Weather in St John's in August 2019

  • 31°C maximum daytime temperature in August in St John's31
    31°C max day temperature
  • 8 hours of sunshine per day (64% of daylight hours) in August in St John's8
    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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Expect 31°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St John's in August. Check more long-term weather averages for St John's in August before you book your next holiday to Antigua in 2019/2020.

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More about St John's

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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.

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

Guide to St John's weather in August

The average maximum daytime temperature in St John's in August is a hot 31°C (88°F) with very high heat & humidity. The average night-time temperature is usually a warm 25°C (77°F). There are usually 8 hours of bright sunshine each day, which represents 64% of the 13 hours of daylight.

Expect 124mm (4.9 inches) of rainfall across the whole of August with 16 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around St John's in August is 28°C (82°F).

St John's sunrise & sunset times for August 2019

Browse the sunrise & sunset times for St John's in August 2019. Select a month to view St John's sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Thursday, 1st August 2019 05:47 18:40
Friday, 2nd August 2019 05:47 18:40
Saturday, 3rd August 2019 05:48 18:39
Sunday, 4th August 2019 05:48 18:39
Monday, 5th August 2019 05:48 18:38
Tuesday, 6th August 2019 05:48 18:38
Wednesday, 7th August 2019 05:49 18:37
Thursday, 8th August 2019 05:49 18:37
Friday, 9th August 2019 05:49 18:36
Saturday, 10th August 2019 05:49 18:36
Sunday, 11th August 2019 05:50 18:35
Monday, 12th August 2019 05:50 18:35
Tuesday, 13th August 2019 05:50 18:34
Wednesday, 14th August 2019 05:50 18:34
Thursday, 15th August 2019 05:51 18:33
Friday, 16th August 2019 05:51 18:32
Saturday, 17th August 2019 05:51 18:32
Sunday, 18th August 2019 05:51 18:31
Monday, 19th August 2019 05:51 18:30
Tuesday, 20th August 2019 05:52 18:30
Wednesday, 21st August 2019 05:52 18:29
Thursday, 22nd August 2019 05:52 18:28
Friday, 23rd August 2019 05:52 18:28
Saturday, 24th August 2019 05:52 18:27
Sunday, 25th August 2019 05:53 18:26
Monday, 26th August 2019 05:53 18:25
Tuesday, 27th August 2019 05:53 18:25
Wednesday, 28th August 2019 05:53 18:24
Thursday, 29th August 2019 05:53 18:23
Friday, 30th August 2019 05:53 18:22
Saturday, 31st August 2019 05:54 18:22
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