Caribbean
Jamaica (Montego Bay) weather by month
Jamaica (Montego Bay) is warmest in August, with average highs of 32°C, and coolest in January at 28°C. The sea ranges from about 27°C to 31°C, warmest in September.
- WarmestAugust32°C average high
- CoolestJanuary28°C average high
- Warmest seaSeptember31°C on average
- From Dublin≈ 9h 15mdirect, estimated
Jamaica (Montego Bay) through the year
Beach weather (highs of 25°C or more and fewer than seven rainy days) is most likely January to February. October is the wettest month, with rain on about 22 days.
Month by month
| Month | High | Low | Sea | Rainy days | Rain | Sky | Days 25°C+ |
|---|---|---|---|---|---|---|---|
| January | 28° | 22° | 28° | 7 | 52 mm | Some cloud | 98% |
| February | 28° | 22° | 27° | 6 | 47 mm | Some cloud | 98% |
| March | 29° | 22° | 28° | 10 | 64 mm | Some cloud | 100% |
| April | 30° | 23° | 28° | 14 | 98 mm | Some cloud | 100% |
| May | 30° | 24° | 29° | 21 | 192 mm | Often cloudy | 100% |
| June | 31° | 25° | 30° | 16 | 137 mm | Mostly cloudy | 100% |
| July | 31° | 25° | 30° | 15 | 115 mm | Often cloudy | 100% |
| August | 32° | 25° | 30° | 18 | 143 mm | Often cloudy | 100% |
| September | 31° | 25° | 31° | 21 | 173 mm | Often cloudy | 100% |
| October | 30° | 25° | 31° | 22 | 208 mm | Often cloudy | 100% |
| November | 29° | 24° | 30° | 12 | 94 mm | Often cloudy | 100% |
| December | 29° | 23° | 29° | 8 | 58 mm | Some cloud | 99% |
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≈ 9h 15m
- From Cork≈ 9h
- From Belfast≈ 9h 15m
- From London≈ 9h 45m
- From Manchester≈ 9h 30m
- From Glasgow≈ 9h 30m
Air: ERA5 reanalysis via Open-Meteo, 2011–2025, for the grid point at 18.47, -77.92 (11 m). Sea: Copernicus Marine analysis via Open-Meteo, 2023–2025. Averages describe past weather, not a forecast.