October weather forecast
Port Antonio, Jamaica

October weather continues with the trend of increased rainfall. Heavy rainfall commences an overall wet condition in the environment. Changes in daylight and sunshine hours are minor but in favor of less sunshine. Tourists can savour the sea that maintains high temperature. A drop in the UV index to 10 signals slight relief from the intense summer radiation.

Temperature

October's advent records an average high-temperature of a still tropical 30°C (86°F), matching the reading from the prior month. Throughout the month of October, the average temperature in Port Antonio dips to an agreeable 21°C (69.8°F) at night.

Rainfall

In October, in Port Antonio, Jamaica, the rain falls for 16 days. Throughout October, 337mm (13.27") of precipitation is accumulated. Throughout the year, in Port Antonio, Jamaica, there are 125 rainfall days, and 2639mm (103.9") of precipitation is accumulated.

Sea temperature

In Port Antonio, the average seawater temperature in October is 29.4°C (84.9°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In Port Antonio, Jamaica, the average length of the day in October is 11h and 43min.
On the first day of October, sunrise is at 05:56 and sunset at 17:54. On the last day of the month, sunrise is at 06:05 and sunset at 17:33 EST.

Sunshine

September through November, with an average of 6h of sunshine, are months with the least sunshine in Port Antonio, Jamaica.

UV index

In October, the average daily maximum UV index is 10. A UV Index of 8 to 10 symbolizes a very high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In October, the maximum UV index of 10 transforms into these recommendations:
Don't neglect protection; skin and eyes can be burned swiftly if left exposed. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Despite the cloud cover, sunscreen with an SPF of at least 30 should be generously applied and reapplied, particularly after a swim or an outdoor workout. Attention! UV strength is notably upped by the reflection of sand and water.