St Mary in July sees very high daytime temperatures of 32°C (90°F) and nighttime lows of 25°C (77°F). Moderate rainfall is typical, with around 56 mm (2.2 in) for the month.
Should you favor a climate that's both dry and comfortably warm, January, February, March, April and December typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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Pick a month to see the average temperature, rainfall and sunshine in St Mary - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in St Mary typically stay consistent throughout July, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 27°C (81°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 St Mary spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in St Mary between 1997 and 2026, these are the recorded extremes during July.
Find out more about the weather in Jamaica and which places have the best travel conditions in this month. See all of Jamaica in July →
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 weather calls for comfortable, breathable clothing in July. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full St Mary climate overview or explore weather in Jamaica.
Where to go in July - average daytime high across popular destinations.
Treasure Beach
31°C (88°F) Falmouth32°C (90°F) Runaway Bay32°C (90°F) Ocho Rios
32°C (90°F) Montego Bay
32°C (90°F) Kingston30°C (86°F) Negril31°C (88°F) Port Antonio30°C (86°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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