Very hot in May
35°C average high
avg high · 24° at night
25°C+ on almost every day · often 35°C+
Caribbean
Jamaica (Montego Bay) weather in May
Is it warm? Yes. May in Jamaica (Montego Bay) is hot: afternoons average 30°C and nights 24°C. Most days (80%) peak between 29°C and 32°C.
Hot · average high
30°C
25°C or more on almost every day.
- Average low24°overnight
- Sea29°average, 2023–2025
- Rainy days21192 mm in the month
- SkyOften cloudy52% cloud · 27% clear days
How warm it really gets
Every May afternoon from 2011–2025: 465 days. Most (80%) peaked between 29° and 32°.
May, year by year
The average May high in each year. The warmest, 2020, averaged 32°C; the coolest, 2014, 30°C.
Compared with home
Average May highs. Expect rain on about 21 days (192 mm in a typical month).
- Jamaica (Montego Bay)30°
- London17°
- Manchester16°
- Cork15°
- Dublin15°
- Glasgow15°
- Belfast14°
Warmer in May, not much further
Flying times are estimates from Dublin; Jamaica (Montego Bay) is about 9h 15m.
Very hot in May
35°C average high
avg high · 21° at night
25°C+ on almost every day · often 35°C+
Very hot in May
39°C average high
avg high · 23° at night
25°C+ on almost every day · often 35°C+
Air: ERA5 reanalysis via Open-Meteo, 2011–2025. Sea: Copernicus Marine analysis via Open-Meteo, 2023–2025. Rainy day = 2 mm or more. Clear day = average cloud cover of 30% or less. These are averages of past weather, not a forecast. Methodology