August is one of the cooler months of the year in Pago Pago, with average highs near 27.1°C and lows around 26.4°C (mean 26.8°C). It is one of the drier months, averaging 71 mm of rainfall and 80% relative humidity across the period.
August is one of the cooler months of the year in Pago Pago. Across 45 years of records, the warmest August in Pago Pago was 2023 — when the month averaged 27.9°C — while the coldest was 1987 at 25.1°C. Typical August days reach 27.1°C with nights near 26.4°C. The long-term trend is warming, about 0.3°C per decade.
August is one of the drier months in Pago Pago, averaging 71 mm of rainfall. The wettest August on record was 1982 with 228 mm, while the driest was 2011 at 6 mm.
Relative humidity in Pago Pago during August averages 80%. The most humid August was 1982 at 83%, and the least humid were 1996 and 2004 at 76%.
August receives about 5.1 kWh/m²/day of solar energy in Pago Pago. The sunniest August was 2008 at 5.6 kWh/m²/day, and the cloudiest were 1995 and 1997 at 4.5.
Average wind speed in Pago Pago during August is 5.7 m/s. The windiest Augusts were 1987 and 1998 at 6.8 m/s, while the calmest were 1981 and 2018 at 4.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.0°C | 26.6°C | 26.9°C | 27.1°C | 27.2°C | +1.2°C |
| Avg High | 26.3°C | 27.0°C | 27.3°C | 27.4°C | 27.5°C | +1.2°C |
| Avg Low | 25.7°C | 26.3°C | 26.6°C | 26.7°C | 26.9°C | +1.2°C |
| Avg Rain | 100 mm | 80 mm | 51 mm | 61 mm | 59 mm | -41 mm |
August temperatures in Pago Pago have risen by about 1.1°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 23.3°C (1987) to a record high of 28.8°C (2023).
Rainfall in August is one of the drier months, averaging 71 mm, with a wettest year of 228 mm.
One of the best times to visit Pago Pago
August is one of the best times to visit Pago Pago. Expect days averaging 27.1°C and nights around 26.4°C (mean 26.8°C) — close to Pago Pago's yearly average — with moderate rainfall (71 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 27.8°C | 27.5°C | 27.1°C | 28.7°C | 25.7°C | 47 mm | 79% | 5.7 m/s | 5.4 |
| 2024 | 27.0°C | 26.7°C | 26.4°C | 28.1°C | 25.6°C | 66 mm | 80% | 6.4 m/s | 5.1 |
| 2023 🔥 | 28.2°C | 27.9°C | 27.6°C | 28.8°C | 26.8°C | 50 mm | 80% | 5.3 m/s | 5.4 |
| 2022 | 27.0°C | 26.7°C | 26.4°C | 27.8°C | 25.3°C | 44 mm | 78% | 5.8 m/s | 5.5 |
| 2021 | 27.4°C | 27.0°C | 26.7°C | 28.2°C | 25.7°C | 89 mm | 80% | 5.6 m/s | 5 |
| 2020 | 27.8°C | 27.6°C | 27.3°C | 28.6°C | 26.6°C | 57 mm | 80% | 6.3 m/s | 5.3 |
| 2019 | 28.0°C | 27.7°C | 27.4°C | 28.6°C | 26.8°C | 41 mm | 78% | 5.5 m/s | 5.4 |
| 2018 | 27.5°C | 27.1°C | 26.6°C | 28.3°C | 25.5°C | 52 mm | 78% | 4.4 m/s | 5.1 |
| 2017 | 27.6°C | 27.3°C | 26.9°C | 28.4°C | 25.5°C | 100 mm | 79% | 6 m/s | 5 |
| 2016 | 27.7°C | 27.3°C | 27.0°C | 28.3°C | 25.4°C | 115 mm | 80% | 5.1 m/s | 5.1 |
| 2015 | 26.6°C | 26.2°C | 25.8°C | 28.0°C | 24.6°C | 47 mm | 78% | 5.7 m/s | 4.9 |
| 2014 | 27.1°C | 26.7°C | 26.3°C | 27.9°C | 25.5°C | 59 mm | 80% | 6 m/s | 5 |
| 2013 | 27.6°C | 27.3°C | 27.0°C | 28.0°C | 26.3°C | 138 mm | 81% | 5.2 m/s | 4.9 |
| 2012 | 27.2°C | 26.9°C | 26.6°C | 28.1°C | 25.5°C | 26 mm | 78% | 6 m/s | 5.4 |
| 2011 | 27.2°C | 26.8°C | 26.4°C | 27.9°C | 25.8°C | 6 mm | 78% | 6.1 m/s | 5.4 |
| 2010 | 27.7°C | 27.4°C | 27.0°C | 28.4°C | 25.8°C | 30 mm | 79% | 6 m/s | 5.5 |
| 2009 | 27.3°C | 26.9°C | 26.6°C | 28.2°C | 25.6°C | 44 mm | 79% | 5.5 m/s | 4.7 |
| 2008 | 27.1°C | 26.8°C | 26.5°C | 27.7°C | 25.8°C | 23 mm | 78% | 6.4 m/s | 5.6 |
