Carrillo Weather in December
December in Carrillo brings very high temperatures, with highs of 30°C (86°F) and nights dropping to 24°C (75°F). Expect some rainfall, with around 51 mm (2 in) typical for the month.
Rainfall in Carrillo in December
Past climate data indicates that roughly 11 days will see rain, totalling around 51 mm (2 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Carrillo in December
December in Carrillo brings very high temperatures, with highs of 30°C (86°F) and nights around 24°C (75°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Carrillo in December
Expect a lot of sunshine this month, with about 233 hours of sun. These sunny conditions add to the overall experience.If you prefer enjoying temperate temperatures and rain-free days, January, February and March typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Carrillo's climate page.
Carrillo Temperature in December
Daily Historical Temperatures
30-year average (1987-2025)
Based on our historical records, temperatures in Carrillo typically stay consistent throughout December, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in December
Historical weather for Carrillo in December
Browse day-by-day weather records for Carrillo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Carrillo historical weather extremes in December
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in Carrillo.
- The warmest day in December was on December 31, 2015, with a maximum of 32°C (90°F).
- The lowest daytime temperature in December was 25°C (77°F), recorded on December 20, 2010.
- The coldest night in December in Carrillo was on December 19, 2010, with a minimum of 23°C (73°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 →
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What to Wear in Carrillo in December
Warm but pleasant conditions in Carrillo in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Carrillo 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 Carrillo's climate page.
See the full Carrillo climate overview or explore weather in Costa Rica.