St John's weather in August 2021

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  • 31°C maximum daytime temperature in August in St John's31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 16 days with some rainfall in August in St John's16
    16 days with some rainfall
  • 25°C minimum night-time temperature in August in St John's25
    25°C min night temperature
  • 13 hours of daylight per day in August in St John's13
    13 hours of daylight per day
  • Very high heat & humidity in August in St John'sVH
    Very High heat & humidity
  • 124 mm monthly rainfall in August in St John's124
    124 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in St John's11
    11+ (Extreme) UV index
  • 28°C sea temperature in August in St John's28
    28°C sea temperature
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The August weather guide for St John's, Antigua 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.

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

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

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

There are normally 8 hours of bright sunshine each day in St John's in August - that's 64% of daylight hours.

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

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

Does it rain in St John's in August?

There are usually 16 days with some rain in St John's in August and the average monthly rainfall is 124mm.

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

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

St John's sunrise & sunset times for August 2021

Browse the sunrise & sunset times for St John's in August 2021. Select a month to view St John's sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st August 2021 05:47 18:40
Monday, 16th August 2021 05:51 18:32
Tuesday, 31st August 2021 05:54 18:21
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in Antigua in August for 2021/2022?

Below are average maximum temperatures at popular destinations in Antigua in August. Select a destination to see more weather parameters.

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