October weather forecast
Punta Santiago, PR

October continues the trend of gradually falling temperatures in Punta Santiago. Sunshine hours are reduced and cooler sea temperatures contribute to a drop in overall atmospheric pressures. Despite these modifications, no significant changes in the monthly rainfall are observed. Alongside shorter days, cloud cover begins to increase leading to a marginal increase rainfall. Notably, the monthly average temperature records a downward shift to 84.4°F (29.1°C) whilst the rainfall received stays steady at about 4.25" (108mm) spread over 24.3 days.

Temperature

As Punta Santiago transitions into October, the average high-temperature stands at a still warm 84.4°F (29.1°C), offering little variation from the preceding month. Night temperatures during October in Punta Santiago stabilize at an average of 78.6°F (25.9°C), closely mirroring the daytime temperatures.

Heat index

October's average heat index is calculated to be a sweltering 95°F (35°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

In October, the average relative humidity is 79%.

Rainfall

In Punta Santiago, in October, during 24.3 rainfall days, 4.25" (108mm) of precipitation is typically accumulated. Throughout the year, there are 268.8 rainfall days, and 38.58" (980mm) of precipitation is accumulated.

Ocean temperature

In Punta Santiago, Puerto Rico, the average seawater temperature in October is 84.4°F (29.1°C).
Note: Water activities including swimming and diving are pleasurable in temperatures between 77°F (25°C) and 84.2°F (29°C), ensuring comfort and enjoyment for extended time frames.

Daylight

The average length of the day in October in Punta Santiago is 11h and 43min.
On the first day of October, sunrise is at 6:13 am and sunset at 6:11 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 5:50 pm AST.

Sunshine

In Punta Santiago, the average sunshine in October is 7.8h.

UV index

April through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 7 in October translates into this advice:
Ward off overexposure. Defence against solar harm is crucial. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be mindful! Sand and water reflections can up the Sun's UV exposure.