Climate Overview
The climate in Pago Pago is hot. The average annual temperature is 27°C and approximately 2563mm of precipitation falls per year. Pago Pago receives a notable amount of rainfall throughout the year, including during its driest month. Pago Pago is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: March, April, January. The coldest months are August, September, July, when temperatures can drop to 26°C.
Temperature
Pago Pago has relatively stable temperatures year-round, staying within a 2°C range. The warmest month is March, when average highs reach 28°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 26°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.
Precipitation
Pago Pago is a very wet location, receiving approximately 2563mm of precipitation annually, which averages out to around 214mm per month. The wettest month is February, averaging 407mm of rainfall. December and January also tend to see above-average precipitation. The driest month is August, with just 98mm. That's 310mm less than February, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Pago Pago is moderately windy, with an average annual wind speed of 27km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 32km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in March, with average winds dropping to 21km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 11km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 31km/h in winter, 28km/h in spring, 25km/h in summer, 23km/h in autumn.
Seasons
90 days until Winter
It is currently autumn in Pago Pago, which began on March 20, 2026. Pago Pago is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in March at around 28°C, while the coldest stretch bottoms out in August near 26°C. Winter is next, beginning on June 21, 2026 — 90 days from now.
Spring
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 518mm across the season with a monthly average of 173mm. Winds are strong, averaging 28km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 1032mm across the season with a monthly average of 344mm. Winds are strong, averaging 25km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 643mm across the season with a monthly average of 214mm. Winds are moderate at around 23km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 370mm across the season with a monthly average of 123mm. Winds are strong, averaging 31km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Pago Pago based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
