August weather forecast
Inarajan, GU

August sustains the momentum of the rainy season started in July in Inarajan, Guam. The warmth remains intact across the island with ocean temperatures at their peak. Although rainfall continues with intensity, amounting to 9.76" (248mm) dispersed over 28.9 days, the ambiance remains blissful. Wind speeds drop to their yearly lowest at 9.6mph (15.4km/h), creating gentle oceanic conditions conducive for aquatic pleasures. Despite the prevailing conditions, the island does not lose its charm, with the vibrant lush greenery set against the backdrop of clear skies.

Temperature

Temperatures in Inarajan reach their maximum during July and August, recording an average high-temperature of 84.7°F (29.3°C).

Heat index

The heat index value during August is evaluated at a very hot 95°F (35°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance 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.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

August is the least humid month in Inarajan, with an average relative humidity of 76%.

Rainfall

In Inarajan, Guam, in August, it is raining for 28.9 days, with typically 9.76" (248mm) of accumulated precipitation. In Inarajan, during the entire year, the rain falls for 288.5 days and collects up to 60.08" (1526mm) of precipitation.

Ocean temperature

The month with the warmest seawater is August, with an average ocean temperature of 85.5°F (29.7°C).
Note: Water temperature ranging from 77°F (25°C) to 84.2°F (29°C) is seen as very warm and delightful by everyone. During these temperatures, water activities become enjoyable, without causing discomfort for extended periods.

Daylight

The average length of the day in August is 12h and 34min.
On the first day of the month, sunrise is at 6:06 am and sunset at 6:48 pm. On the last day of August, in Inarajan, sunrise is at 6:09 am and sunset at 6:32 pm ChST.

Sunshine

In Inarajan, the average sunshine in August is 7.6h.

UV index

The months with the highest UV index in Inarajan are January through August, October through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, an average UV index of 7 transforms into the following instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. 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. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Alert! The Sun's UV rays are heightened by the reflection of sand and water.