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Fajardo Weather in December
Thinking of visiting Fajardo in December? Expect high temperatures reaching 28°C (82°F) during the day, dropping to 24°C (75°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Fajardo in December
Records from the past 30 years suggest around 21 days of rain, with 86 mm (3.4 in) average for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Fajardo in December
If you're visiting Fajardo in December, expect excellent temperatures with highs of 28°C (82°F) and overnight lows of 24°C (75°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Fajardo in December
Expect a lot of sunshine this month, with about 216 hours of sun. These sunny conditions add to the overall experience.If you're inclined towards comfortable temperatures and drier conditions, December is a good time to visit Fajardo.
Fajardo Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
28°C (82°F)
Chance of Rain
71%
Precipitation
86 mm (3.4 in)
Rainy days
21 days
Humidity
75% *
Sunshine
216 hours *
Percentage Sunshine
64% *
* Data from: San Juan, Puerto Rico (38 KM, 23 Miles).
Fajardo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Fajardo - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Fajardo typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Fajardo in December
Browse day-by-day weather records for Fajardo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Fajardo historical weather extremes in December
According to our 20 years of weather records for Fajardo, the following extremes were recorded between 2005 and 2025.
- Fajardo recorded its highest December temperature of 39°C (102°F) on December 7, 2015.
- Fajardo experienced its chilliest December day on December 28, 2010, reaching only 25°C (77°F).
- Nighttime temperatures dropped to 17°C (63°F) on December 4, 2010, marking the coldest December night on record.
- The wettest December day on record brought 41 mm (1.6 in) of precipitation to Fajardo (December 2, 2013).
Best Places in Puerto Rico in December
Find out more about the weather in Puerto Rico and which places have the best travel conditions in this month. See all of Puerto Rico in December →
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).
What to Wear in Fajardo in December
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Fajardo in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Fajardo 3-Day Forecast
More climate data for Fajardo
Temperature Rainfall Sunshine Humidity
See the full Fajardo climate overview or explore weather in Puerto Rico.
Popular in December
Where to go in December - average daytime high across popular destinations.
Rio Grande
28°C (82°F) San Juan29°C (84°F) Aguada
28°C (82°F) Rincon28°C (82°F) Luquillo28°C (82°F) Culebra28°C (82°F) Vieques28°C (82°F) Fajardo28°C (82°F) Bucket list
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