June weather forecast
Luquillo, PR

In June, Luquillo experiences hot, humid, and rainy conditions indicative of the peak summer season. The climate continues to warm, with the mercury subtly sliding towards the summer peak. The rainfall increases marginally to 1.65" (42mm), keeping the environment humid and enriched. June boosts the highest sunshine hours of 10.6 hours in the year, allowing residents and tourists to enjoy extended daylight hours. Simultaneously, the wind speed, although increasing to 11mph (17.7km/h), only serves to stir up a calm and misty atmosphere.

Temperature

June's average high-temperature is a still moderately hot 82.9°F (28.3°C), maintaining a close comparison with May's 81.5°F (27.5°C). June nighttime temperatures hover close to the daytime peak with an average of 79.7°F (26.5°C).

Heat index

Throughout June, the heat index is calculated to be a hot 91.4°F (33°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

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

Rainfall

In Luquillo, in June, it is raining for 17.4 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, in Luquillo, there are 216 rainfall days, and 21.5" (546mm) of precipitation is accumulated.

Daylight

With an average of 13h and 12min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:45 am and sunset at 6:55 pm. On the last day of June, sunrise is at 5:50 am and sunset at 7:03 pm AST.

Sunshine

With an average of 10.6h of sunshine, June has the most sunshine of the year.

UV index

January, March through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: An average maximum UV index of 7 in June leads to these recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.