Puerto Rico weather

Our guide to the weather in Puerto Rico during December

27

Average high

6

UV Index

64mm

Monthly rainfall

28

Sea temperature

We've looked at the most up-to-date weather data for Puerto Rico, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Puerto Rico weather in December.

How warm is it in Puerto Rico during December?

The temperature is extremely stable in December with average highs of 27℃ and lows just 4℃ lower at 24℃. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Puerto Rico during December?

On average, there will be 3 rainy days during the month, amounting to 64.0mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. Due to the high temperature and humidity, you might expect lots of thunderstorms, however they're actually fairly infrequent at this time of year. On average, December will see just 1 days that produce a storm.

Is it windy in Puerto Rico during December?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during December. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.

How warm is the sea in Puerto Rico during December?

The water around Puerto Rico reaches a very pleasant 28℃ during December. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature and relatively high humidity will mean that you will feel comfortably warm when coming out of the water.

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Weather in Puerto Rico

Our month-by-month guide to the weather and climate in Puerto Rico

26.9

Puerto Rico weather in

January
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Puerto Rico weather in

February
27.0

Puerto Rico weather in

March
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Puerto Rico weather in

April
28.6

Puerto Rico weather in

May
29.3

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June
29.5

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July
29.9

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August
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September
29.6

Puerto Rico weather in

October
28.4

Puerto Rico weather in

November
27.4

Puerto Rico weather in

December