Antigua climate guide: monthly weather averages

The Antigua climate guides are perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine. The climate guide shown below is for St John's.

Temperature in Antigua
Rainfall in Antigua
Sunshine in Antigua
More climate in Antigua

Temperature in Antigua (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	28	28	29	29	30	30	31	31	31	30	30	29
Min temperature (night-time)	22	22	22	23	24	25	25	25	25	24	23	23
Sea temperature	26	26	26	27	27	28	28	28	29	29	28	27

Sunshine & Daylight in Antigua

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	8	8	8	8	8	8	8	8	7	7	7	7
Daily hours of daylight	11	12	12	13	13	13	13	13	12	12	11	11

Rainfall in Antigua

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	16	13	12	11	14	14	16	16	17	17	17	17
Average monthly rainfall (mm)	67	37	40	57	91	70	79	124	140	134	113	88

More climate for Antigua

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV Index (Maximum)	8	10	11	11	11	11	11	11	11	10	9	8
Heat & Humidity	M	M	M	H	H	H	VH	VH	VH	H	H	M

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

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

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More about Antigua

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

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Antigua climate overview

The dual-island nation of Antigua and Barbuda lies at the northern end of the eastern Caribbean island chain. It was a British colony for centuries and today exists as an independent country within the Commonwealth. 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.

Antigua climate by month

Check Antigua climate for a particular month by selecting from the list below. Monthly climate guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.