Arecibo Weather in December
December in Arecibo brings high temperatures, with daytime highs of 29°C (84°F) and nights around 22°C (72°F). The perfect weather makes it a solid choice for a visit.
Rainfall in Arecibo in December
Based on our climate data of the past 30 years, about 20 days of rain are anticipated, with 58 mm (2.3 in) on average. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Arecibo in December
December is one of the better months to visit Arecibo. Expect 29°C (84°F) during the day and 22°C (72°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights remain mild at 22°C (72°F), making evenings a pleasant time to be outdoors.If you're inclined towards comfortable temperatures and drier conditions, December is a good time to visit Arecibo.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our Arecibo's climate page.
Arecibo Temperature in December
Min Temperature
22°C (72°F)
Max Temperature
29°C (84°F)
Chance of Rain
68%
Precipitation
58 mm (2.3 in)
Rainy days
20 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Arecibo typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in December
Historical weather for Arecibo in December
Browse day-by-day weather records for Arecibo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Arecibo historical weather extremes in December
According to our 49 years of weather records for Arecibo, the following extremes were recorded between 1976 and 2025.
- Arecibo recorded its highest December temperature of 33°C (91°F) on December 3, 2019.
- On December 29, 2010, Arecibo saw its coldest December day with temperatures maxing out at 24°C (75°F).
- The coldest night in December in Arecibo was on December 24, 1991, with a minimum of 15°C (59°F).
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
What to Wear in Arecibo 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. Rain gear is recommended, you can expect wet weather on multiple days.What To Do in Arecibo in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our Arecibo's climate page.
See the full Arecibo climate overview or explore weather in Puerto Rico.
