Best Time for Birdwatching in Monteverde, Costa Rica

A quick read on what a visit in any given month actually looks like on the ground, before the quetzal and bellbird calendars below go into more depth.

No two adjacent months read as identical here, but the closest overlap is June and July, when both headline species are still active even as the wet season is already underway. The clearest divide on the calendar isn't birds at all, it's crowds: the dry season months from December through April carry noticeably more visitors than the wet season stretch from May through November.

Monteverde's dry season runs roughly December to April and the wet season May to November, with September and October the wettest months of the year. Mornings are typically the clearest part of the day in both seasons, and cloud or mist moving through the canopy is normal at any time of year, the reserves themselves treat it as part of the experience rather than a flaw in the trip.

Santa Elena Cloud Forest Reserve publishes humidity above 90% year round, which is a fair summary of what to expect on any trail in the cluster of reserves. The dry season's advantage for birding is comfort more than species count: drier trails, less mud, and generally clearer skies for spotting movement in the canopy. The wet season's advantage is quieter reserves and lush, active vegetation, with rain that tends to arrive in the afternoon rather than washing out a morning walk.

Neither season is the wrong one to book, they simply trade different things: comfort and crowds against quiet and cover.

The resplendent quetzal breeds in Costa Rica from March to June, extending in some years from February into July. During that window pairs nest in a cavity in rotted wood, often an old woodpecker hole, laying two eggs that both parents incubate for about 18 days before the young fledge roughly a month later. Some pairs manage two clutches in a season.

This is the window when a guide's morning is built around a known nest tree rather than a hopeful scan of the canopy.

Quetzals are altitudinal migrants. A radio-telemetry study at Monteverde by Powell and Björk, published in Bird Conservation International, tracked birds breeding high on the divide and then moving downslope to Pacific and Caribbean premontane forests once breeding ends, following the fruiting of wild avocados in the laurel family. The practical read for a visitor: birds are concentrated and easiest to find around the reserves during the breeding months, and thinner and more scattered afterward, not gone for good.

For what the bird actually looks like and where each reserve's known nest sites tend to sit, see our cloud forest birds guide.

The three-wattled bellbird is reported present and calling in Monteverde roughly March to July, with peak calling most often reported in May and June. Like the quetzal, it is an altitudinal migrant: birds move to lowland forests of northern Costa Rica and Nicaragua for the rest of the year. Males call from high exposed perches, repeatedly, through most of the daylight hours, which is exactly why a guide can often locate one by ear well before it's visible in the canopy.

May and June overlap the tail end of quetzal breeding and the peak of bellbird calling, which makes late spring the single busiest stretch on the calendar for the two headline species at once, even as the wet season is already beginning.

A compact version of the calendar above, species first rather than month first. Our cloud forest birds guide carries the full species-by-species detail; this table is only the seasonal shorthand.

Temperatures in the cloud forest are cool for the tropics, commonly in the high teens Celsius by day, roughly 17 to 20 degrees, and cooler still with wind on the Continental Divide. December through February brings the trade winds, and that's a real birding factor: exposed ridges get gusty in those months and birds tend to sit low in cover rather than working the open canopy, so a guide will often shift a route toward more sheltered trail sections.

Cloud and mist can roll through at any time of year and in either season, and the reserves themselves treat it as normal rather than a sign of bad conditions. The single weather variable that changes a morning the most, across every season, is wind, not rain. A calm, overcast morning in October can produce as much bird activity as a bright, dry morning in March; a gusty morning on the divide in January can be quieter than either, whatever the calendar says about season.

If you can only pick one window, March to June is the honest answer, not because the rest of the year is poor for birding but because it's the only stretch that stacks quetzal breeding, bellbird calling and reasonably dry trails on top of each other. December through April still works well for anyone prioritizing comfort over the two headline species, and the quieter, wetter months from September to November suit a visitor who'd rather have the trail to themselves.

Whichever month you land in, the bird watching tours Monteverde compared on this site run early, and the reserves themselves are covered in more detail, fees, hours and which one suits your morning, on our comparison of Monteverde's four reserves. If quetzals are the whole reason for the trip, our quetzal tour guide goes deeper on that specific morning.