Port Royal 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: June – July, November – April
What is the weather like in Port Royal in May?
In May, Port Royal is hot: daytime highs average 29 °C, and even at night it stays warm at around 25 °C. The sea averages 28.2 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 14 days, totalling 105 mm. The air is often humid and muggy. All in all, May is an excellent month for a holiday in Port Royal.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 12 h 58 min05:35 – 18:32
- UV index
- 13 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 54 %on averageAll months
- Hot days
- 5 days30 °C or moreAll months
- Time zone
- UTC−5America/Jamaica
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %87 %
- Few rainy daysweight 20 %26 %
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
Port Royal in May: quick answers
Is Port Royal hot in May?
Yes. In May, Port Royal is hot: daytime highs average 29 °C and nights stay around 25 °C. On about 5 days the thermometer climbs to 30 °C or more.
Can you swim in Port Royal in May?
Yes. In May the sea averages 28.2 °C – lovely and warm for swimming.
Does it rain much in Port Royal in May?
It rains often – on about 14 days, adding up to 105 mm.
Port Royal month by month
The whole year in Port RoyalAll destinations: JamaicaCaribbean 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