October weather forecast
Fajardo, PR

In October, Fajardo starts to reel in from the summer, venturing into slightly cooler terrain. While the temperatures rarely plummet, there is a discernible gradual decline. Close synchrony with previous months is observed, with substantial rainfall marking about 20 days comprising 2.44in in total. However, the city's beauty remains undiminished, drenched in tropical sunlight, which more than makes up for the short showers. Consequently, October remains a good time for tourists to experience the city in all its autumnal glory.

Temperature

Fajardo starts October with an average high-temperature of a still warm 83.8°F (28.8°C), hinting at a minimal fluctuation from September. Throughout October nights, Fajardo records a consistent low-temperature averaging a still moderately hot 80.8°F (27.1°C).

Heat index

During October, the heat index is computed to be a tropical 93.2°F (34°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

The average relative humidity in October in Fajardo is 77%.

Rainfall

In Fajardo, Puerto Rico, in October, during 20 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Fajardo, during the entire year, the rain falls for 216 days and collects up to 21.5" (546mm) of precipitation.

Ocean temperature

In Fajardo, in October, the average water temperature is 84.4°F (29.1°C).
Note: Surface water temperatures between 77°F (25°C) and 84.2°F (29°C) offer outstanding conditions for any water activity, providing extreme pleasure for extended periods.

Daylight

In Fajardo, the average length of the day in October is 11h and 43min.
On the first day of the month, sunrise is at 6:13 am and sunset at 6:10 pm. On the last day of October, sunrise is at 6:22 am and sunset at 5:50 pm AST.

Sunshine

The average sunshine in October in Fajardo is 7.7h.

UV index

The months with the highest UV index in Fajardo are January, March through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In October, the maximum UV index of 7 suggests this advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.