American Samoa features a tropical rainforest climate (Köppen Af) with consistent warmth, high humidity, and abundant rainfall throughout the year, ideal for expats seeking a stable, lush island environment. Temperatures remain between 25-29°C year-round with minimal seasonal variation, while trade winds provide natural cooling. The wet season (November-April) brings heavier rains and cyclone risk, contrasting slightly drier conditions (May-October). Annual rainfall exceeds 2500mm, fostering verdant landscapes but requiring mold and flood preparedness. Sunshine averages 2500 hours annually, and humidity hovers at 80%, creating a perpetually humid feel suited to those tolerant of tropical conditions.