Antigua (St John's) weather in May
Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Excellent
Best time to visit: December – June
What is the weather like in Antigua (St John's) in May?
In May, Antigua (St John's) is hot: daytime highs average 28 °C, and even at night it stays warm at around 26 °C. The sea averages 27.5 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 13 rainy days and 60 mm in total. The air is often humid and muggy. It is often windy, with gusts of around 29 km/h. All in all, May is an excellent month for a holiday in Antigua (St John's).
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 12 h 55 min05:36 – 18:31
- UV index
- 13 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 29 km/haverage daily peakAll months
- Cloud cover
- 55 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−4America/Antigua
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %77 %
- Few rainy daysweight 20 %38 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in May
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
- Windproof jacket
Antigua (St John's) in May: quick answers
Is Antigua (St John's) hot in May?
Yes. In May, Antigua (St John's) is hot: daytime highs average 28 °C and nights stay around 26 °C.
Can you swim in Antigua (St John's) in May?
Yes. In May the sea averages 27.5 °C – lovely and warm for swimming.
Does it rain much in Antigua (St John's) in May?
Rain is frequent, with about 13 rainy days and 60 mm in total.
Antigua (St John's) month by month
The whole year in Antigua (St John's)All destinations: Antigua and BarbudaCaribbean weather in MayWhere to go in MaySea temperature in May
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences