North Puerto Rico Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in North Puerto Rico, Puerto Rico in December.

Planning a getaway to North Puerto Rico, Puerto Rico this December and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in North Puerto Rico in December

North Puerto Rico, Puerto Rico is a region in Puerto Rico. December in North Puerto Rico generally has warm temperatures, with moderate precipitation.

Temperatures

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

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

Precipitation

In December, precipitation varies across different areas. From moderate rainfall in Isabela with an average of 50 mm (2 in) to moderate rainfall in Carolina with 70 mm (2.8 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. San Juan sees close to 216 hours of sunlight, making it great for sun lovers.

Explore North Puerto Rico by month

Best Places to Visit in North Puerto Rico in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across North Puerto Rico.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in North Puerto Rico

What is the weather like in December for some of the most popular destinations in North Puerto Rico, Puerto Rico?

Temperature range in North Puerto Rico (December)

Precipitation variation in North Puerto Rico (December)

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 moderate monthly rainfall. So on average the conditions are perfect that month.

November
December
January
Max temperature
30°C (86°F)
29°C (84°F)
28°C (82°F)
Min temperature
24°C (75°F)
23°C (73°F)
22°C (72°F)
Monthly sun hours
203 hours
216 hours
238 hours
Monthly rainfall
129 mm (5.1 in)
65 mm (2.6 in)
55 mm (2.2 in)
Monthly rainy days
19 days
21 days
20 days
Weather conditions

Bayamon

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

November
December
January
Max temperature
30°C (86°F)
29°C (84°F)
28°C (82°F)
Min temperature
23°C (73°F)
23°C (73°F)
22°C (72°F)
Monthly sun hours
203 hours
216 hours
238 hours
Monthly rainfall
121 mm (4.8 in)
60 mm (2.4 in)
52 mm (2 in)
Monthly rainy days
19 days
21 days
20 days
Weather conditions

Isabela

In December Isabela generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

November
December
January
Max temperature
29°C (84°F)
28°C (82°F)
28°C (82°F)
Min temperature
24°C (75°F)
24°C (75°F)
23°C (73°F)
Monthly rainfall
103 mm (4.1 in)
50 mm (2 in)
43 mm (1.7 in)
Monthly rainy days
18 days
20 days
19 days
Weather conditions

Manati

In December Manati generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 22°C (72°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

November
December
January
Max temperature
29°C (84°F)
29°C (84°F)
28°C (82°F)
Min temperature
23°C (73°F)
22°C (72°F)
22°C (72°F)
Monthly sun hours
203 hours
216 hours
238 hours
Monthly rainfall
119 mm (4.7 in)
56 mm (2.2 in)
49 mm (1.9 in)
Monthly rainy days
19 days
21 days
20 days
Weather conditions

Dorado

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

November
December
January
Max temperature
30°C (86°F)
29°C (84°F)
28°C (82°F)
Min temperature
24°C (75°F)
23°C (73°F)
22°C (72°F)
Monthly sun hours
203 hours
216 hours
238 hours
Monthly rainfall
115 mm (4.5 in)
58 mm (2.3 in)
50 mm (2 in)
Monthly rainy days
19 days
21 days
20 days
Weather conditions

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

In our records: Puerto Rico December extremes

Notable December records observed across cities in Puerto Rico in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest December day in Puerto Rico reached 39°C (102°F) in Fajardo on December 7, 2015.

Popular cities in December

Day & night temperatures, rainfall and average weather in North Puerto Rico in December.

City Weather Day temp Night temp Rainfall
San Juan 29°C (84°F) 23°C (73°F) 65 mm (2.6 in)
Bayamon 29°C (84°F) 23°C (73°F) 60 mm (2.4 in)
Isabela 28°C (82°F) 24°C (75°F) 50 mm (2 in)
Manati 29°C (84°F) 22°C (72°F) 56 mm (2.2 in)
Dorado 29°C (84°F) 23°C (73°F) 58 mm (2.3 in)
Carolina 28°C (82°F) 23°C (73°F) 70 mm (2.8 in)

North Puerto Rico weather in December: frequently asked questions

What is the weather like in North Puerto Rico, Puerto Rico in December?

North Puerto Rico, Puerto Rico typically experiences perfect weather in December, part of the season. Daytime highs in San Juan average around 29°C (84°F), and temperatures drop to about 23°C (73°F) at night.

What is the average temperature in North Puerto Rico, Puerto Rico in December?

Daytime temperatures in San Juan peak at roughly 29°C (84°F) in December, dropping to about 23°C (73°F) overnight.

Does North Puerto Rico, Puerto Rico get a lot of rain in December?

Not particularly. San Juan averages just 65 mm (2.6 in) of rain in December, making it a mostly dry month for North Puerto Rico, Puerto Rico.

Is December a Good Time to Visit North Puerto Rico, Puerto Rico?

We believe that December is one of the best times to visit North Puerto Rico, Puerto Rico with overall perfect weather in San Juan. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit North Puerto Rico, Puerto Rico is in January, February, March and December with generally perfect weather in San Juan. In contrast, May, July, August, September, October and November tend to have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in North Puerto Rico.

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 travel conditions. Find out where to go with our weather planner.