Runaway Bay in December sees high temperatures, with highs around 28°C (82°F) and overnight lows of 23°C (73°F). Rainfall is fairly high at around 80 mm (3.1 in) on average, so pack waterproofs just in case.
If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.
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Pick a month to see the average temperature, rainfall and sunshine in Runaway Bay - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Runaway Bay typically stay consistent throughout December, with daily highs averaging around 28°C (82°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 Runaway Bay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 22 years of weather observations (2003-2025), these are the most extreme conditions recorded in Runaway Bay.
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 Runaway Bay 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. Wet weather is likely, so pack waterproof gear for multiple rainy days. 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 Runaway Bay 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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