Climate in American Samoa

American Samoa has a relatively uniform climate throughout the country. Annual temperatures range from lows of -51°C in the coldest regions to highs of -10°C in the warmest areas. Rainfall is fairly uniform nationwide at around 222mm per year. Snow is common across the country during winter months. Conditions across American Samoa are broadly cool, with only modest differences between regions.

Temperature patterns across American Samoa vary by region, with distinct differences between areas. The Central is the warmest part of the country, with peak temperatures reaching -10°C and an annual average of -26°C. Cooler conditions are found in the Central, where winter lows drop to -51°C and an annual average of -26°C.

Rainfall is relatively uniform across American Samoa, with most regions receiving around 222mm per year. The Central receives the most rainfall, at approximately 222mm annually. The Central is the driest, with around 222mm per year. Rainfall across the country is strongly seasonal, with summer months bringing significantly more precipitation than winter. All regions receive notable snowfall during winter, though amounts vary between areas. Rainfall is similar across regions, so travellers can expect comparable conditions regardless of which part of American Samoa they visit.