Antigua Weather in May 2026: what to expect (7.7/10)

The month in detail

What to expect in May

May falls in the wet season in Antigua. Showers are often brief but intense. With 60.0% of rainy days, always have indoor alternatives planned. A good balance between weather and crowds, even if January (7.9/10) remains theoretically better.

May ranks 5 out of 12 months in Antigua. Compared to April: +2°F daytime.

This month's conditions

What it's like in May

UV index

9 · very high

protection essential

Feels like

very humid

22°

Sea

30°C

warm, ideal

Daylight

12.8h of daylight

Air quality

good

AQI 26

Compare

Is May the right month?

The best month in Antigua is January (7.9/10), 0.2 pt higher than May.

See January →See all 12 months →

Context

Our verdict

Antigua and Barbuda is an independent state in the Lesser Antilles: 110 sq miles, 100,000 inhabitants. 365 beaches on Antigua, that's the marketing promise ("a beach a day"). March is my favorite month (8.4/10): 75-82°F, 51% rain, sea at 77°F.

Read Gilles' full review →

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

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Stay

Hotels & rentals · Antigua

Expedia →

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Activities

Tours, tickets, experiences

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Flights

Multi-airline comparator

Kiwi →

🎟️ Activities & tours · Antigua

GetYourGuide selection · free cancellation

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Affiliate link · GetYourGuide

Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.

Country · Antigua and Barbuda

🗣️LanguageEnglish

💶CurrencyEast Caribbean Dollar ($)

🚗DrivingLeft-hand

🛡️Safety ⓘVery safe · 1/5

💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTropical

📈Climate trend ⓘ+1.60°F/decade

🔥Hottest monthJune · 86°F

❄️Coolest monthFebruary · 81°F

🌧️Rainiest month ⓘSeptember · 73%

🏝️ Tropical stay

🌞Dry season ⓘMay → Sep

🌧️Wet season ⓘDec → Mar

🌀Cyclones ⓘSeason Nov-Apr

Explore

Other destinations in May

If May doesn't convince you for this destination, compare with others.

Similar climate

BasseterreSaint Kitts and Nevis

Puerto RicoPuerto Rico

San JuanPuerto Rico

GuadeloupeGuadeloupe

MartiniqueMartinique

Nearby

Saint BarthélemySaint Barthélemy135 km

Saint MartinSaint Martin165 km

DominicaDominica197 km

MartiniqueMartinique290 km

Other top picks

Hawaii / MauiUnited States7.8

🗺️ See all 754 destinations on the map

Location

Where is Antigua ?

Global position + regional geographic context.

🌍 World

🔍 Geographic context

Antigua and Barbuda

Tropical climate with a 7.9 → 4.7 gap between best and worst month. 10 years of ERA5 data to choose by project.

17.12°N · 61.85°W

Questions

Frequently asked questions

What is the best time to visit Antigua?

March is the best month with 82°F highs, 75°F lows, 7.1h of sunshine and 51.0% rainy days. The months of March & January offer comparable conditions.

How many hours of sunshine does Antigua get in March?

Antigua averages 7.1 sunshine hours per day in March. It is the sunniest month with a climate score of 7.4/10.

What is the rainiest month in Antigua?

September is the most unfavourable month with September has the lowest climate score of the year and the lowest climate score of the year.

What are the temperatures at night in Antigua in March?

In March, overnight lows reach 75°F, while afternoon highs average 82°F.

Is Antigua good in winter?

In winter (December-February), Antigua scores 7.3/10 on average — Acceptable conditions for cultural visits.. The best month overall remains March with a score of 7.4/10.

When should you avoid Antigua?

September is the most difficult month to visit Antigua, with September has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.

Can you swim in Antigua in May?

In May, the sea averages 85°F in Antigua: warm, ideal. Ideal conditions for swimming and snorkeling.

Do you need sun protection in Antigua in May?

The average UV index reaches 9 in May in Antigua (very high), with about 12.8h of daylight. Protection essential.