November weather forecast
Arroyo, PR

November marks a significant reduction in the heat index, with temperatures and sea warmth seeing a noticeable dip. However, the tropical charm of Arroyo is far from diminishing. With rainfall reducing to 2.99" (76mm), the pace of life in the city quickens again after the wet spell. The progressive decrease in the amount of sunshine makes the weather more enjoyable for sightseeing and exploration. The consistent wind speed along with falling humidity sets the stage for a pleasant climatic phase as the year draws closer to an end.

Temperature

November brings a marginal elevation to a still moderately hot 82.4°F (28°C) from October's 84°F (28.9°C) in Arroyo's average high-temperatures. In November, Arroyo's nights cool slightly to a consistent average temperature of 74.5°F (23.6°C).

Heat index

For November, the heat index is evaluated at a hot 89.6°F (32°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

November is the most humid month, with an average relative humidity of 82%.

Rainfall

In November, the rain falls for 24.5 days. Throughout November, 2.99" (76mm) of precipitation is accumulated. Throughout the year, there are 255.3 rainfall days, and 29.41" (747mm) of precipitation is accumulated.

Ocean temperature

In Arroyo, Puerto Rico, in November, the average water temperature is 83.8°F (28.8°C).
Note: Temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.

Daylight

In November, the average length of the day is 11h and 17min.
On the first day of November, sunrise is at 6:23 am and sunset at 5:51 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 5:47 pm AST.

Sunshine

In Arroyo, Puerto Rico, the average sunshine in November is 6.6h.

UV index

January through April, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during November leads to these advisories:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take caution! The UV rays from the Sun gain strength from sand and water reflections.