Pago Pago has a warm subtropical climate with warm summers and mild winters.
Temperatures peak in April and drop to their lowest in August, while rainfall is highest during winter months.
Humidity remains high throughout the year, especially during winter months, creating warm and humid conditions.
| Month | 🌤️ | High | Low | Avg | Humid % | Rain (mm) | Wind (m/s) | Solar (kWh/m²) |
|---|---|---|---|---|---|---|---|---|
| January | 🌧️ | 84.4°F | 79.5°F | 81.9°F | 81% | 285 | 4.3 | 5.88 |
| February | 🌧️ | 84.4°F | 79.9°F | 82.2°F | 81% | 253 | 4.5 | 5.86 |
| March | 🌧️ | 84.6°F | 80.1°F | 82.3°F | 81% | 198 | 4.0 | 5.70 |
| April | 🌧️ | 84.6°F | 80.3°F | 82.4°F | 80% | 177 | 4.2 | 5.12 |
| May | ☔ | 84.1°F | 79.8°F | 82.0°F | 80% | 149 | 4.8 | 4.45 |
| June | ☔ | 83.4°F | 79.1°F | 81.3°F | 80% | 88 | 5.6 | 4.22 |
| July | 🌞 | 82.6°F | 77.9°F | 80.3°F | 80% | 77 | 5.8 | 4.38 |
| August | 🌞 | 82.3°F | 77.6°F | 80.0°F | 79% | 71 | 5.7 | 5.08 |
| September | ☔ | 82.6°F | 78.1°F | 80.4°F | 80% | 91 | 5.7 | 5.72 |
| October | 🌧️ | 83.1°F | 78.6°F | 80.9°F | 81% | 157 | 5.2 | 6.03 |
| November | 🌧️ | 83.7°F | 79.1°F | 81.4°F | 81% | 216 | 4.6 | 6.09 |
| December | 🌧️ | 84.3°F | 79.2°F | 81.7°F | 81% | 242 | 4.4 | 5.97 |
Showing average climate conditions across 45 years (1981–2025)
🧥 Light layers are sufficient — this Mild Winter stays cool without prolonged hard freezes.
🌤️ Conditions are ideal for outdoor activities throughout the day in this Mild Summer.
☔ Heavy Rainfall expected — carry rain gear and plan outdoor activities around these months.
Monthly averages · 1981–2025 climate normals · °F
Temperatures rise steadily from spring, peak in April, and gradually decline through autumn into winter.
These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.
Monthly rainfall · 1981–2025 seasonal trends · mm/month
Monthly averages · 1981–2025
💧 Humidity peaks at 81% in January · annual avg 81%
The warmest year in Pago Pago's recorded history was 2024 (avg: 82.8°F), while the coldest was 1987 (avg: 79.9°F).
Average annual high/low · Last 10 years · °F
Total annual precipitation · Last 10 years · mm/year
| Year | Min Temp | Avg Temp | Max Temp | Rainfall (mm) | Avg Humidity | Avg Wind |
|---|---|---|---|---|---|---|
2025 | 79.7°F | 82.0°F | 84.4°F | 2092 | 81% | 5.1 m/s |
2024 🔥 | 80.4°F | 82.8°F | 85.1°F | 1901 | 81% | 5.3 m/s |
2023 | 80.2°F | 82.2°F | 84.4°F | 1715 | 81% | 5.0 m/s |
2022 | 79.5°F | 81.7°F | 83.7°F | 1265 | 80% | 5.1 m/s |
2021 | 79.3°F | 81.5°F | 83.8°F | 1443 | 79% | 4.9 m/s |
2020 | 80.4°F | 82.4°F | 84.6°F | 2167 | 81% | 5.0 m/s |
2019 | 80.1°F | 82.4°F | 84.7°F | 2003 | 80% | 4.4 m/s |
2018 | 79.5°F | 81.9°F | 84.2°F | 1795 | 80% | 4.5 m/s |
2017 | 79.9°F | 82.2°F | 84.4°F | 2231 | 80% | 4.5 m/s |
2016 | 80.1°F | 82.4°F | 84.7°F | 2015 | 80% | 4.4 m/s |
Showing 1 to 10 of 45 years
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Based on 45 years of data (1981–2025), April is typically the hottest month in Pago Pago, American Samoa, with average high temperatures around 84.6°F.
August is the coldest month in Pago Pago, with average low temperatures around 77.6°F.
January receives the most rainfall with approximately 285 mm, while August is the driest with 71 mm.
The highest recorded temperature was 87.1°F in April 2024. This is part of the historical record spanning 1981–2025.
The lowest recorded temperature was 73.9°F in August 1987.
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.
Pago Pago receives the most sunlight in November 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 and agriculture in American Samoa.
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.
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.
