December weather forecast
Pago Pago, AS

In December, Pago witnesses a further increase in rainfall, amounting to 5.91" (150mm), making it the wettest month of the year. The month also sees higher high and low temperatures. Despite the increase in rain, the sea temperature continues to be inviting for water activities. Though daylight hours decrease slightly, the sunny intervals serve as good compensation, promising beautiful sunsets to round off the year.

Temperature

Pago observes an average high-temperature of a still moderately hot 83.1°F (28.4°C) in December, barely different from 82.9°F (28.3°C) in November. The low temperature average during December reflects a slight decrease to a still moderately hot 81.9°F (27.7°C) from the day's peak.

Heat index

December's average heat index is calculated to be a hot 89.6°F (32°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', comes about by integrating the temperature readings with the humidity levels. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

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

Rainfall

In Pago, during December, the rain falls for 25.2 days and regularly aggregates up to 5.91" (150mm) of precipitation. In Pago, American Samoa, during the entire year, the rain falls for 280 days and collects up to 49.96" (1269mm) of precipitation.

Ocean temperature

In Pago, the average seawater temperature in December is 85.1°F (29.5°C).
Note: Water activities in temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are pleasurable, without feeling uncomfortable even during extended periods.

Daylight

The month with the longest days in Pago, American Samoa, is December, with an average of 13h and 0min of daylight.
On the first day of December in Pago, sunrise is at 5:44 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 6:55 pm SST.

Sunshine

December has the most sunshine of the year, with an average of 9.7h of sunshine.

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 reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: During December, 7 as the daily maximum UV index converts into the following advice:
Resist overexposure. Safeguarding from solar damage is indispensable. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Caution! Sand and water reflections can notably increase the UV radiation intensity.