Montego Bay Weather in December
December in Montego Bay typically sees daytime highs of 29°C (84°F) and nighttime lows of 23°C (73°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Montego Bay in December
Historically, December sees about 9 days of rain, with a monthly average of 62 mm (2.4 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Montego Bay in December
December is a good time to be in Montego Bay. Days are excellent, reaching 29°C (84°F), with nights around 23°C (73°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights are warm at 23°C (73°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Montego Bay in December
Expect sunny days throughout the month, with an estimated 217 hours of sunshine. This makes it a pleasant time to visit Montego Bay.
Average water temperature in December
The water temperature is 27°C (81°F), which most people find very comfortable. A good month for swimming and water sports.If you're inclined towards comfortable temperatures and drier conditions, December is a good time to visit Montego Bay.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Jamaica, check out our Montego Bay's climate page.
Montego Bay Temperature in December
Min Temperature
23°C (73°F)
Max Temperature
29°C (84°F)
Water Temperature
27°C (81°F)
Chance of Rain
29%
Precipitation
62 mm (2.4 in)
Rainy days
9 days
Humidity
78%
Sunshine
217 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Montego Bay typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°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 Montego Bay in December
Browse day-by-day weather records for Montego Bay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Montego Bay historical weather extremes in December
Based on 22 years of weather observations (2003-2025), these are the most extreme conditions recorded in Montego Bay.
- On December 3, 2022, temperatures climbed to 36°C (97°F), marking the warmest December day on record.
- On December 15, 2010, Montego Bay saw its coldest December day with temperatures maxing out at 23°C (73°F).
- The lowest overnight temperature recorded in December was 20°C (68°F) (December 15, 2010).
Best Places in Jamaica in December
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
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tolerable
unpleasant
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What to Wear in Montego Bay in December
Warm but pleasant conditions in Montego 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. Expect water temperatures of around 27°C (81°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Montego Bay 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 Jamaica, check out our Montego Bay's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Montego Bay climate overview or explore weather in Jamaica.
