Montego Bay weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Excellent
Best time to visit: January – December
What is the weather like in Montego Bay in December?
In December, Montego Bay is hot: daytime highs average 28 °C, and even at night it stays warm at around 23 °C. The sea averages 28.0 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 51 mm in total. The air is often humid and muggy. All in all, December is an excellent month for a holiday in Montego Bay.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 78 | 84 | 85 |
| Day | 29° | 28° | 28° |
| Night | 24° | 23° | 23° |
| Sea | 29° | 28° | 27° |
| Sun | 8 h | 7 h | 8 h |
| Rain days | 17 | 12 | 11 |
More details for December
- Daylight
- 11 h 2 min06:36 – 17:38
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or more
- Wind
- 19 km/haverage daily peak
- Cloud cover
- 40 %on average
- Hot days
- 2 days30 °C or more
- Time zone
- UTC−5America/Jamaica
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %73 %
- Few rainy daysweight 20 %46 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Montego Bay in December: quick answers
Is Montego Bay hot in December?
Yes. In December, Montego Bay is hot: daytime highs average 28 °C and nights stay around 23 °C. On about 2 days the thermometer climbs to 30 °C or more.
Can you swim in Montego Bay in December?
Yes. In December the sea averages 28.0 °C – lovely and warm for swimming.
Does it rain much in Montego Bay in December?
Rain is frequent, with about 12 rainy days and 51 mm in total.
Montego Bay month by month
The whole year in Montego BayAll destinations: JamaicaCaribbean weather in DecemberWhere to go in DecemberSea temperature in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)