June weather forecast
Umatac, GU

June in Umatac, Guam, is characterized by further ascendance in rainfall, reaching a value of 3.7" (94mm). This month witnesses a marked leap from the reduced showers of May, hinting towards a transition into the more intense period of the rainy season. However, despite this uptick in rainfall, the weather continues to delight with warm temperatures and subdued wind speeds. The heightened cloud percentage and UV index notify the importance of accommodating apt clothing and skin protection.

Temperature

Umatac's average high-temperature in June sits at a still moderately hot 84.6°F (29.2°C), showing little difference from the previous month. June nights in Umatac reflect a consistent temperature dip to a still warm 83.3°F (28.5°C), a slight descent from daytime peaks.

Heat index

During June, the heat index is computed to be a torrid 95°F (35°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

In June, the average relative humidity is 77%.

Rainfall

In Umatac, Guam, during June, the rain falls for 25.4 days and regularly aggregates up to 3.7" (94mm) of precipitation. In Umatac, during the entire year, the rain falls for 288.5 days and collects up to 60.08" (1526mm) of precipitation.

Daylight

The month with the longest days is June, with an average of 12h and 54min of daylight.
On the first day of June, sunrise is at 5:53 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 6:52 pm ChST.

Sunshine

The month with the most sunshine is June, with an average of 10.6h of sunshine.

UV index

The months with the highest UV index in Umatac are January through August, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum UV index of 7 in June translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.