Jacó Weather in December
December in Jacó brings high temperatures, with highs of 28°C (82°F) and nights dropping to 24°C (75°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in Jacó in December
As part of the rainy season, Jacó sees around 13 days of rain in December, with an average of 190 mm (7.5 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in Jacó in December
December in Jacó brings high temperatures, with highs of 28°C (82°F) and nights around 24°C (75°F). This kind of day-to-night contrast is typical for this time of year. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Jacó in December
With approximately 233 hours of sunshine, the days are filled with clear skies during the day. Rain typically falls in the afternoon or evening, keeping mornings and early parts of the day sunny.If you prefer enjoying temperate temperatures and rain-free days, January and February 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 Jacó's climate page.
Jacó Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
28°C (82°F)
Chance of Rain
43%
Precipitation
190 mm (7.5 in)
Rainy days
13 days
Sunshine
233 hours *
Percentage Sunshine
*
Daily Historical Temperatures
44-year average (1976-2025)
Based on our historical records, temperatures in Jacó typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in December
Daily Historical Precipitation
44-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 Jacó in December
Browse day-by-day weather records for Jacó spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Jacó historical weather extremes in December
The extremes listed below come from historical weather data collected in Jacó from 1996 through 2025.
- The hottest December day on record in Jacó reached 33°C (91°F) (December 20, 1997).
- Jacó experienced its chilliest December day on December 11, 2017, reaching only 21°C (70°F).
- The coldest night in December in Jacó was on December 7, 2010, with a minimum of 13°C (55°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
unpleasant
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What to Wear in Jacó in December
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Jacó 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 Jacó's climate page.
See the full Jacó climate overview or explore weather in Costa Rica.
