January 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 January

In January, Pago experiences mild weather with consistent conditions typical of American Samoa's tropical climate. The month sees a steady high temperature, while the low temperature remains comfortably warm. A notable factor in January's weather is the high amount of rainfall, measuring at 6.81" (173mm). It's a month when the weather remains relatively cloudy, with the sky being overcast nearly half of the time. Likewise, the sea maintains a warm temperature to invite beachgoers irrespective of the season.

Temperature

As December transitions into January, the average high-temperature in Pago rests at a still warm 83.8°F (28.8°C), maintaining a close resemblance to the previous month. Pago's nighttime average temperature in January drops marginally from the daytime highs, settling at a still moderately hot 81.7°F (27.6°C).

Heat index

The heat index for January is calculated to be a hot 91.4°F (33°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

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

Rainfall

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

Ocean temperature

In January, the average ocean temperature is 84.7°F (29.3°C).
Note: For activities such as swimming and diving, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as particularly pleasant and satisfying for prolonged periods without feeling uneasy.

Daylight

In January, the average length of the day is 12h and 52min.
On the first day of the month, sunrise is at 5:57 am and sunset at 6:55 pm. On the last day of January, sunrise is at 6:14 am and sunset at 6:58 pm SST.

Sunshine

The average sunshine in January in Pago is 7.7h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. 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 health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 7 in January translates into this advice:
Fend off overexposure. Sun protection is vital. 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. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Heads up! UV intensity is amplified by reflections from water and sand.
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Frequently asked questions

Is it hot in Pago during January?

The high-temperature in Pago, American Samoa, during January is 83.8°F (28.8°C) and the low-temperature is 81.7°F (27.6°C). In January, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is calculated to be 91.4°F (33°C).

What is the average humidity in January in Pago?

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

What is the rainiest month in Pago?

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

How many days does it rain in January in Pago?

In Pago, American Samoa, in January, it is raining for 25.8 days, with typically 6.81" (173mm) of accumulated precipitation.

How warm is the water in January in Pago?

In Pago, American Samoa, the average seawater temperature in January 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.

How many hours of daylight does Pago have in January?

In January, the average day length in Pago, American Samoa, is 12h and 52min.

When is the sunrise / sunset in January in Pago?

In January, on the first day of the month, sunrise is at 5:57 am and sunset at 6:55 pm. On the last day of the month, in Pago, American Samoa, sunrise is at 6:14 am and sunset at 6:58 pm SST.

How many hours of sunshine does Pago have in January?

The average sunshine duration in January is 7.7h.

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

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

What are the months with the lowest UV index in Pago?

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

How high is the UV index in January in Pago?

In January, the average daily maximum UV index in Pago, American Samoa, is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in January
Pago Pago, AS

Average temperature in January - Pago Pago, AS
  • Average high temperature in January: 83.8°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 January: 81.7°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).

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Average pressure in January
Pago Pago, AS

Average pressure in January - Pago Pago, AS
  • Average pressure in January: 29.75"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).

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Average wind speed in January
Pago Pago, AS

Average wind speed in January - Pago Pago, AS
  • Average wind speed in January: 10.2mph

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).

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Average humidity in January
Pago Pago, AS

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

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%).

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Average rainfall in January
Pago Pago, AS

Average rainfall in January - Pago Pago, AS
  • Average rainfall in January: 6.81"

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

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Average rainfall days in January
Pago Pago, AS

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 least rainy days is September (20 days).

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Average sea temperature in January
Pago Pago, AS

Average sea temperature in January - Pago Pago, AS
  • Average sea temperature in January: 84.8°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).

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

Average daylight in January / Average sunshine in January - Pago Pago, AS
  • Average daylight in January: 12h and 5min

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 January: 7h and 4min

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).

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Average sunshine days in January
Pago Pago, AS

Average sunshine days in January - Pago Pago, AS
  • Average sunshine days in January: 3.3 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).

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Average UV index in January
Pago Pago, AS

Average UV index in January - Pago Pago, AS
  • Average UV index in January: 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).

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Average cloud cover in January
Pago Pago, AS

Average cloud cover in January - Pago Pago, AS
  • Average cloud cover in January: 47

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

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Average visibility in January
Pago Pago, AS

Average visibility in January - Pago Pago, AS
  • Average visibility in January: 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).

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Pago Pago, American Samoa, USA

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