June weather forecastArroyo, PR

Weather in June

June experiences a further increase in average temperatures and boasts some of the longest days of the year in Arroyo. On the other hand, rainfall recedes to 1.85" (47mm), proving some relief after the peak rainfall recorded in May. These weather patterns of June provide ample opportunities to engage with local community events, visit tourist attractions, and explore the beautiful oceanic landscape of the city. The wind, while picking up speed from the previous month, remains at a comfortable level. The UV index persists at a higher level, necessitating precautions against the sun exposure in this month.

Temperature

As May transitions into June, Arroyo records an average high-temperature of a still moderately hot 84.4°F (29.1°C), showing a gentle shift from the preceding month. An average low-temperature of 75.9°F (24.4°C), slightly less than the daytime peak, marks the month of June.

Heat index

The heat index in June is evaluated at a very hot 95°F (35°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In June, the average relative humidity is 79%.

Rainfall

In June, the rain falls for 19.8 days. Throughout June, 1.85" (47mm) of precipitation is accumulated. Throughout the year, in Arroyo, Puerto Rico, there are 255.3 rainfall days, and 29.41" (747mm) of precipitation is accumulated.

Ocean temperature

In Arroyo, in June, the average water temperature is 83.1°F (28.4°C).
Note: Swimming, diving, and other water activities in the temperature range of 77°F (25°C) to 84.2°F (29°C) are perceived as very enjoyable and comfortable for prolonged durations.

Daylight

With an average of 13h and 12min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 5:47 am and sunset at 6:56 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:03 pm AST.

Sunshine

The month with the most sunshine is June, with an average of 10.4h of sunshine.

UV index

May through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 7 during June leads to these instructions:
Guard oneself from overexposure. Defence against sun injury is vital. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Caution! The Sun's UV rays become stronger due to reflections from water and sand.