Cabo Rojo Weather in December
In Cabo Rojo, December brings high daytime temperatures around 29°C (84°F), with nights cooling to 24°C (75°F). Some rainfall is to be expected.
Rainfall in Cabo Rojo in December
Rain is expected on roughly 20 days, totalling around 26 mm (1 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Cabo Rojo in December
December is a perfect month in Cabo Rojo, with 29°C (84°F) during the day and 24°C (75°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, November and December typically offer the best weather for Cabo Rojo.
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 Cabo Rojo's climate page.
Cabo Rojo Temperature in December
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cabo Rojo typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in December
Historical weather for Cabo Rojo in December
Browse day-by-day weather records for Cabo Rojo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cabo Rojo historical weather extremes in December
Based on 28 years of weather observations (1997-2025), these are the most extreme conditions recorded in Cabo Rojo.
- The hottest December day on record in Cabo Rojo reached 34°C (93°F) (December 24, 2002).
- The coldest December day was on December 22, 2023, with a maximum of 25°C (77°F).
- Cabo Rojo registered its coldest December night on December 18, 2008, with temperatures dropping to 16°C (61°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 →
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What to Wear in Cabo Rojo in December
Warm but pleasant conditions in Cabo Rojo in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Light rain is possible, so consider bringing a small umbrella or rain jacket.What To Do in Cabo Rojo 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 Cabo Rojo's climate page.
See the full Cabo Rojo climate overview or explore weather in Puerto Rico.