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

As December takes its course, Pago's average high-temperature registers at a still warm 83.1°F (28.4°C), closely aligning with the preceding month. A steady low-temperature average of 81.9°F (27.7°C) is logged in Pago, American Samoa, during December, reflecting a modest dip from daytime readings.

Heat index

December's average heat index is calculated to be a tropical 89.6°F (32°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are quite important for babies and toddlers. 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

The average relative humidity in December 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, during the entire year, the rain falls for 280 days and collects up to 49.96" (1269mm) of precipitation.

Ocean temperature

In December, the average ocean temperature in Pago is 85.1°F (29.5°C).
Note: Water temperatures between 77°F (25°C) and 84.2°F (29°C) are regarded as very warm, ensuring all water activities are pleasurable for extended periods without feeling uneasy.

Daylight

December has the longest days of the year, with an average of 13h and 0min of daylight.
On the first day of December, 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

The month with the most sunshine is December, 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. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 7 in December translates into the following instructions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be alert! The reflection of water and sand augments UV radiation intensity.