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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.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Puerto Rico, check out our Ciales's climate page.

Ciales Temperature in December

Min TemperatureMin Temperature 22°C (72°F)  
Max TemperatureMax Temperature 29°C (84°F)  
Chance of RainChance of Rain 70%  
PrecipitationPrecipitation 53 mm (2.1 in)  
Rainy daysRainy days 21 days  
HumidityHumidity 75% *  
SunshineSunshine 216 hours *  
Percentage SunshinePercentage Sunshine 64% *  
* Data from: San Juan, Puerto Rico (50 KM, 31 Miles).

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 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 →

Map not visible? Whoops sorry! Please refresh the page.
Legend 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.

Swimming
10/10
Cycling
8/10
Walking
8/10
Barbeque
10/10
Camping
8/10
Outdoor sports
8/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Puerto Rico, check out our Ciales's climate page.

More climate data for Ciales