St John's weather in July 2025

Expect 31°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St John's in July. Check more long-term weather averages for St John's in July before you book your next holiday to Antigua in 2025/2026.

  • 31°C maximum daytime temperature in July in St John's31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 16 days with some rainfall in July in St John's16
    16 days with some rainfall
  • 25°C minimum night-time temperature in July in St John's25
    25°C min night temperature
  • 13 hours of daylight per day in July in St John's13
    13 hours of daylight per day
  • Very high heat & humidity in July in St John'sVH
    Very High heat & humidity
  • 79 mm monthly rainfall in July in St John's79
    79 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in St John's11
    11+ (Extreme) UV index
  • 28°C sea temperature in July in St John's28
    28°C sea temperature

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The July 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 July?

Daytime temperatures usually reach 31°C in St John's in July with very high heat and humidity, falling to 25°C at night.

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

There are normally 8 hours of bright sunshine each day in St John's in July - that's 63% of daylight hours.

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

The average sea temperature around St John's in July is 28°C.

Does it rain in St John's in July?

There are usually 16 days with some rain in St John's in July and the average monthly rainfall is 79mm.

What is the chance of a hurricane in St John's in July?

On average less than 1 day in July in St John's is likely to be affected by the passage of one or more tropical storms.

St John's July sunrise & sunset times

Browse the sunrise and sunset times for St John's in July 2025. Select a month to view St John's sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:37 18:45
Wednesday, 16th July 2025 05:42 18:45
Thursday, 31st July 2025 05:47 18:40

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