The month in detail
What to expect in December
Even in winter, Puerto Rico enjoys 82°F. A real asset for escaping the European cold. Expect rain on 27% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if January (8.4/10) remains theoretically better.
December ranks 4 out of 12 months in Puerto Rico. Compared to November: −2°F daytime, 10 pts fewer rainy days.
This month's conditions
What it's like in December
UV index
6 · high
sunscreen and hat advised
Feels like
very humid
21°
Sea
29°C
warm, ideal
Daylight
10.9h of daylight
Air quality
good
AQI 27
Compare
Is December the right month?
The best month in Puerto Rico is January (8.4/10), 0.2 pt higher than December.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Puerto Rico
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Puerto Rico
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.
Country · Puerto Rico
🗣️LanguageEnglish
💶CurrencyUS Dollar ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘExpensive · 4/5
🌡️ Climate
🌍Climate typeTropical
📈Climate trend ⓘStable
🔥Hottest monthJune · 88°F
❄️Coolest monthJanuary · 82°F
🌧️Rainiest month ⓘSeptember · 42%
🏝️ Tropical stay
🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Explore
Other destinations in December
If December doesn't convince you for this destination, compare with others.
Similar climate
San JuanPuerto Rico
AntiguaAntigua and Barbuda
DominicaDominica
Punta CanaDominican Republic
Saint MartinSaint Martin
Location
Where is Puerto Rico ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
Puerto RicoTropical climate with a 8.4 → 4.9 gap between best and worst month. 10 years of ERA5 data to choose by project.
18.47°N · 66.11°W
Questions
Frequently asked questions
What is the best time to visit Puerto Rico?
January is the best month with 82°F highs, 72°F lows, 6.7h of sunshine and 22.0% rainy days. The months of January & March offer comparable conditions.
How many hours of sunshine does Puerto Rico get in January?
Puerto Rico averages 6.7 sunshine hours per day in January. It is the sunniest month with a climate score of 8.0/10.
What is the rainiest month in Puerto Rico?
September is the most unfavourable month with September has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Puerto Rico in January?
In January, overnight lows reach 72°F, while afternoon highs average 82°F.
Is Puerto Rico good in winter?
In winter (December-February), Puerto Rico scores 7.9/10 on average — Acceptable conditions for cultural visits.. The best month overall remains January with a score of 8.0/10.
When should you avoid Puerto Rico?
September is the most difficult month to visit Puerto Rico, with September has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Puerto Rico in December?
In December, the sea averages 83°F in Puerto Rico: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Puerto Rico in December?
The average UV index reaches 6 in December in Puerto Rico (high), with about 10.9h of daylight. Sunscreen and hat advised.