October weather forecast
Yabucoa, PR

October brings subtle changes to Yabucoa's established weather pattern. The temperatures initiate a gradual descent, indicating the advent of the cooler months ahead. Meanwhile, the daylight hours diminish yet maintain a stable rhythm that favours the tropical climate. Rainfall levels see a slight decrease to 2.83" (72mm), drawing a soothing closure to the wetter seasons. As the city transitions into November, the weather scenario undergoes mild modifications.

Temperature

The arrival of October brings an average high-temperature of a still warm 84.4°F (29.1°C), subtly diverging from September's 84.6°F (29.2°C). The nights of October in Yabucoa are characterized by an average low-temperature of 77.9°F (25.5°C), subtly descending from daytime highs.

Heat index

October's heat index is calculated to be a torrid 95°F (35°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

In October, the average relative humidity in Yabucoa is 80%.

Rainfall

In October, in Yabucoa, Puerto Rico, the rain falls for 21.3 days. Throughout October, 2.83" (72mm) of precipitation is accumulated. In Yabucoa, during the entire year, the rain falls for 223.2 days and collects up to 27.87" (708mm) of precipitation.

Daylight

In October, the average length of the day in Yabucoa is 11h and 44min.
On the first day of the month, sunrise is at 6:14 am and sunset at 6:11 pm. On the last day of October, in Yabucoa, sunrise is at 6:22 am and sunset at 5:51 pm AST.

Sunshine

In Yabucoa, the average sunshine in October is 7.8h.

UV index

May through November, with an average maximum UV index of 7, are months with the highest UV index in Yabucoa. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 7 during October leads to these advisories:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.