In Duncans, May brings very high daytime temperatures around 30°C (86°F), with nights cooling to 24°C (75°F). Expect quite a bit of rainfall this month.
May in Duncans has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
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Pick a month to see the average temperature, rainfall and sunshine in Duncans - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Duncans typically stay consistent throughout May, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 25°C (77°F).
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Duncans spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Duncans from 1996 through 2026.
Find out more about the weather in Jamaica and which places have the best travel conditions in this month. See all of Jamaica in May →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Duncans climate overview or explore weather in Jamaica.
Where to go in May - average daytime high across popular destinations.
Montego Bay
31°C (88°F) Falmouth30°C (86°F) Runaway Bay30°C (86°F) Treasure Beach
30°C (86°F) Ocho Rios
30°C (86°F) Kingston29°C (84°F) Negril30°C (86°F) Port Antonio28°C (82°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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