Port Antonio in December averages 27°C (81°F) during the day and 24°C (75°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
For Port Antonio itself, January, February, March and April generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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Pick a month to see the average temperature, rainfall and sunshine in Port Antonio - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Port Antonio typically stay consistent throughout December, with daily highs averaging around 27°C (81°F). Nights are warm, with lows around 24°C (75°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Port Antonio spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Port Antonio spans 2003 to 2025, revealing these weather extremes.
Find out more about the weather in Jamaica and which places have the best travel conditions in this month. See all of Jamaica in December →
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).
Warm but pleasant conditions in Port Antonio 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Port Antonio climate overview or explore weather in Jamaica.
Where to go in December - average daytime high across popular destinations.
Treasure Beach
29°C (84°F) Runaway Bay28°C (82°F) Montego Bay29°C (84°F) Ocho Rios28°C (82°F) Kingston28°C (82°F) Negril29°C (84°F) Port Antonio27°C (81°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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