St Mary Weather in May
St Mary in May sees high daytime temperatures of 30°C (86°F) and nighttime lows of 24°C (75°F). Rainfall is fairly high this month at around 129 mm (5.1 in), so pack a rain jacket to stay dry.
Rainfall in St Mary in May
The climate data from previous years indicates about 12 days of rain, averaging 129 mm (5.1 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in St Mary in May
St Mary in May gets highs of 30°C (86°F) during the day and drops to 24°C (75°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in St Mary in May
The days are predominantly sunny, with an estimated total of around 257 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit St Mary. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Jamaica, check out our St Mary's climate page.
St Mary Temperature in May
Min Temperature
24°C (75°F)
Max Temperature
30°C (86°F)
Chance of Rain
38%
Precipitation
129 mm (5.1 in)
Rainy days
12 days
Humidity
73% *
Sunshine
257 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in St Mary typically stay consistent throughout May, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in May
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for St Mary in May
Browse day-by-day weather records for St Mary spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
St Mary historical weather extremes in May
The extremes listed below come from historical weather data collected in St Mary from 1997 through 2026.
- On May 12, 2012, temperatures climbed to 34°C (93°F), marking the warmest May day on record.
- The lowest daytime temperature in May was 26°C (79°F), recorded on May 26, 2002.
- The coldest night in May in St Mary was on May 7, 2018, with a minimum of 22°C (72°F).
Best Places in Jamaica in May
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
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tolerable
unpleasant
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What to Wear in St Mary in May
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. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in St Mary in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Jamaica, check out our St Mary's climate page.
Temperature Rainfall Sunshine Humidity
See the full St Mary climate overview or explore weather in Jamaica.
