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Osa Peninsula

Peninsula · Puntarenas Province, 🇨🇷 Costa Rica
Area 1,436 km²
Time zone America/Costa_Rica
Osa Peninsula

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José R. / CC BY 3.0

Península de Osa: The Absolute Essentials

The Osa Peninsula contains one of the world's most intense biological corridors, anchored by Corcovado National Park. This remote region features the Sirena Ranger Station, a hub for spotting tapirs and pumas, and Drake Bay, the primary maritime entry point. Protected areas like the Preciosa-Platanares Wildlife Refuge and Jardin Botanico Herrera preserve primary rainforest and coastal habitats, while King Luis waterfall offers a 100-foot drop into a jungle pool near the peninsula's southern tip.

11 places

Osa Peninsula — Map

Osa Peninsula — Map

Climate & when to visit

Select a month

Typical weather in January

Fair
  • 28° (feels like 31°) · extremes 25°–30°
  • 27° at night
  • 13 rainy days
  • 19 sunny days
  • 8 hours of sunshine per day
  • Oppressive humidity
  • Calm winds
  • UV index 10 · very high

Typical weather in February

Good
  • 29° (feels like 32°) · extremes 26°–31°
  • 27° at night
  • 10 rainy days
  • 21 sunny days
  • 9 hours of sunshine per day
  • Oppressive humidity
  • Calm winds
  • UV index 11 · extreme

Typical weather in March

Fair
  • 29° (feels like 32°) · extremes 26°–31°
  • 28° at night
  • 13 rainy days
  • 19 sunny days
  • 8 hours of sunshine per day
  • Oppressive humidity
  • Calm winds
  • UV index 12 · extreme

Typical weather in April

Poor
  • 29° (feels like 32°) · extremes 26°–31°
  • 27° at night
  • 21 rainy days
  • 7 sunny days
  • 6 hours of sunshine per day
  • Oppressive humidity
  • Calm winds
  • UV index 10 · very high

Typical weather in May

Poor
  • 28° (feels like 31°) · extremes 26°–29°
  • 27° at night
  • 29 rainy days
  • 3 sunny days
  • 5 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • UV index 9 · very high

Typical weather in June

Poor
  • 28° (feels like 31°) · extremes 26°–29°
  • 27° at night
  • 29 rainy days
  • 1 sunny day
  • 5 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • UV index 8 · very high

Typical weather in July

Poor
  • 27° (feels like 31°) · extremes 25°–29°
  • 26° at night
  • 30 rainy days
  • 2 sunny days
  • 5 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • UV index 8 · very high

Typical weather in August

Poor
  • 27° (feels like 30°) · extremes 25°–29°
  • 26° at night
  • 30 rainy days
  • 1 sunny day
  • 5 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • UV index 9 · very high

Typical weather in September

Poor
  • 27° (feels like 30°) · extremes 25°–28°
  • 26° at night
  • 30 rainy days
  • 2 sunny days
  • 5 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • UV index 9 · very high

Typical weather in October

Poor
  • 27° (feels like 29°) · extremes 25°–28°
  • 26° at night
  • 30 rainy days
  • 1 sunny day
  • 4 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • UV index 8 · very high

Typical weather in November

Poor
  • 27° (feels like 29°) · extremes 25°–28°
  • 26° at night
  • 28 rainy days
  • 2 sunny days
  • 5 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • UV index 8 · very high

Typical weather in December

Poor
  • 27° (feels like 30°) · extremes 25°–29°
  • 26° at night
  • 23 rainy days
  • 12 sunny days
  • 7 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • UV index 9 · very high

Climate data: NASA POWER (MERRA-2) · 1996–2025

Practical information

Currency
Costa Rican Colón CRC ₡ · Card payments · Commonly accepted
Emergency numbers
911
Electricity
Type A / Type B
120 V · 60 Hz
Languages
Spanish
Tap water
Safe to drink
Driving side
Right
Calling code
+506
Learn more

Tours & Activities

Corcovado National Park
Drive
Jardin Botanico Herrera
Drive
Bahia Drake

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Related destinations

Puntarenas Province

Other Destinations

Quepos Jacó Golfito Tárcoles Puerto Jiménez Bahía Ballena Sierpe Bahía Drake Isla de Chira Mal País

Data: © OpenStreetMap contributors, Wikidata, Wikipedia, Tripomatic, Official websites.