Antigua weather

Our guide to the weather in Antigua during January

26

Average high

6

UV Index

68mm

Monthly rainfall

27

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. January falls in the dry season, which runs from December to 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 January.

How warm is it in Antigua during January?

The temperature is extremely stable in January with average highs of 26℃ and lows just 1℃ lower at 25℃. 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 January?

On average, there will be 2 rainy days during the month, amounting to 67.6mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. You're not likely to see a thunderstorm during your trip.

Is it windy in Antigua during January?

Expect moderate breeze becoming stronger at times during January, with occasional gusts up to 23mph. 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 January?

The water around Antigua reaches a very pleasant 27℃ during January. 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

Antigua weather in

May
27.9

Antigua weather in

June
28.2

Antigua weather in

July
28.5

Antigua weather in

August
28.8

Antigua weather in

September
28.5

Antigua weather in

October
27.8

Antigua weather in

November
26.9

Antigua weather in

December