October weather forecast
Port-au-Prince, Haiti

October maintains the trend of high rainfall with 114mm (4.49"), sealing the wet season's last hurrah. Comparably, the maximum temperature declines to 29.2°C (84.6°F), and the minimum temperature shifts to 20.8°C (69.4°F), signaling the arrival of the cooler months. This month also sees a minor increase in wind speed, helping to dissipify the lingering humidity. However, the sea remains warm at 29.5°C (85.1°F), providing a refreshing contrast to the wet weather. Despite the damp conditions, daylight continues to shine for about 11.7 hours per day, casting a beautiful glow over the city.

Temperature

With the onset of October, the average high-temperature in Port-au-Prince stands at a still moderately hot 29.2°C (84.6°F), closely aligned with September's 29.8°C (85.6°F). In Port-au-Prince, the expected average low-temperature for October is a pleasant 20.8°C (69.4°F).

Heat index

October's mean heat index is estimated at a very hot 35°C (95°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

In Port-au-Prince, the average relative humidity in October is 79%.

Rainfall

In October, the rain falls for 24.4 days. Throughout October, 114mm (4.49") of precipitation is accumulated. Throughout the year, there are 227.4 rainfall days, and 904mm (35.59") of precipitation is accumulated.

Sea temperature

In October, the average sea temperature is 29.5°C (85.1°F).
Note: For swimming, diving, and similar activities, the water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered delightful, allowing for extended periods of enjoyment without discomfort.

Daylight

In October, the average length of the day is 11h and 43min.
On the first day of the month, sunrise is at 06:39 and sunset at 18:37. On the last day of October, in Port-au-Prince, sunrise is at 06:48 and sunset at 18:16 EDT.

Sunshine

In October, the average sunshine in Port-au-Prince is 9.2h.

UV index

The months with the lowest UV index in Port-au-Prince are January through May, July through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In October, a daily maximum UV index of 6 leads to the following instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. 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. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take note! Sand and water reflections strengthen the Sun's UV exposure.