Temperatures in December
It's pleasantly warm in December in Puerto Rico with an average temperature of 22°C. Temperatures this month range from a low of 21°C to a high of 23°C. At night, you can expect temperatures between 16°C and 18°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Puerto Rico in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Puerto Rico with warm temperatures, averaging around 23°C during the day and nights close to 18°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-December
By mid-December, the average daytime temperature stays the same at 23°C, with nights close to 17°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of December
By the end of December, the average daytime temperature in Puerto Rico will be around 22°C, with nights close to 17°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
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Water temperature
The water temperature at Puerto Rico is 23°C this month. Comfortable for a swim.
Precipitation in December
In December, there is an average of 15 mm of precipitation, spread over 4 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The precipitation chance averages 14% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Puerto Rico. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Puerto Rico in December |
London | ||
|---|---|---|---|
 Average Temperature |
22°C | 9°C | |
 High Temp |
23°C | 11°C | |
| Low Temp |
21°C | 8°C | |
 Total Precipitation |
15 mm | 67 mm | |
| Rainy Days |
4 days | 10 days | |
November
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is December a good time to visit Puerto Rico?
Want nice weather? Then December is a great time to be in Puerto Rico. You’ll have pleasant temperatures and little chance of rain this month.
Temperature records for Puerto Rico in December
With 28°C, Puerto Rico hit the highest temperature in the last 10 years in December 2019. The lowest daytime temperature in this month was 16°C in 2023. The extreme night temperatures ranged from a low of 10°C to a high of 21°C.
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Daily Temperature in December in Puerto Rico
This chart shows the average daily temperatures, both day and night, for each day in December in Puerto Rico, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in Puerto Rico
The chart below shows the average daily precipitation in December for Puerto Rico, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 4 days of rain in Puerto Rico.
Daily UV Index in December in Puerto Rico
This chart shows the average daily UV index in December in Puerto Rico, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Puerto Rico Over the Years
This chart shows the average temperature in December in Puerto Rico, measured in degrees Celsius, over the past years.
Total Precipitation in December in Puerto Rico Over the Years
This chart shows the average precipitation in December in Puerto Rico, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in December for Puerto Rico
Click on a specific day in December for detailed info on the typical weather on that day in Puerto Rico. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Puerto Rico
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Average Weather in Puerto Rico by Month
Click on a month below to see detailed weather info for Puerto Rico. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Puerto Rico for all months at once
