June weather forecast
Barceloneta, PR

June continues on the trajectory set by May but with subtle shifts in weather patterns. Heights of summer are reached, with average monthly temperature peaking and sea temperatures reaching an inviting 83°F (28.3°C). However, there is a significant decrease in the rainfall volume to 2.13" (54mm), even though June sees a slight reduction in the number of rainfall days to 17.3. Therefore, outdoor enthusiasts should prepare for the possibility of spontaneous showers.

Temperature

The introduction of June notes a subtle temperature variation to a still warm 84.6°F (29.2°C) from May's 83.1°F (28.4°C). Barceloneta, during June nights, observes a steady temperature, averaging at a still moderately hot 77°F (25°C).

Heat index

In June, the average heat index is evaluated at a sweltering 95°F (35°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. 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. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

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

Rainfall

In Barceloneta, during June, the rain falls for 17.3 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Barceloneta, during the entire year, the rain falls for 213.7 days and collects up to 28.66" (728mm) of precipitation.

Ocean temperature

In Barceloneta, in June, the average water temperature is 82.9°F (28.3°C).
Note: For activities in the water such as swimming or diving, temperatures from 77°F (25°C) to 84.2°F (29°C) are considered optimal for prolonged enjoyment without discomfort.

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 6:59 pm. On the last day of June, sunrise is at 5:53 am and sunset at 7:06 pm AST.

Sunshine

June has the most sunshine of the year, with an average of 10.9h of sunshine.

UV index

April through November, 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: The daily high UV index of 7 in June translates into this advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Stay sun-safe with clothing that is both closely woven and worn loosely. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.