Climate of American Samoa — Month by Month
Country-wide average for American Samoa. Part of Polynesia, Oceania.
Located in Polynesia, Oceania, American Samoa has a tropical climate. Country-wide average temperatures range from 27.1°C / 80.8°F in July to 28.5°C / 83.3°F in March, with annual rainfall totalling around 3284.2999999999997 mm / 129.3 in — driest in June (160 mm / 6.3 in), wettest in January (386.1 mm / 15.2 in). These are national averages; regional variation can be substantial, especially in geographically diverse countries. For city-level detail see the cities section below, and for state or province breakdowns follow the subdivisions link if available.
Best time to visit American Samoa →
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 28.3°C82.9°F | 386.1 mm15.2″ | Tropical |
| February | 28.4°C83.1°F | 355.6 mm14″ | Tropical |
| March | 28.5°C83.3°F | 381 mm15″ | Tropical |
| April | 28.3°C82.9°F | 304.8 mm12″ | Tropical |
| May | 27.9°C82.2°F | 254 mm10″ | Tropical |
| June | 27.4°C81.3°F | 160 mm6.3″ | Tropical |
| July | 27.1°C80.8°F | 165.1 mm6.5″ | Tropical |
| August | 27.1°C80.8°F | 162.6 mm6.4″ | Tropical |
| September | 27.4°C81.3°F | 203.2 mm8″ | Tropical |
| October | 27.7°C81.9°F | 254 mm10″ | Tropical |
| November | 28.1°C82.6°F | 292.1 mm11.5″ | Tropical |
| December | 28.3°C82.9°F | 365.8 mm14.4″ | Tropical |
Frequently asked questions
What is the best time to visit American Samoa?
American Samoa does not have a clear sunny-and-dry window by our cutoffs. The warmest month is March at 28.5°C / 83.3°F, and the driest is June at 160 mm / 6.3 in — likely your best travel window.
What is the climate of American Samoa?
American Samoa has country-wide monthly average temperatures ranging from 27.1°C / 80.8°F in July to 28.5°C / 83.3°F in March. Annual rainfall averages about 3284 mm / 129.3 in, with the wettest month being January (386.1 mm / 15.2 in) and the driest June (160 mm / 6.3 in). Regional variation within American Samoa can be significant — see subdivision or city pages for detail.
What is the hottest month in American Samoa?
The hottest month in American Samoa is March, with a country-wide average temperature of 28.5°C / 83.3°F.
What is the coldest month in American Samoa?
The coldest month in American Samoa is July, with a country-wide average temperature of 27.1°C / 80.8°F.
When does it rain most in American Samoa?
The wettest month in American Samoa is January, averaging about 386.1 mm / 15.2 in of rain. The driest is June with about 160 mm / 6.3 in.