St John's weather in January 2026

Expect daytime maximum temperatures of 28°C in St John's 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 St John's28
    28°C max day temperature
  • 8 hours of sunshine per day
  • 16 days with some rainfall in January in St John's16
    16 days with some rainfall
  • 22°C minimum night-time temperature in January in St John's22
    22°C min night temperature
  • 11 hours of daylight per day in January in St John's11
    11 hours of daylight per day
  • Moderate heat & humidity in January in St John'sM
    Moderate heat & humidity
  • 67 mm monthly rainfall in January in St John's67
    67 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in January in St John's8
    8 (Very High) UV index
  • 26°C sea temperature in January in St John's26
    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.

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

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More about Antigua

How hot is it in St John's in January?

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

How sunny is it in St John's in January?

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

How warm is the sea around St John's in January?

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

Does it rain in St John's in January?

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

St John's January sunrise & sunset times

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

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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