American Samoa climate and temperatures

The climate of American Samoa is a tropical rainforest climate (Köppen: Af), with high temperatures and heavy rainfall year-round, without a true dry season. Monthly temperatures range from a minimum of 30°C in June to a maximum of 32°C in March. The average annual temperature is around 31°C.

During the colder months, nighttime temperatures average around 25°C, while in the warmer months they average about 26°C.

Popular destinations in American Samoa

• Pago Pago

View all destinations in American Samoa

Climate table of American Samoa

The climate table below gives you a clear overview of the climate in American Samoa by month, from average temperatures and rainfall to UV levels. This makes it easy to see when the weather best suits your travel plans.

Best time to visit American Samoa

The best time to visit American Samoa is June, July, August en September. During this period, temperatures are usually pleasant to warm and there is relatively little rainfall. Between June and September, average high temperatures range roughly from 30°C to 30°C, while rainfall remains limited. The warmest month is March, with an average daytime temperature of around 32°C. The driest month is September, with about 152 mm of rainfall, while February is usually the wettest month of the year, with approximately 526 mm. Snow plays virtually no role in the climate here.

Average temperature per month

This chart shows the average daytime (maximum) and nighttime (minimum) temperatures per month in American Samoa. The figures are based on climate data from recent years and are presented in degrees Celsius, so you can clearly see the temperature range for each month.

Average rainfall per month

This chart shows the average monthly rainfall in American Samoa. The figures are based on long-term climate data and are displayed in millimeters, so you can immediately see which months are drier or wetter.

Average UV index per month

This chart shows the average monthly sun intensity in American Samoa. The UV index ranges from 0 (no UV radiation) to 11+ (extreme). A higher UV index means you can burn more quickly, making proper sun protection increasingly important.

Average annual temperature

This chart shows the average annual temperature in American Samoa based on data from the past ten years. It allows you to see at a glance how the climate is evolving and whether there are clear warming trends.

Average annual rainfall

This chart shows the average annual rainfall in American Samoa over the past ten years. It allows you to see at a glance how much rain falls each year and whether there are clear fluctuations between the years.

Weather experiences in American Samoa

The weather in American Samoa is rated an average of 4.3 out of 5 stars by 8 visitors. Have you been to American Samoa? Share your experience with the weather to help other visitors plan their trip.

Average weather per month

Click on a month below and discover what the weather in American Samoa is typically like. For each period, you can instantly see the average temperature, rainfall, wind, and UV index. Thanks to years of historical weather data, you’ll know exactly what to expect during your trip.

• January
• February
• March
• April
• May
• June
• July
• August
• September
• October
• November
• December