Puerto Rico weather in December

Many people wonder what kind of weather they can expect in December in Puerto Rico. Is this month a good time to go to Puerto Rico? To answer that question we created this page with 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 pleasant.

You can expect warm maximum average daytime temperatures of around 29°C (84°F) and nighttime temperatures around 23°C (73°F) in San Juan.

Precipitation in December ranges from moderate in Mayaguez with an average of 56mm (2.2inch) rainfall to high in San Juan with 125mm (4.9inch). It is also generally a sunny period with an average of 216 hours of sunshine in San Juan during the entire month.

We invite you to have a look at the map below to find out more about the different weather conditions per location in Puerto Rico.

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.

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 / 3.5inch 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 (84°F), minimum nighttime temperatures around 23°C (73°F) and high monthly rainfall. So on average the conditions are pleasant 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 / 86°F 
24°C / 75°F 
203 hours 
181mm / 7.1inch 
20 days 
29°C / 84°F 
23°C / 73°F 
216 hours 
125mm / 4.9inch 
20 days 
January   >> January
>>  
29°C / 83°F 
22°C / 72°F 
238 hours 
104mm / 4.1inch 
17 days 
Climate in San Juan

Average weather in Rincon

In December Rincon generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 21°C (70°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

Rincon
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
31°C / 89°F 
22°C / 72°F 
74mm / 2.9inch 
9 days 
30°C / 86°F 
21°C / 70°F 
56mm / 2.2inch 
7 days 
January   >> January
>>  
30°C / 85°F 
20°C / 68°F 
32mm / 1.3inch 
5 days 
Climate in Rincon

Average weather in Vieques

In December Vieques generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 23°C (73°F) and high monthly rainfall. So on average the conditions are pleasant 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
30°C / 86°F 
24°C / 75°F 
203 hours 
181mm / 7.1inch 
20 days 
29°C / 84°F 
23°C / 73°F 
216 hours 
125mm / 4.9inch 
20 days 
January   >> January
>>  
29°C / 83°F 
22°C / 72°F 
238 hours 
104mm / 4.1inch 
17 days 
Climate in Vieques

Average weather in Culebra

In December Culebra generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 23°C (73°F) and high monthly rainfall. So on average the conditions are pleasant that month.

Culebra
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 / 86°F 
24°C / 75°F 
203 hours 
181mm / 7.1inch 
20 days 
29°C / 84°F 
23°C / 73°F 
216 hours 
125mm / 4.9inch 
20 days 
January   >> January
>>  
29°C / 83°F 
22°C / 72°F 
238 hours 
104mm / 4.1inch 
17 days 
Climate in Culebra

Average weather in Fajardo

In December Fajardo generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 23°C (73°F) and high monthly rainfall. So on average the conditions are pleasant 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
30°C / 86°F 
24°C / 75°F 
203 hours 
181mm / 7.1inch 
20 days 
29°C / 84°F 
23°C / 73°F 
216 hours 
125mm / 4.9inch 
20 days 
January   >> January
>>  
29°C / 83°F 
22°C / 72°F 
238 hours 
104mm / 4.1inch 
17 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 a good time to visit Puerto Rico with commonly pleasant 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 February and March with generally perfect weather in San Juan. The worst month is November that can have unpleasant 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 almost all countries 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 suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.