Puerto Rico weather in December

Are you planning a trip to Puerto Rico in December and wondering what kind of weather to expect? Look no further than this page for all the information you need.

What is the weather like in Puerto Rico in December?

The weather conditions in Puerto Rico in December are generally perfect.

You can expect warm maximum average daytime temperatures of around 29°C (83°F) and nighttime temperatures around 23°C (73°F) in San Juan.

Precipitation in December varies from low in Boqueron with an average of 26mm (1 inches) of rainfall to moderate in Naguabo with 88mm (3.47 inches). It is also generally a sunny time of year with an average of 216 hours of sunshine in San Juan during the entire month.

To learn more about the weather conditions in specific areas of Puerto Rico, check out the map below.

Where to go in Puerto Rico in December

Find the average weather conditions in December for the most popular destinations in Puerto Rico on the map below. Click on a destination dot for more detailed information.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

Popular destinations in Puerto Rico

What is the weather like in December for the 5 most popular destinations in Puerto Rico?

Average weather in San Juan

In December San Juan generally has high temperatures with maximum daytime temperatures around 29°C (83°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

San Juan
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
30°C / 85°F 
24°C / 75°F 
203 hours 
129mm / 5.07" 
19 days 
29°C / 83°F 
23°C / 73°F 
216 hours 
65mm / 2.55" 
21 days 
January   >> January
>>  
28°C / 83°F 
22°C / 72°F 
238 hours 
55mm / 2.17" 
20 days 
Climate in San Juan

Average weather in Rincon

In December Rincon generally has high temperatures with maximum daytime temperatures around 28°C (83°F), minimum nighttime temperatures around 25°C (76°F) and low monthly rainfall. So on average the conditions are perfect that month.

Rincon
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
29°C / 84°F 
25°C / 78°F 
67mm / 2.63" 
18 days 
28°C / 83°F 
25°C / 76°F 
29mm / 1.13" 
20 days 
January   >> January
>>  
28°C / 82°F 
24°C / 75°F 
24mm / 0.95" 
19 days 
Climate in Rincon

Average weather in Vieques

In December Vieques generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 25°C (77°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Vieques
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
29°C / 83°F 
26°C / 78°F 
203 hours 
152mm / 6" 
19 days 
28°C / 82°F 
25°C / 77°F 
216 hours 
81mm / 3.18" 
21 days 
January   >> January
>>  
27°C / 81°F 
25°C / 76°F 
238 hours 
59mm / 2.34" 
20 days 
Climate in Vieques

Average weather in Culebra

In December Culebra generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 25°C (77°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Culebra
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
29°C / 83°F 
26°C / 78°F 
142mm / 5.57" 
20 days 
28°C / 82°F 
25°C / 77°F 
69mm / 2.70" 
21 days 
January   >> January
>>  
27°C / 81°F 
25°C / 76°F 
49mm / 1.91" 
19 days 
Climate in Culebra

Average weather in Fajardo

In December Fajardo generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 24°C (76°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Fajardo
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
29°C / 84°F 
25°C / 77°F 
203 hours 
153mm / 6.03" 
19 days 
28°C / 82°F 
24°C / 76°F 
216 hours 
86mm / 3.39" 
21 days 
January   >> January
>>  
27°C / 81°F 
24°C / 74°F 
238 hours 
70mm / 2.75" 
20 days 
Climate in Fajardo

Is your destination not in the list? Have a look at other destinations in Puerto Rico.

Is December the best time to go to Puerto Rico?

In our opinion December is one of the best times to visit Puerto Rico with commonly perfect weather in San Juan. However, the weather conditions may vary depending on your destination.

On average the best time to visit Puerto Rico is in January, February, March and December with generally perfect weather in San Juan. The worst months are May, July, August, September, October and November that can have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in Puerto Rico. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Puerto Rico? Get detailed historical weather averages for many cities in Puerto Rico.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.