August weather forecast and climate
Pago Pago, AS

August, the last month of the winter, in Pago Pago, is another warm month, with temperature in the range of an average low of 79.3°F (26.3°C) and an average high of 81.1°F (27.3°C).

Temperature

The coldest month is August, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 79.3°F (26.3°C).

Heat index

In August, the average heat index is estimated at a hot 86.4°F (30.2°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like wind, metabolic differences, pregnancy, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

Months with the highest humidity in Pago Pago are June through October, with an average relative humidity of 78%.

Rainfall

In Pago Pago, it is raining for 20.8 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, in Pago Pago, there are 280 rainfall days, and 49.96" (1269mm) of precipitation is accumulated.

Ocean temperature

August and September, with an average ocean temperature of 82°F (27.8°C), are months with the coldest seawater.
Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

The average length of the day in August is 11.7h.

Sunshine

The average sunshine is 7.4h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: In August, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.