American Samoa
27 to 29°C
3118 hours
sunshine per day
1077 mm
95 days
270 days
0 days

Climate of American Samoa

American Samoa has a tropical rainforest climate. It is usually (very) warm, humid and rainy all year round. The average annual temperature for American Samoa is 28° degrees and there is about 1079 mm of rain in a year. It is dry for 57 days a year with an average humidity of 77% and an UV-index of 7.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 27°C and 29°C
  • Night:the average nighttime temperature is between 27°C and 28°C
  • Rain: it rains 270 days and there is a total of approximately 1077 mm rainfall
  • Sun hours: throughout the year there are 3118 sun hours
Maximum temperature: between 27°C and 29°C
Warmest month: 29°C in January
Coldest month: 27°C in August
Night temperature: between 27°C and 28°C
Dry days: 95 days
Days with rain: 270 days
Days with snow: 0 days
Total rain sum: 1077 mm
Hours of sunshine: 3118 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for American Samoa.

Precipitation graph

This graph shows the average amount of rainfall per month for American Samoa.

Climate table of American Samoa

In this climate table you can see at a glance what the average weather per month is for American Samoa. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for American Samoa might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 29 29 29 29 29 28 28 27 27 28 28 29
Night temp. (°C) 28 28 28 28 28 27 27 27 27 27 28 28
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 149 136 94 89 86 42 49 46 42 87 120 137
Days with rain 25 23 26 26 24 18 19 19 19 23 23 25
Dry days 6 5 5 4 7 12 12 12 11 8 7 6
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 8 8 9 9 8 8 8 8 8 9 10 10
Wind force (Bft) 3 3 3 3 3 4 4 4 4 4 3 3
UV-index 7 7 7 7 7 7 7 7 7 7 7 7

Best time to visit American Samoa

To go to American Samoa, the best time to visit is March through October. In this period you have a warm temperature and little precipitation. In American Samoa, January is the warmest month with 29°C and the most cold month is 27°C in August.

Climate of American Samoa by month

What is the average climate in a given month for American Samoa? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

American Samoa weather experiences

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