Antigua weather in January 2026

Expect daytime maximum temperatures of 28°C in Antigua in January based on long-term weather averages. There are 8 hours of sunshine per day on average with 16 days with some rainfall and typically 67 mm of rainfall in the month.

  • 28°C maximum daytime temperature in January in Antigua (St John's)28
    28°C max day temperature
  • 8 hours of sunshine per day
  • 16 days with some rainfall in January in Antigua (St John's)16
    16 days with some rainfall
  • 22°C minimum night-time temperature in January in Antigua (St John's)22
    22°C min night temperature
  • 11 hours of daylight per day in January in Antigua (St John's)11
    11 hours of daylight per day
  • Moderate heat & humidity in January in Antigua (St John's)M
    Moderate heat & humidity
  • 67 mm monthly rainfall in January in Antigua (St John's)67
    67 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in January in Antigua (St John's)8
    8 (Very High) UV index
  • 26°C sea temperature in January in Antigua (St John's)26
    26°C sea temperature

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The January weather guide for Antigua (St John's) 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 Antigua destinations

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

All Antigua destinations

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

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More about Antigua

How hot is it in Antigua in January?

Daytime temperatures usually reach 28°C in St John's, Antigua in January with moderate heat and humidity, falling to 22°C at night.

How sunny is it in Antigua in January?

There are normally 8 hours of bright sunshine each day in St John's, Antigua in January - that's 67% of daylight hours.

How warm is the sea around Antigua in January?

The average sea temperature around St John's, Antigua in January is 26°C.

Does it rain in Antigua in January?

There are usually 16 days with some rain in St John's, Antigua in January and the average monthly rainfall is 67mm.

Antigua January sunrise & sunset times

Browse the sunrise and sunset times for Antigua in January 2026. Select a month to view Antigua sunrise and sunset times for the next 12 months. The Antigua sunrise and sunset times shown below are for St John's.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 06:37 17:45
Friday, 16th January 2026 06:40 17:54
Saturday, 31st January 2026 06:39 18:03

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