October weather forecast
Les Cayes, Haiti

October storms into action with the highest annual rainfall of 340mm (13.39"), crowning it Les Cayes, Haiti's wettest month. Air temperatures slightly deviate from previous months, ushering in cooler nights. However, the daytime warmth endures, softened by the increased downpour frequencies. Acknowledging autumn's arrival, daylight further reduces, and the sea begins to cool marginally. Amid the heavy rainfall and cooler temperatures, October stands as the gatekeeper between the extravagant monsoon and the ensuing winter months.

Temperature

At the onset of October, Les Cayes records an average high-temperature of a still tropical 31°C (87.8°F), showing little deviation from the preceding month. Nighttime temperatures consistently average an agreeable 22°C (71.6°F) during October.

Rainfall

October is the month with the most rainfall. Rain falls for 15 days and accumulates 340mm (13.39") of precipitation.

Sea temperature

In Les Cayes, in October, the average water temperature is 29.5°C (85.1°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.

Daylight

In October, the average length of the day is 11h and 43min.
On the first day of October in Les Cayes, sunrise is at 06:45 and sunset at 18:43. On the last day of the month, sunrise is at 06:54 and sunset at 18:22 EDT.

Sunshine

The months with the least sunshine in Les Cayes are January, May, June, September through December, with an average of 7h of sunshine.

UV index

In Les Cayes, Haiti, the average daily maximum UV index in October is 10. A UV Index estimate of 8 to 10 represents a very high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In October, the UV index of 10 transforms into the following advice:
Immediate precautions are necessary; otherwise, skin and eyes might get damaged quickly. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Even when the sky is cloudy, apply generously and frequently reapply a sunscreen with SPF 30 or more, especially post every swim or outdoor exercise. Caution! Sand and water reflections can notably increase the UV radiation intensity.