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The climate of American Samoa
The current climate in American Samoa features temperatures ranging from a high of 32°C to a low of 30°C throughout the year. The average yearly temperature is around 31°C. At night, temperatures in the colder months average around 25°C and in the warmer months around 26°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for American Samoa.
Temperature records
The highest temperature recorded in American Samoa in recent years was 39°C in February 2016. The lowest daytime temperature recorded was 25°C in August 2021.
Rainfall amount
On average, American Samoa receives 3330 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
Best time to visit American Samoa?
The best time to visit American Samoa for mild to warm weather is January and March up to December. You might get some rain, but the temperatures are just right to explore American Samoa.
Find affordable vacations to American Samoa
Climate Table of American Samoa
The climate table of American Samoa shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 31 | 31 | 32 | 31 | 31 | 30 | 30 | 30 | 30 | 31 | 31 | 31 |
| Temp. min (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 |
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| Precipitation (mm) | 352 | 526 | 251 | 301 | 283 | 181 | 204 | 168 | 152 | 251 | 284 | 377 |
| UV Index | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 8 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in American Samoa. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in American Samoa
Yearly Temperature in American Samoa
Precipitation charts
These charts show the average amount of precipitation in American Samoa. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in American Samoa
Total Yearly Precipitation in American Samoa
UV index chart
This chart shows the average UV index per month in American Samoa. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in American Samoa
Weather experiences in American Samoa
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Average weather in American Samoa by month
Click on a month below to see detailed weather info for American Samoa. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.