| 2007 | 27.8°C | 27.5°C | 27.2°C | 28.3°C | 26.0°C | 79 mm | 77% | 6.7 m/s | 5.3 |
| 2006 | 27.6°C | 27.2°C | 26.9°C | 28.4°C | 25.5°C | 88 mm | 79% | 6.1 m/s | 5.2 |
| 2005 | 27.4°C | 27.0°C | 26.7°C | 28.2°C | 25.9°C | 90 mm | 80% | 5.2 m/s | 5 |
| 2004 | 27.7°C | 27.3°C | 27.0°C | 28.4°C | 26.4°C | 30 mm | 76% | 4.8 m/s | 5.4 |
| 2003 | 27.3°C | 26.9°C | 26.5°C | 28.6°C | 25.1°C | 41 mm | 79% | 4.9 m/s | 5 |
| 2002 | 27.0°C | 26.6°C | 26.2°C | 28.2°C | 24.3°C | 49 mm | 78% | 5.7 m/s | 5 |
| 2001 | 27.1°C | 26.8°C | 26.5°C | 28.1°C | 25.5°C | 47 mm | 79% | 6.1 m/s | 5 |
| 2000 | 26.7°C | 26.3°C | 26.0°C | 27.6°C | 25.0°C | 22 mm | 80% | 5.4 m/s | 5.4 |
| 1999 | 27.3°C | 26.8°C | 26.4°C | 28.1°C | 25.5°C | 33 mm | 77% | 5.2 m/s | 5.3 |
| 1998 | 26.4°C | 26.2°C | 25.9°C | 27.9°C | 25.1°C | 37 mm | 81% | 6.8 m/s | 5 |
| 1997 | 26.4°C | 26.1°C | 25.8°C | 27.4°C | 24.4°C | 107 mm | 83% | 5.6 m/s | 4.5 |
| 1996 | 27.0°C | 26.6°C | 26.2°C | 27.7°C | 24.8°C | 26 mm | 76% | 5.5 m/s | 5.4 |
| 1995 | 27.7°C | 27.3°C | 27.0°C | 28.3°C | 26.1°C | 160 mm | 79% | 5.6 m/s | 4.5 |
| 1994 | 26.5°C | 26.2°C | 25.8°C | 27.6°C | 24.5°C | 124 mm | 80% | 6.6 m/s | 4.6 |
| 1993 | 27.0°C | 26.6°C | 26.3°C | 27.7°C | 25.1°C | 104 mm | 83% | 4.9 m/s | 4.9 |
| 1992 | 27.4°C | 27.1°C | 26.8°C | 28.2°C | 25.8°C | 102 mm | 80% | 4.8 m/s | 4.6 |
| 1991 | 27.3°C | 27.0°C | 26.7°C | 28.0°C | 25.7°C | 83 mm | 80% | 5.8 m/s | 4.6 |
| 1990 | 26.6°C | 26.3°C | 26.0°C | 27.4°C | 24.9°C | 27 mm | 80% | 5.8 m/s | 5.3 |
| 1989 | 26.4°C | 26.1°C | 25.7°C | 27.6°C | 24.7°C | 15 mm | 79% | 5 m/s | 5.4 |
| 1988 | 26.5°C | 26.2°C | 25.9°C | 27.2°C | 24.7°C | 75 mm | 81% | 6.2 m/s | 5.3 |
| 1987 ❄️ | 25.4°C | 25.1°C | 24.9°C | 26.9°C | 23.3°C | 144 mm | 81% | 6.8 m/s | 4.6 |
| 1986 | 26.1°C | 25.8°C | 25.5°C | 27.6°C | 24.4°C | 73 mm | 79% | 5.1 m/s | 5 |
| 1985 | 26.8°C | 26.4°C | 26.1°C | 27.9°C | 25.2°C | 101 mm | 81% | 6.2 m/s | 5 |
| 1984 | 26.2°C | 25.9°C | 25.5°C | 26.9°C | 24.7°C | 81 mm | 82% | 5.1 m/s | 4.9 |
| 1983 | 26.0°C | 25.7°C | 25.4°C | 26.7°C | 24.2°C | 89 mm | 79% | 6.1 m/s | — |
| 1982 🌧️ | 26.6°C | 26.3°C | 25.9°C | 27.6°C | 25.1°C | 228 mm | 83% | 5.4 m/s | — |
| 1981 | 26.7°C | 26.4°C | 26.0°C | 27.6°C | 25.1°C | 95 mm | 81% | 4.4 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 27.1°C with lows near 26.4°C (mean 26.8°C), based on 45 years of NASA POWER data.
August averages 71 mm of rainfall in Pago Pago, one of the drier months. The wettest on record was 228 mm in 1982.
The hottest August reached 28.8°C in 2023. The coldest dipped to 23.3°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.1°C. Daytime highs moved from 26.5°C to 27.5°C and overnight lows from 25.8°C to 26.8°C over the same span.
August is one of the cooler months of the year in Pago Pago and one of the drier months, so plan for around 27.1°C daytime highs and 26.4°C at night.
Yes — August is the coldest month of the year in Pago Pago, averaging 26.8°C.
For August in Pago Pago, pack light layers you can adjust through the day, with typical highs of 27.1°C and lows of 26.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 80% — quite humid.
Average wind speed in August is 5.7 m/s. The windiest August on record averaged 6.8 m/s (1987).
The wettest August on record was 1982 with 228 mm. On average, August sees 71 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Pago Pago behaves each August, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for August specifically, along with year-by-year records and how the month has changed over the decades.
