Humacao Weather in December
December in Humacao brings high temperatures, with daytime highs of 28°C (82°F) and nights around 24°C (75°F). Quite a bit of rainfall is expected, around 83 mm (3.3 in), so pack an umbrella.
Rainfall in Humacao in December
On average, there are about 21 days with rain during this month, averaging 83 mm (3.3 in). With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Humacao in December
Humacao in December has perfect weather. Days reach 28°C (82°F) and nights cool to 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 Humacao 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 a fan of comfortable temperatures and drier conditions, December is a great time to visit.
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 Humacao's climate page.
Humacao Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
28°C (82°F)
Chance of Rain
71%
Precipitation
83 mm (3.3 in)
Rainy days
21 days
Humidity
75% *
Sunshine
216 hours *
Percentage Sunshine
64% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Humacao 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 for Humacao in December
Browse day-by-day weather records for Humacao spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Humacao historical weather extremes in December
According to our 49 years of weather records for Humacao, the following extremes were recorded between 1976 and 2025.
- Humacao recorded its highest December temperature of 36°C (97°F) on December 7, 2015.
- The coldest December day was on December 25, 1986, with a maximum of 23°C (73°F).
- The lowest overnight temperature recorded in December was 18°C (64°F) (December 18, 1996).
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
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tolerable
unpleasant
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What to Wear in Humacao 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Humacao 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 Humacao's climate page.
Temperature Rainfall Sunshine Humidity
See the full Humacao climate overview or explore weather in Puerto Rico.
