What’s the climate like in American Samoa?
The current climate of American Samoa features average monthly temperatures ranging from highs of 32°C during the day to lows of 30°C. 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.
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.
On average, American Samoa receives 3330 mm of precipitation each year. For comparison, UK gets 701 mm of precipitation annually.
Best time to visit American Samoa?
The best time to visit American Samoa for pleasant to warm weather is January and March through December. There might be some rain during this period, but the temperatures are just right for exploring American Samoa.
Climate Table of American Samoa
The climate table of American Samoa shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation 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.
- Average yearly temperature: 31°C
- Highest temperature: 32°C in March
- Lowest temperature: 30°C in June, July, August and September
- Precipitation: 3330 mm per year, averaging 278 mm per month
- Driest months: 152 mm in September, 168 mm in August and 181 mm in June
- Wettest months: 526 mm in February, 377 mm in December and 352 mm in January
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Table of Contents
Average Temperature per Month in American Samoa
This graph shows the average maximum temperatures per month in American Samoa. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in American Samoa
This graph shows how much precipitation American Samoa gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in American Samoa
This graph 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.
Yearly Temperature in American Samoa
This graph shows the average yearly temperature in American Samoa. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in American Samoa
This chart shows the total yearly precipitation in American Samoa over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
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.
