August weather forecast
Pago Pago, AS

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Pago Pago Harbour in Pago Pago, American Samoa
Pago Pago Harbour in Pago Pago, American Samoa

Weather in August

August registers little change in the weather patterns from July in Pago. While high temperatures remain stable, low temperatures see a slight increment. The rainfall in August is 2.05" (52mm), solidifying the continuation of the dry period. Meanwhile, daylight hours keep increasing. Even though the sea temperature stays relatively low, it doesn’t deter residents from enjoying the sea breeze or beach strolls.

Temperature

Pago's August weather reaches an average high of 81.1°F (27.3°C) and an average low of 79.3°F (26.3°C), making it the coldest month.

Heat index

For August, the heat index is appraised at a tropical 86°F (30°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
Realize that the values for the heat index are set for shaded places and light winds. 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 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. 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

The months with the highest humidity are June through October, with an average relative humidity of 78%.

Rainfall

In Pago, during August, the rain falls for 20.8 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Pago, during the entire year, the rain falls for 280 days and collects up to 49.96" (1269mm) of precipitation.

Ocean temperature

August and September, with an average ocean temperature of 82°F (27.8°C), are months with the coldest seawater.
Note: Water activities including swimming and diving at temperatures from 77°F (25°C) to 84.2°F (29°C) are deemed very pleasurable and enjoyable for extended periods, devoid of discomfort.

Daylight

In August, the average length of the day is 11h and 40min.
On the first day of August, sunrise is at 6:44 am and sunset at 6:14 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 6:17 pm SST.

Sunshine

In August, the average sunshine is 7.4h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 7 in August translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take note! The UV strength of the Sun elevates when reflected off water and sand.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

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

What are the temperatures in August?

An average high-temperature, in August, in Pago, is 81.1°F (27.3°C) and the average low-temperature is 79.3°F (26.3°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 86°F (30°C).

What is the most humid month?

The months with the highest humidity in Pago, American Samoa, are June through October, with an average relative humidity of 78%.

What is the average humidity in August?

In August, the average relative humidity is 78%.

How many days does it rain in August?

In Pago, during August, the rain falls for 20.8 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When is the ocean coldest?

The months with the coldest seawater are August and September, with an average ocean temperature of 82°F (27.8°C).

How warm is the water in August in Pago?

In August, the average ocean temperature is 82°F (27.8°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in August?

The average day length in August is 11h and 40min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:44 am and sunset at 6:14 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 6:17 pm SST.

How long on average sun shines in August?

In Pago, the average sunshine duration in August is 7.4h.

What is the month with the highest UV index?

The months with the highest UV index are January through December, with an average maximum UV index of 7.

What is the month with the lowest UV index?

January through December, with an average maximum UV index of 7, are months with the lowest UV index.

How high is the UV index in August?

In Pago, the average daily maximum UV index in August is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Pago Pago, AS

Average temperature in August - Pago Pago, AS
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is April (84°F).
The month with the lowest average high temperature is August (81.1°F).

  • Average low temperature in August: 79.3°F

The month with the highest average low temperature is March (82.4°F).
The coldest months (with the lowest average low temperature) are July, August and September (79.3°F).

Average pressure in August
Pago Pago, AS

Average pressure in August - Pago Pago, AS
  • Average pressure in August: 29.9"Hg

The month with the highest atmospheric pressure is September (29.91"Hg).
The month with the lowest atmospheric pressure is January (29.75"Hg).

Average wind speed in August
Pago Pago, AS

Average wind speed in August - Pago Pago, AS
  • Average wind speed in August: 15.3mph

The windiest month (with the highest average wind speed) is July (15.6mph).
The calmest month (with the lowest average wind speed) is March (8.6mph).

Average humidity in August
Pago Pago, AS

Average humidity in August - Pago Pago, AS
  • Average humidity in August: 78%

The months with the highest relative humidity are June, July, August, September and October (78%).
The month with the lowest relative humidity is March (75%).

Average rainfall in August
Pago Pago, AS

Average rainfall in August - Pago Pago, AS
  • Average rainfall in August: 2.05"

The wettest month (with the highest rainfall) is January (6.81").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in August
Pago Pago, AS

Average rainfall days in August - Pago Pago, AS
  • Average rainfall days in August: 20.8 days

The month with the highest number of rainy days is March (26.1 days).
The month with the least rainy days is September (20 days).

Average sea temperature in August
Pago Pago, AS

Average sea temperature in August - Pago Pago, AS
  • Average sea temperature in August: 82°F

The best month for swimming (with the highest average sea temperature) is March (85.4°F).
The coldest months (with the lowest average sea temperature) are August and September (82°F).

Average daylight in August /
Average sunshine in August
Pago Pago, AS

Average daylight in August / Average sunshine in August - Pago Pago, AS
  • Average daylight in August: 11h and 4min

The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).

  • Average sunshine in August: 7h and 2min

The month with the most sunshine is December (Average sunshine: 9h and 42min).
The month with the least sunshine is July (Average sunshine: 7h and 12min).

Average sunshine days in August
Pago Pago, AS

Average sunshine days in August - Pago Pago, AS
  • Average sunshine days in August: 5.9 days

The month with the most sunshine days is September (6.1 days).
The month with the least sunshine days is April (2.3 days).

Average UV index in August
Pago Pago, AS

Average UV index in August - Pago Pago, AS
  • Average UV index in August: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover in August
Pago Pago, AS

Average cloud cover in August - Pago Pago, AS
  • Average cloud cover in August: 48

The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is March (Cloud cover 40).

Average visibility in August
Pago Pago, AS

Average visibility in August - Pago Pago, AS
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Pago Pago, American Samoa, USA

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