San Juan weather in December (North Puerto Rico, Puerto Rico)

Interested in knowing the climate of San Juan in December? Check out this detailed guide to the month’s weather conditions.

Temperatures

For December, the weather in San Juan is generally perfect, featuring high temperatures and moderate rainfall. During the day, temperatures can climb to about 29°C. At night, they may fall to a cooler 23°C.

Precipitation

San Juan in December usually receives moderate rainfall, averaging around 65 mm for the month. You can typically expect 21 days days of rain this month, based on climate records.

Average sunshine

The city usually sees around 216 hours of sunlight, indicating many sunny days.

If you favor pleasant temperatures and minimal rainfall, December is one of the better months to visit San Juan. January, February, March and December typically offer the most agreeable circumstances. On the other hand, May, July, August, September, October and November tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized San Juan climate page with graphs.

 

San Juan, monthly averages in December

Min Temperature 23°C  

Max Temperature 29°C  

Water Temperature 27°C  

Chance of Rain 70%  

Precipitation 65 mm  

Rainy days 21 days  

Humidity 75%  

Windspeed 11 km/h  

Sunshine 216 hours  

Percentage Sunshine 64%  

Where to go 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.

Weather conditions Weather

Temperatures

Precipitation

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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°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. With a water temperature of around 27°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

8/10

Walking

8/10

Camping

8/10

Outdoor sports

8/10

Interested in more climate information?

This site provides you with all the information you need about the climate in San Juan.

Our site offers climate and forecast data for every country in the world. Are you going to Puerto Rico? On this website you can find 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 travel conditions. Find out where to go with our weather planner.