June weather forecast
Toa Alta, PR

The heat continues to rise in June as Toa Alta heads towards the mid-year mark. Stepping into the month, one can sense the pronounced intensification of the tropical ambiance, marked by higher humidity, persistent heat, and radiant sunshine. Rainfall slightly recedes from the May peak, paving the way for clearer skies while the wind picks up the pace, offering intermittent cool gusts. The noteworthy meteorological trait of June is the generous sunshine of 13.2 daylight hours, the highest of the year.

Temperature

June is marked by an average high-temperature of a still moderately hot 84.2°F (29°C), almost identical to the preceding month. Toa Alta's June nights observe a minor shift from the daytime temperatures, resulting in an average dip to a still moderately hot 77.5°F (25.3°C).

Heat index

In June, the heat index is appraised at a fiery hot 95°F (35°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Heat index data is primarily for areas with shade and subjected to light winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

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

Rainfall

In Toa Alta, in June, during 15.8 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, there are 223.5 rainfall days, and 27.95" (710mm) of precipitation is accumulated.

Daylight

June has the longest days of the year, with an average of 13h and 12min of daylight.
On the first day of June in Toa Alta, sunrise is at 5:47 am and sunset at 6:58 pm. On the last day of the month, 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

May through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 7 during June translates into these guidelines:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. 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. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.