Antigua weather

Our guide to the weather in Antigua during December

27

Average high

6

UV Index

110mm

Monthly rainfall

28

Sea temperature

The tropical island of Antigua sits on the boundary between the Atlantic and Caribbean and is a favourite holiday destination for Irish tourists. December is the start of the dry season, which runs until mid-April. We've looked at the most up-to-date weather data for Antigua, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Antigua weather in December.

How warm is it in Antigua during December?

The temperature is extremely stable in December with average highs of 27℃ and lows just 1℃ lower at 26℃. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Antigua during December?

On average, there will be 3 rainy days during the month, amounting to 110.0mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. Due to the high temperature and humidity, you might expect lots of thunderstorms, however they're actually fairly infrequent at this time of year. On average, December will see just 1 days that produce a storm.

Is it windy in Antigua during December?

Expect moderate breeze becoming stronger at times during December, with occasional gusts up to 22mph. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.

How warm is the sea in Antigua during December?

The water around Antigua reaches a very pleasant 28℃ during December. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature and relatively high humidity will mean that you will feel comfortably warm when coming out of the water.

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Weather in Antigua

Our month-by-month guide to the weather and climate in Antigua

26.2

Antigua weather in

January
25.9

Antigua weather in

February
25.9

Antigua weather in

March
26.4

Antigua weather in

April
27.2

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May
27.9

Antigua weather in

June
28.2

Antigua weather in

July
28.5

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August
28.8

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September
28.5

Antigua weather in

October
27.8

Antigua weather in

November
26.9

Antigua weather in

December