the price and the crowds; green season if you want value, room to breathe and saturated landscapes, and you're happy to work around the afternoon rain.

January: peak dry season, reliable Pacific sun, 26-32°C in the lowlands. Busy and pricey after the New Year rush eases. Excellent all-round conditions.

February: the sweet spot. Dry, sunny, and slightly thinner crowds than the festive weeks, with prices off their absolute peak. One of the best months to travel.

March: still firmly dry and reliable, the driest stretch of all on the Pacific. Watch for Easter week (Semana Santa), which books out far ahead and crowds the beaches.

April: the dry season's tail, hot and dry early, with the first afternoon showers creeping in late month. Prices begin to soften. Late April is fine value with mostly dry days.

May: the green season opens. Lush, much quieter, prices down 20-30%. Mornings sunny, afternoon rain returning. Strong value with good weather.

June: green and warm, regular afternoon downpours, mornings often clear. Quiet and good value. A brief drier spell, the veranillo, sometimes lands late June into July.

July: the veranillo (little summer) often brings a drier window mid-month, plus the July-August family rush nudges flight prices up. Green and pleasant between the showers.

August: green season in full flow, regular afternoon rain, lush forest. Whale watching strong on the South Pacific (Marino Ballena) as humpbacks pass. Good value outside the family-travel weeks.

September: the wettest on the Pacific, where some beach towns half-shut, but the driest on the Caribbean. Cheapest prices of the year. The window for both coasts in one trip.

October: still wet on the Pacific, dry on the Caribbean. Quietest and cheapest. Green turtle nesting winding down at Tortuguero.

November: the green season's end, rain easing through the month, landscapes at their greenest. Prices still low early, climbing late as dry season nears. An underrated, lovely time.

December: the dry season returns mid-month. Early December is quiet and good value; from about the 20th, Christmas and New Year send prices and crowds to their yearly peak.

Costa Rica's wildlife runs on a calendar, and it differs sharply between the Pacific and Caribbean coasts, so timing matters more here than the weather alone.

Turtle nesting is the headline. At Tortuguero on the Caribbean side, green turtles nest July to October, with the peak in August and September, while leatherbacks come ashore March to May. Tortuguero is reachable only by boat or small plane, so it is a two-to-three-night side trip that adds €250-€400, but seeing a green turtle haul up the beach at night is unforgettable. On the Pacific side, the olive ridley arribadas, mass synchronised nestings of thousands of turtles at Ostional, run mainly July to December, peaking in the wetter months.

For whales, the South Pacific around Marino Ballena gets two humpback seasons: the southern-hemisphere whales pass roughly July to October, and a northern-hemisphere group December to March, so you have a good chance across much of the year.

For land wildlife, the dry season (December to April) concentrates animals around shrinking water and thins the foliage, which makes sloths, monkeys and birds easier to spot. The green season's denser growth hides more, but the forest is far more active and the birdlife richer. The resplendent quetzal is best looked for in the Monteverde and San Gerardo de Dota cloud forests during its breeding season, roughly February to July.

The standard first-timer's route, San José to Arenal to Monteverde to Manuel Antonio to a Guanacaste beach, works in any month, but the season changes how it feels on the ground.

February and March are the textbook best window for this loop. The Pacific stops (Manuel Antonio, Guanacaste) get dependable sun, Monteverde's mountain roads are at their easiest, and the views off the cloud forest open up more often. You pay for it with a 20-30% premium and busier parks, and you'll want to dodge Easter week.

Late April to early May and late October to early November are the value picks. You catch the shoulder between the seasons: mostly decent weather, lower prices, and far fewer people in the parks. Our pick if you want the classic route without the peak crowds or cost.

September and October suit travellers who want to fold in the Caribbean. The Pacific is at its wettest and a few beach towns wind down, but Tortuguero is in its driest spell and green turtle nesting is on, so a loop that leans east rather than west pays off.

The highlands (Monteverde, Chirripó, San Gerardo de Dota) stay cool at 10-18°C all year and the cloud forest earns its name most afternoons whatever the season, so pack layers regardless of when you come.

Flight pricing into Costa Rica tracks both the dry-season peak and the family-travel calendar, and the choice of airport matters, so it's worth planning the timing.

From Europe, fares peak from mid-December into early January and again over the July-August family rush. The February-March shoulder and October into early November are the cheapest windows, often €150-€250 below peak. There's nothing direct from Europe save Iberia's Madrid to San José (about ten hours, €600-€900); otherwise you connect via Miami, Atlanta, Houston or Madrid, for a total of thirteen to seventeen hours and off-peak fares of €650-€1,050. Book five to seven months ahead for the best fares, and longer still for Christmas or Easter.

From North America, San José (SJO) is well served direct from most US and Canadian hubs and is by far the cheapest origin: reckon on US$300-$550 / C$450-$750 return, just five to six hours away. Booking three to five months out is usually enough outside the festive and family-travel peaks.

From Australia, there's no short way in: you route through a US hub (commonly Los Angeles or Houston), so expect A$2,400-$3,400 return and the better part of a day in transit.

The airport choice shapes the trip: SJO is the main hub where most tours begin and sits closest to the Arenal-Monteverde-Manuel Antonio loop, while Liberia (LIR) serves the Guanacaste beaches and is handy if your trip leans coastal. Many operators and car-rental firms let you fly into one and out of the other for a modest drop-off fee.

For the best balance of weather and price, target late April to early May or late October to early November, book flights three to five months ahead, and book the tour four to six months ahead. Multiday.tours bundles the two so you see the combined price across those windows, with the live Kiwi fares held until you're ready to commit, rather than pricing flight and tour one at a time.