Caribbean
Antigua weather by month
Antigua is warmest in August, with average highs of 30°C, and coolest in January at 27°C. The sea ranges from about 27°C to 30°C, warmest in September.
- WarmestAugust30°C average high
- CoolestJanuary27°C average high
- Warmest seaSeptember30°C on average
- From Dublin≈ 8hdirect, estimated
Antigua through the year
Beach weather (highs of 25°C or more and fewer than seven rainy days) is most likely January to February. August is the wettest month, with rain on about 14 days.
Month by month
| Month | High | Low | Sea | Rainy days | Rain | Sky | Days 25°C+ |
|---|---|---|---|---|---|---|---|
| January | 27° | 24° | 27° | 6 | 38 mm | Some cloud | 100% |
| February | 27° | 24° | 27° | 6 | 41 mm | Some cloud | 100% |
| March | 28° | 24° | 27° | 8 | 38 mm | Some cloud | 100% |
| April | 28° | 24° | 27° | 9 | 55 mm | Some cloud | 100% |
| May | 29° | 25° | 29° | 11 | 78 mm | Often cloudy | 100% |
| June | 29° | 26° | 29° | 9 | 53 mm | Often cloudy | 100% |
| July | 30° | 26° | 29° | 13 | 80 mm | Often cloudy | 100% |
| August | 30° | 26° | 30° | 14 | 110 mm | Often cloudy | 100% |
| September | 30° | 26° | 30° | 14 | 110 mm | Often cloudy | 100% |
| October | 29° | 26° | 30° | 13 | 123 mm | Often cloudy | 100% |
| November | 29° | 25° | 29° | 11 | 97 mm | Often cloudy | 100% |
| December | 28° | 25° | 28° | 8 | 58 mm | Some cloud | 100% |
Shaded rows: beach weather (January to February). Rainy day = 2 mm or more. Sky = average cloud cover. How we measure
Flying time
Estimated from the distance for a direct flight. Real schedules vary, and many long-haul trips need a connection.
- From Dublin≈ 8h
- From Cork≈ 7h 45m
- From Belfast≈ 8h 15m
- From London≈ 8h 30m
- From Manchester≈ 8h 30m
- From Glasgow≈ 8h 15m
Air: ERA5 reanalysis via Open-Meteo, 2011–2025, for the grid point at 17.12, -61.85 (0 m). Sea: Copernicus Marine analysis via Open-Meteo, 2023–2025. Averages describe past weather, not a forecast.