Playa Avellana Weather in December
December in Playa Avellana brings very high temperatures, with daytime highs of 32°C (90°F) and nights around 24°C (75°F). The perfect weather makes it a solid choice for a visit.
Rainfall in Playa Avellana in December
On average, there are about 10 days with rain during this month, averaging 15 mm (0.6 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Playa Avellana in December
The perfect temperature in Playa Avellana in December makes it a solid month to visit, with 32°C (90°F) during the day and 24°C (75°F) at night. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Playa Avellana in December
The city usually sees around 258 hours of sunlight, indicating many sunny days — a great month for sightseeing.If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.
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 Playa Avellana's climate page.
Playa Avellana Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
32°C (90°F)
Chance of Rain
33%
Precipitation
15 mm (0.6 in)
Rainy days
10 days
Humidity
72% *
Sunshine
258 hours *
Percentage Sunshine
*
Daily Historical Temperatures
39-year average (1977-2025)
Based on our historical records, temperatures in Playa Avellana typically stay consistent throughout December, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in December
Daily Historical Precipitation
39-year average (1977-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Playa Avellana in December
Browse day-by-day weather records for Playa Avellana spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Playa Avellana historical weather extremes in December
Based on 27 years of weather observations (1998-2025), these are the most extreme conditions recorded in Playa Avellana.
- Playa Avellana recorded its highest December temperature of 36°C (97°F) on December 26, 2002.
- The coldest December day was on December 22, 1998, with a maximum of 25°C (77°F).
- The coldest night in December in Playa Avellana was on December 21, 2008, with a minimum of 17°C (63°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
pleasant
tolerable
unpleasant
poor
What to Wear in Playa Avellana in December
Warm but pleasant conditions in Playa Avellana 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. Dry conditions mean you won't need to worry about rain protection. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Playa Avellana 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 Playa Avellana's climate page.
Temperature Rainfall Sunshine Humidity
See the full Playa Avellana climate overview or explore weather in Costa Rica.
