Pago Pago
American Samoa, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Pago Pago, AS

Aerial view of Pago Pago Harbour in Pago Pago, American Samoa
Aerial view of Pago Pago Harbour in Pago Pago, American Samoa
January, the same as December, is another warm summer month in Pago Pago, American Samoa, with average temperature fluctuating between 81.7°F (27.6°C) and 83.8°F (28.8°C).

Temperature

In January, the average high-temperature is practically the same as in December - a still warm 83.8°F (28.8°C). The average low-temperature, in Pago Pago, is 81.7°F (27.6°C).

Heat index

In January, the average heat index is calculated to a tropical 92.1°F (33.4°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
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', 'feels like', or 'apparent temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like wind, clothing, differences in body mass, height, and shape, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Pago Pago, the average relative humidity in January is 76%.

Rainfall

The month with the most rainfall is January when the rain falls for 25.8 days and typically aggregates up to 6.81" (173mm) of precipitation.

Ocean temperature

In Pago Pago, the average seawater temperature is 84.7°F (29.3°C).
Note: 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.

Daylight

In Pago Pago, the average length of the day is 12.9h.

Sunshine

In January, the average sunshine is 7.7h.

UV index

Months with the highest UV index are January through December, with an average maximum UV index of 7. Months with the lowest UV index in Pago Pago are January 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 the Sun's UV rays for the average person.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in January in Pago Pago?

In Pago Pago, American Samoa, in January, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 81.7°F (27.6°C). The average heat index (a.k.a. 'feels like', 'real feel'), that combines air temperature and relative humidity, in January is calculated to 92.1°F (33.4°C).

What is the average humidity in January in Pago Pago?

The average relative humidity in January in Pago Pago, American Samoa, is 76%.

How much does it rain in Pago Pago in January?

In Pago Pago, in January, during 25.8 rainfall days, 6.81" (173mm) of precipitation is typically accumulated.

What is the wettest month in Pago Pago?

January is the month with the most rainfall in Pago Pago. Rain falls for 25.8 days and accumulates 6.81" (173mm) of precipitation.

What is the ocean temperature in January in Pago Pago?

In January, the average ocean temperature in Pago Pago, American Samoa, is 84.7°F (29.3°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in January in Pago Pago?

In January, the average length of the day in Pago Pago, American Samoa, is 12.9h.

How many hours of sunshine does Pago Pago have in January?

In Pago Pago, the average sunshine in January is 7.7h.

What is the month with the highest UV index in Pago Pago?

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

When is the lowest UV index in Pago Pago?

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

What is the UV index reading in January in Pago Pago?

In Pago Pago, American Samoa, the average daily maximum UV index in January is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV rays.
Average temperature in January - Pago Pago, AS
  • Average high temperature in January: 28.8°C

The warmest month (with the highest average high temperature) is April (28.9°C).
The month with the lowest average high temperature is August (27.3°C).

  • Average low temperature in January: 27.6°C

The month with the highest average low temperature is March (28°C).
Coldest months (with the lowest average low temperature) are July, August and September (26.3°C).

Average humidity in January - Pago Pago, AS
  • Average humidity in January: 76%

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 January - Pago Pago, AS
  • Average rainfall in January: 173mm

The wettest month (with the highest rainfall) is January (173mm).
The driest month (with the lowest rainfall) is September (45mm).

Average rainfall days in January - Pago Pago, AS
  • Average rainfall days in January: 25.8 days

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

Average sea temperature in January - Pago Pago, AS
  • Average sea temperature in January: 29.3°C

The best month for swimming (with the highest average sea temperature) is March (29.7°C).
Coldest months (with the lowest average sea temperature) are August and September (27.8°C).

Average daylight in January / Average sunshine in January - Pago Pago, AS
  • Average daylight in January: 12.9h

The month with the longest days is December (Average daylight: 13h).
The month with shortest days is June (Average daylight: 11.3h).

  • Average sunshine in January: 7.7h

The month with most sunshine is December (Average sunshine: 9.7h).
The month with least sunshine is July (Average sunshine: 7.2h).

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

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