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Puerto Rico weather in December 2021
- 2828°C max day temperature
- 2121 days with some rainfall
- 2121°C min night temperature
- 1111 hours of daylight per day
- MModerate heat & humidity
- 151151 mm of monthly rainfall
- 88 (Very High) UV index
- 2727°C sea temperature
Below are average maximum temperatures at popular destinations in Puerto Rico in December. Select a destination to see more weather parameters.
Recommended for Puerto Rico
The December weather guide for Puerto Rico (San Juan) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Puerto Rico
How hot is it in Puerto Rico in December?
Daytime temperatures usually reach 28°C in San Juan, Puerto Rico in December with moderate heat and humidity, falling to 21°C at night.
How sunny is it in Puerto Rico in December?
There are normally 7 hours of bright sunshine each day in San Juan, Puerto Rico in December - that's 63% of daylight hours.
How warm is the sea around Puerto Rico in December?
The average sea temperature around San Juan, Puerto Rico in December is 27°C.
Does it rain in Puerto Rico in December?
There are usually 21 days with some rain in San Juan, Puerto Rico in December and the average monthly rainfall is 151mm.
Puerto Rico December sunrise & sunset times
Browse the sunrise and sunset times for Puerto Rico in December 2021. Select a month to view Puerto Rico sunrise and sunset times for the next 12 months. The Puerto Rico sunrise and sunset times shown below are for San Juan.
|Date||Sunrise times||Sunset times|
|Wednesday, 1st December 2021||06:41||17:47|
|Thursday, 16th December 2021||06:49||17:51|
|Friday, 31st December 2021||06:56||17:59|
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