Puerto Rico

Puerto Rico Weather in December

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

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San Juan Rincon Vieques Luquillo

Planning a getaway to 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 Puerto Rico in December

December in Puerto Rico generally has warm temperatures, with precipitation levels ranging from low to moderate.

Temperatures

The average maximum temperatures are warm and range from 26°C (79°F) in Adjuntas to 29°C (84°F) in San German. Nighttime temperatures generally drop to 23°C (73°F) in San German and 20°C (68°F) in Adjuntas.

For specific regional insights in Puerto Rico, refer to the map provided below.

Precipitation

In December, precipitation varies across different areas. From low rainfall in Boqueron with an average of 26 mm (1 in) to moderate rainfall in Naguabo with 88 mm (3.5 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 Puerto Rico by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Puerto Rico in December

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

Conditions Temperatures Precipitation
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 Puerto Rico

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

Temperature range in Puerto Rico (December)

Precipitation variation in 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 »
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
tolerable
perfect
perfect
Climate in San Juan →

Rincon

In December Rincon generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 25°C (77°F) and low monthly rainfall. So on average the conditions are perfect that month.

« November
December
January »
November
December
January
Max temperature
29°C (84°F)
28°C (82°F)
28°C (82°F)
Min temperature
25°C (77°F)
25°C (77°F)
24°C (75°F)
Monthly rainfall
67 mm (2.6 in)
29 mm (1.1 in)
24 mm (0.9 in)
Monthly rainy days
18 days
20 days
19 days
Weather conditions
perfect
perfect
perfect
Climate in Rincon →

Vieques

In December Vieques generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 25°C (77°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« November
December
January »
November
December
January
Max temperature
29°C (84°F)
28°C (82°F)
27°C (81°F)
Min temperature
26°C (79°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
203 hours
216 hours
238 hours
Monthly rainfall
152 mm (6 in)
81 mm (3.2 in)
59 mm (2.3 in)
Monthly rainy days
19 days
21 days
20 days
Weather conditions
pleasant
perfect
perfect
Climate in Vieques →

Culebra

In December Culebra generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 25°C (77°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« November
December
January »
November
December
January
Max temperature
29°C (84°F)
28°C (82°F)
27°C (81°F)
Min temperature
26°C (79°F)
25°C (77°F)
25°C (77°F)
Monthly rainfall
142 mm (5.6 in)
69 mm (2.7 in)
49 mm (1.9 in)
Monthly rainy days
20 days
21 days
19 days
Weather conditions
pleasant
perfect
perfect
Climate in Culebra →

Fajardo

In December Fajardo 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 »
November
December
January
Max temperature
29°C (84°F)
28°C (82°F)
27°C (81°F)
Min temperature
25°C (77°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
203 hours
216 hours
238 hours
Monthly rainfall
153 mm (6 in)
86 mm (3.4 in)
70 mm (2.8 in)
Monthly rainy days
19 days
21 days
20 days
Weather conditions
pleasant
perfect
perfect
Climate in Fajardo →

Is your destination not in the list? Have a look at all destinations 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 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)
Rincon 28°C (82°F) 25°C (77°F) 29 mm (1.1 in)
Vieques 28°C (82°F) 25°C (77°F) 81 mm (3.2 in)
Luquillo 28°C (82°F) 24°C (75°F) 84 mm (3.3 in)
La Parguera 29°C (84°F) 24°C (75°F) 28 mm (1.1 in)
Ponce 28°C (82°F) 22°C (72°F) 34 mm (1.3 in)

Puerto Rico weather in December: frequently asked questions

What is the weather like in Puerto Rico in December?

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 Puerto Rico in December?

Average temperatures in Puerto Rico during December range from a nighttime low near 23°C (73°F) to a daytime high around 29°C (84°F) in San Juan.

Does Puerto Rico get a lot of rain in December?

December is on the drier side in Puerto Rico. San Juan averages only about 65 mm (2.6 in), with most days staying dry.

Is December a Good Time to Visit Puerto Rico?

We believe that December is one of the best times to visit Puerto Rico with overall perfect weather in San Juan.

Generally speaking, the best visiting conditions can be found in January, February, March and December offering mostly 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 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.