St Mary Weather in August
August in St Mary averages 32°C (90°F) during the day and 25°C (77°F) at night. Quite a bit of rainfall is typical this month, with around 77 mm (3 in) on average. An umbrella is a good idea.
Rainfall in St Mary in August
On average, there are about 13 days with rain during this month, averaging 77 mm (3 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in St Mary in August
Expect highs of 32°C (90°F) in St Mary in August, with nights dropping to around 25°C (77°F). For most visitors, the main thing to prepare for is the heat during the day. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding. These are average temperatures, but occasional heat spikes are possible. Stay comfortable by wearing light clothing and drinking water.
Sunshine in St Mary in August
With approximately 263 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If you prefer dry days with pleasant temperatures, January, February, March, April and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 August
Min Temperature
25°C (77°F)
Max Temperature
32°C (90°F)
Chance of Rain
43%
Precipitation
77 mm (3 in)
Rainy days
13 days
Humidity
76% *
Sunshine
263 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in St Mary typically stay consistent throughout August, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for St Mary in August
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 August
Based on weather observations in St Mary between 2004 and 2025, these are the recorded extremes during August.
- St Mary recorded its highest August temperature of 37°C (99°F) on August 5, 2004.
- The lowest daytime temperature in August was 27°C (81°F), recorded on August 11, 2007.
- Nighttime temperatures dropped to 22°C (72°F) on August 13, 2013, marking the coldest August night on record.
Best Places in Jamaica in August
Find out more about the weather in Jamaica and which places have the best travel conditions in this month. See all of Jamaica in August →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in St Mary in August
Warm weather calls for comfortable, breathable clothing in August. 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. 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 August
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.
