Antigua weather by month

Check out Antigua weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °F
82°F maximum daytime temperature in January in St John's82
82°F maximum daytime temperature in February in St John's82
84°F maximum daytime temperature in March in St John's84
84°F maximum daytime temperature in April in St John's84
86°F maximum daytime temperature in May in St John's86
86°F maximum daytime temperature in June in St John's86
88°F maximum daytime temperature in July in St John's88
88°F maximum daytime temperature in August in St John's88
88°F maximum daytime temperature in September in St John's88
86°F maximum daytime temperature in October in St John's86
86°F maximum daytime temperature in November in St John's86
84°F maximum daytime temperature in December in St John's84
Hours of sunshine (daily)
Days with some rainfall
16 days with some rainfall in January in St John's16
13 days with some rainfall in February in St John's13
12 days with some rainfall in March in St John's12
11 days with some rainfall in April in St John's11
14 days with some rainfall in May in St John's14
14 days with some rainfall in June in St John's14
16 days with some rainfall in July in St John's16
16 days with some rainfall in August in St John's16
17 days with some rainfall in September in St John's17
17 days with some rainfall in October in St John's17
17 days with some rainfall in November in St John's17
17 days with some rainfall in December in St John's17
Sea temperature °F
79°F sea temperature in January in St John's79
79°F sea temperature in February in St John's79
79°F sea temperature in March in St John's79
81°F sea temperature in April in St John's81
81°F sea temperature in May in St John's81
82°F sea temperature in June in St John's82
82°F sea temperature in July in St John's82
82°F sea temperature in August in St John's82
84°F sea temperature in September in St John's84
84°F sea temperature in October in St John's84
82°F sea temperature in November in St John's82
81°F sea temperature in December in St John's81

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Antigua by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Antigua (St John's) shows long term monthly 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 for next month - August. Select a destination to see the climate guide for all months of the year.

All Antigua destinations

Metric (°C)  |  Imperial (°F)

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Antigua's climate - an overview

The dual-island nation of Antigua and Barbuda lies at the northern end of the eastern Caribbean island chain. Tourism is by far the mainstay of the economy, employing more than half of the islanders, who are mainly of African decent.

Antigua is the main island, supporting 98% of the population. It is here that tourists are drawn to the idyllic beaches, finding a mixture of small resorts and unspoilt shoreline.

The interior is largely unspectacular scrubland with salt marshes, although occasional banana, coconut, and mango plantations in the south form greener pockets.

Much of Antigua is surrounding by coral reefs, which attract a diverse and colourful array of marine life. The warm coastal waters are calm, clear, and blue making conditions ideal for snorkelling and scuba diving.

The island of Barbuda is rarely visited by tourists. Nevertheless, it has beautiful and deserted beaches and the few local residents are hopelessly outnumbered by a large colony of distinctive frigate birds.

The tropical climate has a short winter dry season running from February to April. This is also the sunniest time of the year, broken only by a few afternoon clouds and very occasional showers.

The peak rainy season lasts from September to November, with the latter month being usually by far the wettest, when heavy and persistent downpours are likely.

Temperatures remain warm all year round, and hurricanes are possible anytime from June to November.

More about Antigua

Compare Antigua with the UK

Below the Antigua chart shows average maximum daytime temperature for Antigua (St John's) and the UK (London).

Maximum daytime temperature (°F)

Antigua (St John's)
UK (London)
82
45
82
45
84
50
84
55
86
63
86
68
88
72
88
72
88
66
86
59
86
50
84
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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