Antigua weather

Read our complete guide to the weather in Antigua.

Usually in March
- 29
- 22
- 8
Weather by month
Now Today
- 27
- 7
5-day forecast

Below are the temperatures expected today at popular destinations in Antigua. Select a destination to compare today's forecast with average weather conditions.

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The weather guide for Antigua (St John's) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

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

When is the best time to go to Antigua?

The best time to go to Antigua (St John's) is January, February, March, April, May, June, July and August based on the following average weather conditions.

Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

4
Jan
4
Feb
4
Mar
4
Apr
4
May
4
Jun
4
Jul
4
Aug
3
Sep
3
Oct
3
Nov
3
Dec

Change criteria

Hours of Sunshine (daily)

8
Jan
8
Feb
8
Mar
8
Apr
8
May
8
Jun
8
Jul
8
Aug
7
Sep
7
Oct
7
Nov
7
Dec

Best time to go for the weather

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

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

Antigua's weather - an overview

Antigua is the largest of the Leeward Islands and its inhabitants are heavily into tourism and cricket. Its 'sister' island, Barbuda, is a complete contrast: very exclusive with just two luxury hotels and a frigate colony.

View of Falmouth Bay and English Harbour, Antigua - photo courtesy of Antigua & Barbuda Tourism Authority

Torrential rain and the occasional hurricane can afflict these islands between July and November but, outside the rainy season, the islands are drier than many parts of the Caribbean.

Tropical storm risk: Antigua hurricane season

% of month affected by tropical storms

<1%

2.8%

4.4%

1.5%

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

The Antigua tropical storm risk chart above shows the hurricane season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

More about tropical storms

They are consistently hot with an all-year average of eight to nine hours of sunshine a day. Winters are slightly cooler. The heat here is rarely too sticky as sea breezes offset the humidity.

What to pack for Antigua weather

Take light clothing with cover-ups for the occasional chilly winter evening; be prepared for bouts of heavy rain between July and November.

More about Antigua

Which is the hottest month in Antigua?

The hottest time of year in St John's, Antigua is normally August. Expect maximum daytime temperatures to reach 31°C with very high heat and humidity.

Which month has the most rain in Antigua?

In terms of rainfall, September is usually the wettest month in St John's, Antigua with 140mm on average. There are normally 17 days in September with some rain.

When is it sunniest in Antigua?

The sunniest time of year in St John's, Antigua is normally January with bright sunshine on average for 67% of daylight hours; that's 8 hours of sunshine per day.

When is the sea warmest in Antigua?

The sea is usually at its warmest in St John's, Antigua in September when the water temperature reaches 29°C.

What is the flight time to Antigua from the UK?

The flight time to Antigua from the UK is typically 9 hours.

What is the time difference between Antigua and the UK?

The time difference between Antigua and the UK is GMT-4 hours.

What is the main language spoken in Antigua?

The main language spoken in Antigua is English.

Learn a language for Antigua with Busuu^*, Lingoda^* and Rocket Languages^*.

What is the currency in Antigua?

The currency in Antigua is the Eastern Caribbean Dollar (ECD).

Which plugs are used in Antigua?

Antigua uses electrical plug type A + B (230 Volts).

Which side of the road do they drive on in Antigua?

They drive on the left side of the road in Antigua.

Compare Antigua weather with the USA

Below the Antigua weather chart shows average maximum daytime temperature for Antigua (St John's) and the USA (Washington).

Maximum daytime temperature (°C)

Antigua (St John's)

USA (Washington)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec