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

How is the weather in San Juan in January? Here's what the weather might have in store during this month.

In San Juan the weather in January is generally perfect, characterized by high temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 28°C. But by evening, they drop to around 22°C. This month usually represents the year's cooler end of the spectrum. However, it still remains warm.

San Juan in January usually receives moderate rainfall, averaging around 55 mm for the month. When we look at the climate data from the last 30 years, we can expect around 20 days of rain.

The city usually sees around 238 hours of sunlight, indicating many sunny days.

If you favor pleasant temperatures and minimal rainfall, January 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 January

Min TemperatureMin Temperature 22°C  
Max TemperatureMax Temperature 28°C  
Water TemperatureWater Temperature 26°C  
Chance of RainChance of Rain 66%  
PrecipitationPrecipitation 55 mm  
Rainy daysRainy days 20 days  
HumidityHumidity 74%  
WindspeedWindspeed 11 km/h  
SunshineSunshine 238 hours  
Percentage SunshinePercentage Sunshine 70%  

Where to go in Puerto Rico in January

Find out more about the weather in Puerto Rico in January and which places have the best weather conditions in this month.

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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 San Juan in January?

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 26°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 in January.

Swimming
10/10
Cycling
8/10
Walking
8/10
Barbeque
10/10
Camping
8/10
Outdoor sports
8/10

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.