Osa Peninsula
The Osa Peninsula makes up much of the southern Pacific coastline of Costa Rica. Here, lowland rainforests merge with mountainous terrain and isolated beaches. This patchwork of greenery houses some of Costa Rica's most endangered plant and animal species, and is considered one of the most biologically intense places on earth.
Facts
- Location : 205 miles from San Jose
- Altitude : Sea level
- Weather : Hot, humid and rainy at times
- Average Yearly Temperature : 71-93 F
Gallery
Vacation Packages
4 Day Nature & Wildlife Costa Rica
Visit the Osa Peninsula to see nature and wildlife that is famed for its immense biodiversity. Osa Peninsula, such a small area, contains 5% of all the world's species. You can also help protect and conserve the ...
Continue7-Day Steamy Greenie
Experience the most famed and biologically diverse forests (3% of the world) and pristine beaches of Costa Rica: day-and-night wildlife watching above and below the sea in the Osa Peninsula; swim, sunbathe and play in ...
ContinueTours
Frog Tour
Pack your adventurous side when you hike the rainforest after dark to see species of nocturnal reptiles, birds, butterflies, bugs, crabs, frogs and other amphibians.
ContinueSierpe River Mangrove Forest Boat Tour
Iguanas sunning their cold-blooded bodies, colorful birds perching high and low, and spider monkeys leaping daringly back and forth across the river occupy the branches of tall Mangrove trees that surround you while ...
ContinueAttractions
Cano Island Biological Reserve
Cano Island is part of a mountain, or what's left of one. Like some dystopian biblical future, the island's 740 acres are the peak of an underwater mountain formed during the violent collision of tectonic plates along ...
ContinueCorcovado National Park
Corcovado National Park is one of the few places in the world that truly merits the phrase teeming with wildlife. National geographic named it "the most biologically intense place on Earth" with good reason. Its ...
ContinueLast updated: Nov 3, 2023
Experiences in Osa Peninsula
82°F 
84°F Osa Peninsula Yearly Temperatures
| Month | Highs | Lows | Average |
|---|---|---|---|
| Jan | 90.5 | 71.78 | 81.14 |
| Feb | 91.94 | 71.6 | 81.86 |
| Mar | 93.02 | 73.04 | 82.94 |
| Apr | 91.22 | 74.12 | 82.58 |
| May | 89.24 | 73.94 | 81.68 |
| Jun | 88.88 | 73.94 | 81.5 |
| Jul | 88.52 | 73.4 | 80.96 |
| Aug | 88.88 | 73.58 | 81.14 |
| Sep | 87.98 | 73.22 | 80.6 |
| Oct | 85.82 | 73.22 | 79.52 |
| Nov | 86.72 | 73.22 | 80.06 |
| Dec | 88.7 | 72.32 | 80.6 |
Osa Peninsula Rainfall
| Month | Rainfall | Humidity | Rainy |
|---|---|---|---|
| % | Days | ||
| Jan | 2.14 | 83 | 12 |
| Feb | 1.43 | 80 | 7 |
| Mar | 2.79 | 80 | 11 |
| Apr | 7.19 | 84 | 18 |
| May | 16.42 | 87 | 26 |
| Jun | 14.69 | 87 | 25 |
| Jul | 13.98 | 88 | 26 |
| Aug | 16.46 | 88 | 28 |
| Sep | 17.96 | 88 | 27 |
| Oct | 27.62 | 90 | 28 |
| Nov | 17.94 | 90 | 27 |
| Dec | 6.65 | 86 | 20 |