UV Index
UV Index
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Today's UV index in Pago Pago, American Samoa 
will be up to 13.7, indicating extreme risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.
UV index at 13.7 in Pago Pago means extreme risk; limit outdoor time from 10 a.m. to 4 p.m., use shade, protective clothing, SPF 30+ sunscreen, and sunglasses; watch for bright surfaces like water and snow increasing UV exposure.
Read more here about the climate and sun exposure in and around Pago Pago.
The UV index in Pago Pago, American Samoa, can be quite high due to its tropical location. During the summer months, the UV index can reach levels of 11 or more, which is considered extreme. It is important to protect your skin by wearing sunscreen, hats, and sunglasses, and by seeking shade during peak hours between 10 am and 4 pm.
In Pago Pago, the weather can be described as humid and tropical throughout the year. The region experiences two main seasons - wet and dry. The wet season, which extends from November to April, brings a higher chance of rainfall and occasional tropical cyclones. The dry season, from May to October, is characterized by milder temperatures and lower humidity, making it a more popular time for tourists to visit.
Compared to other areas in the region, Pago Pago receives a significant amount of rainfall, with an average of 126 inches (3200 mm) per year. This, along with its abundant vegetation, provides a cooling effect and helps regulate the temperature. The island's location near the equator also means that it experiences relatively consistent sunlight throughout the year, with an average of around 12 hours of daylight per day. This gives residents and visitors alike ample opportunity to enjoy the beautiful beaches and outdoor activities in Pago Pago.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Pago Pago. It's designed to provide you with a better understanding of the yearly weather and sun exposure.