Pago Pago receives its highest rainfall in Jan, while humidity peaks during winter months.
🌧️ Wettest:Jan — 285 mm☀️ Driest:Aug — 71 mm
💧 Humidity peaks at 81% in Jan · annual avg 81%
🌍 Climate Summary
Avg Annual Temp:81.3°F
Avg Annual Rainfall:2002 mm
Avg Humidity:81%
Data Period:1981 – 2025
Pago Pago Climate Overview
Pago Pago has a warm subtropical climate with warm summers and mild winters.
Temperatures peak in Apr and drop to their lowest in Aug,
while rainfall is highest during winter months.
Humidity remains high throughout the year, especially during winter months, creating warm and humid conditions.
📈 Yearly Trends
The warmest year in Pago Pago's recorded history was 2024
(avg: 82.8°F),
while the coldest year was 1987
(avg: 79.9°F),
based on annual average temperatures.
📊 Key Climate Trends
🌡️ Pago Pago's temperature has remained relatively stable over the past decade
📊 Minimum temperatures have remained largely stable across the dataset
🌧️ Rainfall has decreased in recent years compared to earlier periods
🌡️ Annual Temperature Trend
View Range:
Average annual high/low · Last 10 years · °F
Pago Pago's temperatures has remained relatively stable over the past decade.
The highest recorded temperature reached
87.1°F in Apr 2024,
while the lowest dropped to
73.9°F in Aug 1987.
🌧️ Annual Precipitation
View Range:
Total annual precipitation · Last 10 years · mm/year
Annual rainfall in Pago Pago shows noticeable variation. Rainfall has decreased in recent years compared to earlier periods.
Based on 45 years of data (1981–2025), Apr is typically the hottest month in Pago Pago, American Samoa, with average high temperatures around 84.6°F.
What is the coldest month in Pago Pago?▼
Aug is the coldest month in Pago Pago, with average low temperatures around 77.6°F.
What is the rainiest month in Pago Pago?▼
Jan receives the most rainfall with approximately 285 mm, while Aug is the driest with 71 mm.
What was the highest temperature ever recorded in Pago Pago?▼
The highest recorded temperature was 87.1°F in Apr 2024. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Pago Pago?▼
The lowest recorded temperature was 73.9°F in Aug 1987.
How many years of data does this page cover?▼
This page covers 45 years of climate data from 1981 to 2025. As new data is added to the database the page automatically reflects the updated coverage.
How much sunlight does Pago Pago get?▼
Pago Pago receives the most sunlight in Nov with an average solar radiation of 6.09 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in American Samoa.
Where does this weather data come from?▼
All climate data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite and model data. It provides monthly averages for temperature, precipitation, humidity, wind speed, and solar radiation.
📚 Data Source
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.