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Jarealito Weather in December

December is one of the perfect months to visit Jarealito, with daytime temperatures of 29°C (84°F) and lows of 23°C (73°F) at night. Some rainfall is typical for this time of year.

Rainfall in Jarealito in December

The climate data from previous years indicates about 20 days of rain, averaging 58 mm (2.3 in) for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Jarealito in December

December is a good time to be in Jarealito. Days are perfect, reaching 29°C (84°F), with nights around 23°C (73°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 23°C (73°F), the nights are warm and generally comfortable.

Sunshine in Jarealito in December

The city usually sees around 216 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.

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 Jarealito's climate page.

Jarealito Temperature in December

Min TemperatureMin Temperature 23°C (73°F)  
Max TemperatureMax Temperature 29°C (84°F)  
Chance of RainChance of Rain 68%  
PrecipitationPrecipitation 58 mm (2.3 in)  
Rainy daysRainy days 20 days  
HumidityHumidity 75% *  
SunshineSunshine 216 hours *  
Percentage SunshinePercentage Sunshine 64% *  
* Data from: San Juan, Puerto Rico (73 KM, 45 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Jarealito typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 22°C (72°F).

Average temperatures in December

Historical weather for Jarealito in December

Browse day-by-day weather records for Jarealito spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Jarealito historical weather extremes in December

Based on 49 years of weather observations in Jarealito between 1976 and 2025, these are the recorded extremes.

  • On December 3, 2019, temperatures climbed to 33°C (91°F), marking the warmest December day on record.
  • On December 29, 2010, Jarealito saw its coldest December day with temperatures maxing out at 24°C (75°F).
  • The lowest overnight temperature recorded in December was 15°C (59°F) (December 24, 1991).

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 Jarealito in December

Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Jarealito 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 Jarealito's climate page.

More climate data for Jarealito