June weather forecast
Vega Alta, PR

June establishes itself as the hottest month in Vega Alta with a soaring high temperature of 84.2°F (29°C). The uniform visibility and daylight just above 13 hours ensure a consistent and predictable weather pattern throughout the month. Notably, clouds cover approximately 32% of the sky, making the weather appear slightly overcast compared with May. Maintaining a trend, this period also witnesses an increase in wind speed. With 77.5°F (25.3°C) being the lowest temperature in June, it allows for a mild cool break from the scorching heat of the day.

Temperature

The transition into June notes an average high-temperature of a still warm 84.2°F (29°C), revealing a mild distinction from the 82.6°F (28.1°C) in May. Vega Alta observes a minimal variance in temperature, with a consistent average low of 77.5°F (25.3°C) during the nights of June.

Heat index

In June, the average heat index is appraised at a torrid 95°F (35°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Note that heat index values are valued for light wind and location in the shade. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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 natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

May through July and November, with an average relative humidity of 79%, are the most humid months.

Rainfall

In June, the rain falls for 15.8 days. Throughout June, 1.77" (45mm) of precipitation is accumulated. In Vega Alta, during the entire year, the rain falls for 223.5 days and collects up to 27.95" (710mm) of precipitation.

Daylight

The month with the longest days is June, with an average of 13h and 12min of daylight.
On the first day of the month, sunrise is at 5:48 am and sunset at 6:58 pm. On the last day of June, sunrise is at 5:52 am and sunset at 7:05 pm AST.

Sunshine

May and June, with an average of 10.8h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are May through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In June, a regular UV index of 7 translates into these guidelines:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.