Things to Do in Costa Rica in July

July's rains turn Manuel Antonio's forest canopy into a dense, dripping ceiling of green. Wildlife responds in kind. White-faced capuchins swing through wet branches close enough that you hear bark crack under their grip. Three-toed sloths cling to cecropia trees at eye level along the main trail. The forest floor hums with red-eyed tree frogs calling from bromeliads. Humidity wraps around you the moment you step under the canopy. Thick. Warm. Carrying the smell of wet earth and rotting leaves. Morning walks starting when gates open give you clearest skies and most animal activity. By early afternoon, rain moves in and the park empties. Those first two hours belong to you and a fraction of the usual crowd. Licensed naturalist guides with spotting scopes make the difference. They turn a handful of obvious animals into tiny glass frogs and camouflaged eyelash vipers you would walk right past alone.

There is something almost absurdly satisfying about sinking into a volcanically heated pool while warm rain falls on your shoulders and clouds part just long enough to reveal Arenal's cone above the treeline. July's afternoon rains make the hot springs better, not worse. The contrast between cool raindrops on your scalp and mineral-heated water, ranging from pleasantly warm to almost too hot depending on the pool, is sensory layering that dry-season visitors miss entirely. Morning hikes on old lava trails around Arenal's base tend to be clear. The hanging bridges through surrounding rainforest are at their most atmospheric when slicked with rain, toucans calling overhead, air heavy with the green smell of wet leaves. La Fortuna sits at roughly 250 m (820 ft) elevation. Temperatures run a few degrees cooler than the coast. The air feels noticeably fresher. Save the hot springs for rainy afternoon hours when outdoor hiking becomes impractical anyway.

Rio Celeste lives up to its name. The river runs an almost unnatural shade of turquoise, a geological reaction between volcanic minerals and the water that intensifies when rain-fed currents widen and deepen the channel in July. Tubing the river is a low-skill, high-reward experience: you sit in an inflated tube, hold on, and let the current carry you through Tenorio Volcano National Park's old-growth forest while the canopy closes in so tightly overhead that the rain barely reaches you on the water. The current is cool but not cold, and the forest air smells of wet wood and volcanic sulfur. The famous waterfall, a 30 m (98 ft) cascade of that same impossible blue, hits peak volume in July, the spray soaking you from 15 m (49 ft) away and carrying the mineral-sharp scent of the volcanic source. The trail down to the waterfall base turns slippery in green season, mud over roots over rocks, so proper closed-toe shoes with grip matter more here than almost anywhere else in Costa Rica.

Tortuguero's Caribbean coast ranks among the most important sea turtle nesting sites in the Western Hemisphere, and July is when green turtles begin arriving in serious numbers. The experience is raw and humbling: you walk the black volcanic sand in near-total darkness, guided by a certified naturalist using a red-filtered light, the crash of waves filling one ear while the other picks up the surprisingly loud sound of a 150 kg (330 lb) turtle dragging herself up the beach to dig her nest. The entire process, from the digging to the egg-laying to the labored crawl back to the surf, takes about ninety minutes, and you watch in silence close enough to see sand fly from her rear flippers. Tortuguero is reachable only by boat or small plane, which keeps it remote and the nesting beaches intimate. The canal journey in winds through lowland jungle where caimans slide off mudbanks and herons stand motionless in the shallows, the water stained the color of black tea by tannins. It rains more here than the Pacific side in July. But the salt air and the wet sand and the jungle all arrive at once, and the rawness is the point.

Monteverde sits at roughly 1,400 m (4,593 ft) in the Tilaran mountain range, and in July the cloud forest lives up to its name with an intensity that borders on theatrical. Clouds move through the canopy at walking pace, mist condensing on every leaf and dripping onto hanging moss until the whole forest sounds like quiet rainfall even when no storm is overhead. Morning temperatures hover around 18 degrees C (64 degrees F), cool enough that you want a light jacket, and the air smells of damp wood, orchids, and the faintly sweet rot of fallen fruit. The resplendent quetzal, the iridescent green-and-red bird that put Monteverde on the naturalist circuit, is easier to spot in green season because the males perch conspicuously on fruiting aguacatillo trees. Hanging bridges and canopy walkways suspended 40 m (131 ft) above the forest floor give you the vertigo-inducing perspective of looking down into the mist rather than up at it. The unpaved road climbing to Monteverde is notoriously rough in rainy season, rutted and slick with mud, and while passable in a standard SUV, a proper four-wheel-drive vehicle takes the stress out of the ascent.

Costa Rica's Pacific coast catches consistent south swells in July, and the combination of warm water, forgiving beach breaks, and uncrowded lineups makes it one of the best months in the year for learning to surf. Tamarindo and Playa Samara both offer gentle, rolling waves that break over sandy bottoms, the kind of forgiving conditions that let beginners stand up in their first session without worrying about reef below. Water temperature sits around 27 degrees C (81 degrees F), warm enough to skip the wetsuit entirely and paddle out in just a rash guard. Green season thins the student count in the water, so you get more waves, more space to wipe out without landing on another learner, and more one-on-one attention from your instructor. Mornings tend to be offshore, wind blowing from land to sea, which cleans up wave faces into the smooth glassy walls you see in surf photos. By afternoon the wind shifts onshore, the rain rolls in, and the surf chops up, sending most schools back to shore. Plan to be in the water by 7 AM and done by noon, then spend the afternoon in a hammock listening to the rain on a tin roof.