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Ciales Weather in December
Ciales in December sees high daytime temperatures of 29°C (84°F) and nighttime lows of 22°C (72°F). Moderate rainfall is typical, with around 53 mm (2.1 in) for the month.
Rainfall in Ciales in December
Records from the past 30 years suggest around 21 days of rain, with 53 mm (2.1 in) average for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Ciales in December
December is one of the better months to visit Ciales. Expect 29°C (84°F) during the day and 22°C (72°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights are mild at around 22°C (72°F), which is comfortable for most people.
Sunshine in Ciales in December
The days are predominantly sunny, with an estimated total of around 216 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.
Ciales Temperature in December
Min Temperature
22°C (72°F)
Max Temperature
29°C (84°F)
Chance of Rain
70%
Precipitation
53 mm (2.1 in)
Rainy days
21 days
Humidity
75% *
Sunshine
216 hours *
Percentage Sunshine
64% *
* Data from: San Juan, Puerto Rico (50 KM, 31 Miles).
Ciales Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ciales - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ciales typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in December
Historical weather records for Ciales in December
Browse day-by-day weather records for Ciales spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ciales historical weather extremes in December
Our historical data for Ciales spans 1976 to 2025, revealing these weather extremes.
- Ciales recorded its highest December temperature of 33°C (91°F) on December 9, 1995.
- The coldest December day was on December 11, 2007, with a maximum of 25°C (77°F).
- The coldest night in December in Ciales was on December 29, 2025, with a minimum of 15°C (59°F).
Best Places in Puerto Rico in December
Find out more about the weather in Puerto Rico and which places have the best travel conditions in this month. See all of Puerto Rico in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Ciales in December
Warm but pleasant conditions in Ciales 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 Ciales in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping8/10 -
Outdoor sports8/10
Ciales 3-Day Forecast
More climate data for Ciales
Temperature Rainfall Sunshine Humidity
See the full Ciales climate overview or explore weather in Puerto Rico.
Popular in December
Where to go in December - average daytime high across popular destinations.
Rio Grande
28°C (82°F) San Juan29°C (84°F) Aguada
28°C (82°F) Rincon28°C (82°F) Luquillo28°C (82°F) Culebra28°C (82°F) Vieques28°C (82°F) Fajardo28°C (82°F) Bucket list
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