St Mary Weather in October
October in St Mary averages 30°C (86°F) during the day and 25°C (77°F) at night. It is the wettest month of the year, with 143 mm (5.6 in) of rainfall on average, so waterproof gear is a must.
Rainfall in St Mary in October
As the month with the highest rainfall, make sure to have an umbrella to manage the showers. Typically, you can expect about 16 days of rain this month, with 143 mm (5.6 in) on average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in St Mary in October
October in St Mary brings typical temperatures with highs around 30°C (86°F) and lows of 25°C (77°F). For most visitors, the main thing to prepare for is the heat during the day. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in St Mary in October
The month enjoys around 226 hours of sunshine, creating mostly sunny days with good weather conditions.October in St Mary 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.
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 October
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Chance of Rain
53%
Precipitation
143 mm (5.6 in)
Rainy days
16 days
Humidity
81% *
Sunshine
226 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in St Mary typically stay consistent throughout October, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in October
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 October
Historical weather for St Mary in October
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 October
Based on weather observations in St Mary between 1976 and 2025, these are the recorded extremes during October.
- On October 25, 2002, temperatures climbed to 37°C (99°F), marking the warmest October day on record.
- On October 23, 2012, St Mary saw its coldest October day with temperatures maxing out at 26°C (79°F).
- The lowest overnight temperature recorded in October was 21°C (70°F) (October 30, 1988).
Best Places in Jamaica in October
Find out more about the weather in Jamaica and which places have the best travel conditions in this month. See all of Jamaica in October →
perfect weather
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tolerable
unpleasant
poor
What to Wear in St Mary in October
Warm weather calls for comfortable, breathable clothing in October. 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). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in St Mary in October
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.
