ClimateForecastDecemberJanuary >>

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

Curious about the December weather in San Juan? Here's what the weather might have in store during this month.

Temperatures

In San Juan the weather in December is generally perfect, with high temperatures and moderate rainfall. Daytime temperatures hover around 29°C, while nights can cool down to about 23°C.

Precipitation

San Juan in December usually receives moderate rainfall, averaging around 65 mm for the month. Rain is expected on roughly 21 days.

Average sunshine

With around 216 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

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 TemperatureMin Temperature 23°C  
Max TemperatureMax Temperature 29°C  
Water TemperatureWater Temperature 27°C  
Chance of RainChance of Rain 70%  
PrecipitationPrecipitation 65 mm  
Rainy daysRainy days 21 days  
HumidityHumidity 75%  
WindspeedWindspeed 11 km/h  
SunshineSunshine 216 hours  
Percentage SunshinePercentage 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.

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 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.