Jamaica weather in December 2025

Expect 29°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Jamaica in December based on long-term weather averages. There is usually 9 days with some rainfall and 103 mm of average monthly rainfall in December.

  • 29°C maximum daytime temperature in December in Jamaica (Montego Bay)29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in December in Jamaica (Montego Bay)9
    9 days with some rainfall
  • 21°C minimum night-time temperature in December in Jamaica (Montego Bay)21
    21°C min night temperature
  • 11 hours of daylight per day in December in Jamaica (Montego Bay)11
    11 hours of daylight per day
  • Moderate heat & humidity in December in Jamaica (Montego Bay)M
    Moderate heat & humidity
  • 103 mm monthly rainfall in December in Jamaica (Montego Bay)103
    103 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in December in Jamaica (Montego Bay)8
    8 (Very High) UV index
  • 28°C sea temperature in December in Jamaica (Montego Bay)28
    28°C sea temperature

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The December weather guide for Jamaica (Montego Bay) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Jamaica destinations

Below are average maximum temperatures at popular countries, regions and places in Jamaica in December. Select a holiday destination to see more weather parameters.

All Jamaica destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Jamaica

How hot is it in Jamaica in December?

Daytime temperatures usually reach 29°C in Montego Bay, Jamaica in December with moderate heat and humidity, falling to 21°C at night.

How sunny is it in Jamaica in December?

There are normally 7 hours of bright sunshine each day in Montego Bay, Jamaica in December - that's 60% of daylight hours.

How warm is the sea around Jamaica in December?

The average sea temperature around Montego Bay, Jamaica in December is 28°C.

Does it rain in Jamaica in December?

There are usually 9 days with some rain in Montego Bay, Jamaica in December and the average monthly rainfall is 103mm.

Jamaica December sunrise & sunset times

Browse the sunrise and sunset times for Jamaica in December 2025. Select a month to view Jamaica sunrise and sunset times for the next 12 months. The Jamaica sunrise and sunset times shown below are for Montego Bay.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:28 17:34
Tuesday, 16th December 2025 06:37 17:38
Wednesday, 31st December 2025 06:44 17:46

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