Jamaica weather in January 2026

Expect daytime maximum temperatures of 29°C in Jamaica in January based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 85 mm of rainfall in the month.

  • 29°C maximum daytime temperature in January in Jamaica (Montego Bay)29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in January in Jamaica (Montego Bay)8
    8 days with some rainfall
  • 20°C minimum night-time temperature in January in Jamaica (Montego Bay)20
    20°C min night temperature
  • 11 hours of daylight per day in January in Jamaica (Montego Bay)11
    11 hours of daylight per day
  • Moderate heat & humidity in January in Jamaica (Montego Bay)M
    Moderate heat & humidity
  • 85 mm monthly rainfall in January in Jamaica (Montego Bay)85
    85 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in January in Jamaica (Montego Bay)8
    8 (Very High) UV index
  • 27°C sea temperature in January in Jamaica (Montego Bay)27
    27°C sea temperature

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The January 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 January. 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 January?

Daytime temperatures usually reach 29°C in Montego Bay, Jamaica in January with moderate heat and humidity, falling to 20°C at night.

How sunny is it in Jamaica in January?

There are normally 7 hours of bright sunshine each day in Montego Bay, Jamaica in January - that's 65% of daylight hours.

How warm is the sea around Jamaica in January?

The average sea temperature around Montego Bay, Jamaica in January is 27°C.

Does it rain in Jamaica in January?

There are usually 8 days with some rain in Montego Bay, Jamaica in January and the average monthly rainfall is 85mm.

Jamaica January sunrise & sunset times

Browse the sunrise and sunset times for Jamaica in January 2026. 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
Thursday, 1st January 2026 06:44 17:47
Friday, 16th January 2026 06:47 17:56
Saturday, 31st January 2026 06:45 18:05

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