Puerto Rico in december: average Weather, Temperature and Climate, Where to go?
Weather in Puerto Rico in december 2026
Below, find the the weather forecast for the month of december for most popular cities in Puerto Rico. These predictions are statistics for the month of december from weather reports for many years. The percentage indicates the probability of having the weather indicated.
Average weather in december in San Juan
very bad weather UV index: 7
Weather at 6am
79°F
Partly Cloudy
36% of time

31%

31%

2%
Weather at 12pm
83°F
Clear/Sunny
44% of time

27%

26%

3%
Weather at 6pm
79°F
Partly Cloudy
44% of time

33%

18%

5%
Weather at 3am
77°F

41%

30%

28%

3%
Where to go in Puerto Rico in december?
Where to go in Puerto Rico in december: destination map
perfect weather
good
tolerable
bad
very bad
Where should you go in Puerto Rico in december when it comes to the weather?
Remember:
The climate in Puerto Rico in december ranges from perfect to good depending on the region and city.
It is not ideal 100%, but the weather in Puerto Rico that month is pretty good in Arecibo and Mayagüez. I allows to enjoy sightseeing in these cities. And even why not take a little time to enjoy the hotel pool!
If you do not go the sun and blue sky, but, for example for hiking, the cities of Caguas, Bayamón, Ponce and San Juan have a decent enough weather for that in december.
Climate in Puerto Rico in december
Climate in San Juan in december
In december, the mean temperature in San Juan is 81°F (maximum temperature is 83°F and minimum temperature is 79°F). The climate comfortable here in december. With 2.4in over 4 days, rain may occur during your journey. But this is pretty reasonably and it is only of temporary showers.
With proper weather, the month of december is okay (but not good time) for traveling in that area.
| December | |||
| Average temperature | 81°F | ||
| Highest temperature | 83°F | ||
| Lowest temperature | 79°F | ||
| Sea temperature | 82°F | ||
| Rainfall | 2.4in | ||
| Number of days with rainfall | 4 day(s) (12%) | ||
| Humidity | 80% | ||
| Daily sunshine hours | 9 | ||
| Cloud cover | 34% | ||
| Length of day | 11:02 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Mayagüez in december
In december, maximum temperature is 83°F and minimum temperature is 79°F (for an average temperature of 81°F). The climate enjoyable in this location in the month of december. With 3in over 5 days, rain may occur during your trip. But this is pretty reasonably and it will not be continuous.
With a good weather, december is a recommended month to go in this city.
| December | |||
| Average temperature | 81°F | ||
| Highest temperature | 83°F | ||
| Lowest temperature | 79°F | ||
| Sea temperature | 82°F | ||
| Rainfall | 3in | ||
| Number of days with rainfall | 5 day(s) (16%) | ||
| Humidity | 80% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 19% | ||
| Length of day | 11:03 | ||
| Our opinion at whereandwhen.net | good |
Climate in Caguas in december
In the month of december, the mean temperature in Caguas is 79°F (maximum temperature is 81°F and minimum temperature is 77°F). The climate quite pleasant in that area in this month. With 3.5in over 5 days, you will experience some showers throughout your stay. But this is pretty reasonably and it is only of temporary showers.
With proper weather, december is okay (but not the best month) for traveling in Caguas.
| December | |||
| Average temperature | 79°F | ||
| Highest temperature | 81°F | ||
| Lowest temperature | 77°F | ||
| Rainfall | 3.5in | ||
| Number of days with rainfall | 5 day(s) (17%) | ||
| Humidity | 83% | ||
| Daily sunshine hours | 9 | ||
| Cloud cover | 37% | ||
| Length of day | 11:03 | ||
| Our opinion at whereandwhen.net | good |
Climate in Arecibo in december
In the month of december, maximum temperature is 83°F and minimum temperature is 77°F (for an average temperature of 81°F). The climate quite good around this city in the month of december. With 2.9in over 4 days, you will experience some showers for your journey. But this is moderate and it will not be continuous.
With a good weather, the month of december is a recommended month to go in Arecibo.
| December | |||
| Average temperature | 81°F | ||
| Highest temperature | 83°F | ||
| Lowest temperature | 77°F | ||
| Sea temperature | 83°F | ||
| Rainfall | 2.9in | ||
| Number of days with rainfall | 4 day(s) (14%) | ||
| Humidity | 82% | ||
| Daily sunshine hours | 9 | ||
| Cloud cover | 27% | ||
| Length of day | 11:02 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Bayamón in december
In december, the mean temperature in Bayamón is 81°F (maximum temperature is 83°F and minimum temperature is 79°F). The climate quite good in that area in the month of december. With 2.9in over 4 days, rainfall can happen throughout your holidays. But this is pretty reasonably and it will not be continuous.
With a correct climate, december is okay (but not good time) for traveling there in Puerto Rico.
| December | |||
| Average temperature | 81°F | ||
| Highest temperature | 83°F | ||
| Lowest temperature | 79°F | ||
| Sea temperature | 82°F | ||
| Rainfall | 2.9in | ||
| Number of days with rainfall | 4 day(s) (14%) | ||
| Humidity | 81% | ||
| Daily sunshine hours | 9 | ||
| Cloud cover | 35% | ||
| Length of day | 11:02 | ||
| Our opinion at whereandwhen.net | perfect |
All cities in Puerto Rico in december
| San Juan in december | very bad weather |
| Mayagüez in december | very bad weather |
| Caguas in december | very bad weather |
| Arecibo in december | very bad weather |
| Bayamón in december | very bad weather |
| Culebra in december | very bad weather |
| Isla De Mona in december | very bad weather |
| Ponce in december | very bad weather |
| Vieques in december | very bad weather |
| Adjuntas in december | very bad weather |
| Aguadilla in december | very bad weather |
| Aibonito in december | very bad weather |
| Anasco in december | very bad weather |
| Arroyo in december | very bad weather |
| Boqueron in december | very bad weather |
| Cabo Rojo in december | very bad weather |
| Carolina in december | very bad weather |
| Cayey in december | very bad weather |
| Ceiba in december | very bad weather |
| Cidra in december | very bad weather |
| Coamo in december | very bad weather |
| Comerio in december | very bad weather |
| Dorado in december | very bad weather |
| Fajardo in december | very bad weather |
| Florida in december | very bad weather |
| Guanica in december | very bad weather |
| Guayama in december | very bad weather |
| Hatillo in december | very bad weather |
| Hormigueros in december | very bad weather |
| Humacao in december | very bad weather |
| Isabela in december | very bad weather |
| Luquillo in december | very bad weather |
| Manati in december | very bad weather |
| Maunabo in december | very bad weather |
| Punta Santiago in december | very bad weather |
| Quebradillas in december | very bad weather |
| Rincon in december | very bad weather |
| Salinas in december | very bad weather |
| San German in december | very bad weather |
| San Sebastian in december | very bad weather |
| Santa Isabel in december | very bad weather |
| Utuado in december | very bad weather |
| Vega Alta in december | very bad weather |
| Yauco in december | very bad weather |
Weather data for Puerto Rico in december:
Weather data for Puerto Rico in december is derived from an average of the weather forecast since 2009 in Puerto Rico. There is a margin of error and these forecasts are to be considered as general information only. The weather in Puerto Rico can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Puerto Rico.