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

December 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
The first month of the summer, December, is also a hot month in Pago Pago, American Samoa, with average temperature fluctuating between 77.5°F (25.3°C) and 87.4°F (30.8°C).

Temperature

In Pago Pago, American Samoa, the average high-temperature is relatively the same as in November - a still hot 87.4°F (30.8°C). In Pago Pago, in December, the average low-temperature is 77.5°F (25.3°C).

Rainfall

In Pago Pago, during 23.1 rainfall days, 14.5" (368.6mm) of precipitation is typically accumulated. In Pago Pago, during the entire year, the rain falls for 250.3 days and collects up to 123.1" (3126.6mm) of precipitation.

Ocean temperature

In December, the average ocean temperature is 85.1°F (29.5°C).
Note: 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.

Daylight

The month with the longest days is December, with an average of 13h of daylight.

Sunshine

In December, the average sunshine is 5h.

UV index

January through April, September through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an extreme health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 12 in December interpret into the following advice:
Practice all essential precautions. Protection against sun damage is crucial. 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. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in December in Pago Pago?

The average high-temperature, in December, in Pago Pago, is 87.4°F (30.8°C), while the average low-temperature is 77.5°F (25.3°C).

How much does it rain in Pago Pago in December?

In December, in Pago Pago, the rain falls for 23.1 days. Throughout December, 14.5" (368.6mm) of precipitation is accumulated.

What is the water temperature in December in Pago Pago?

In December, the average ocean temperature in Pago Pago, American Samoa, is 85.1°F (29.5°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.

When are the longest days in Pago Pago?

December has the longest days of the year in Pago Pago, with an average of 13h of daylight.

How many hours of daylight does Pago Pago have in December?

The average length of the day in December is 13h.

How long on average sun shines in December in Pago Pago?

In Pago Pago, American Samoa, the average sunshine in December is 5h.

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

January through April, September through December, with an average maximum UV index of 12, are months with the highest UV index in Pago Pago.

How high is the UV index in December in Pago Pago?

In December, the average daily maximum UV index is 12. A UV Index estimate of 11, and higher, represents an extreme health threat from unprotected exposure to the UV radiation.
Average temperature in December - Pago Pago, AS
  • Average high temperature in December: 30.8°C

The warmest month (with the highest average high temperature) is March (31.2°C).
The month with the lowest average high temperature is July (29°C).

  • Average low temperature in December: 25.3°C

Months with the highest average low temperature are February and March (25.4°C).
The coldest month (with the lowest average low temperature) is August (24.7°C).

Average rainfall in December - Pago Pago, AS
  • Average rainfall in December: 368.6mm

The wettest month (with the highest rainfall) is January (376.7mm).
The driest month (with the lowest rainfall) is June (152.7mm).

Average rainfall days in December - Pago Pago, AS
  • Average rainfall days in December: 23.1 days

The month with the highest number of rainy days is January (24 days).
The month with the lowest number of rainy days is August (17.8 days).

Average sea temperature in December - Pago Pago, AS
  • Average sea temperature in December: 29.5°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 December / Average sunshine in December - Pago Pago, AS
  • Average daylight in December: 13h

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 December: 5h

Months with most sunshine are January, February and September (Average sunshine: 6h).
Months with least sunshine are April, May and June (Average sunshine: 4).

Average UV index in December - Pago Pago, AS
  • Average UV index in December: 12

Months with the highest UV index are January, February, March, April, September, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 8).