Puerto Manzanillo Weather in December
December in Puerto Manzanillo averages 28°C (82°F) during the day and 23°C (73°F) at night. December is part of the rainy season, with around 406 mm (16 in) of rainfall and frequent showers.
Rainfall in Puerto Manzanillo in December
Puerto Manzanillo is in the rainy season in December, with rain on around 17 days and an average of 406 mm (16 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.
Temperature in Puerto Manzanillo in December
Temperatures in Puerto Manzanillo in December top out at 28°C (82°F) and drop to 23°C (73°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 23°C (73°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Puerto Manzanillo in December
The area enjoys a balanced 145 hours of sunlight, ensuring it's neither too rainy nor too sunny.December in Puerto Manzanillo has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Puerto Manzanillo's climate page.
Puerto Manzanillo Temperature in December
Min Temperature
23°C (73°F)
Max Temperature
28°C (82°F)
Chance of Rain
58%
Precipitation
406 mm (16 in)
Rainy days
17 days
Humidity
88% *
Sunshine
145 hours *
Percentage Sunshine
*
Daily Historical Temperatures
42-year average (1976-2025)
Based on our historical records, temperatures in Puerto Manzanillo typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in December
Daily Historical Precipitation
42-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Puerto Manzanillo in December
Browse day-by-day weather records for Puerto Manzanillo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Puerto Manzanillo historical weather extremes in December
Based on weather observations in Puerto Manzanillo between 1999 and 2025, these are the recorded extremes during December.
- On December 3, 2006, temperatures climbed to 33°C (91°F), marking the warmest December day on record.
- The coldest December day was on December 15, 1999, with a maximum of 22°C (72°F).
- The coldest night in December in Puerto Manzanillo was on December 1, 2010, with a minimum of 15°C (59°F).
Best Places in Costa Rica in December
Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica in December →
perfect weather
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tolerable
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What to Wear in Puerto Manzanillo in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Puerto Manzanillo in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Puerto Manzanillo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Puerto Manzanillo climate overview or explore weather in Costa Rica.
