January is close to Pago Pago's year-round average, with average highs near 28.3°C and lows around 27.5°C (mean 27.9°C). It is a relatively wet time of year, averaging 285 mm of rainfall and 82% relative humidity across the period.
January is close to Pago Pago's year-round average. Across 45 years of records, the warmest January in Pago Pago was 2024 — when the month averaged 29.1°C — while the coldest was 1989 at 26.7°C. Typical January days reach 28.3°C with nights near 27.5°C. The long-term trend is warming, about 0.3°C per decade.
January is a relatively wet time of year in Pago Pago, averaging 285 mm of rainfall. The wettest January on record was 2011 with 527 mm, while the driest was 2001 at 114 mm.
Relative humidity in Pago Pago during January averages 82%. The most humid January was 1998 at 88%, and the least humid was 2021 at 79%.
January receives about 5.9 kWh/m²/day of solar energy in Pago Pago. The sunniest January was 2001 at 7 kWh/m²/day, and the cloudiest was 2011 at 4.8.
Average wind speed in Pago Pago during January is 4.3 m/s. The windiest Januarys were 2006 and 2011 at 5.7 m/s, while the calmest was 2019 at 2.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.4°C | 27.6°C | 28.1°C | 28.2°C | 28.3°C | +0.9°C |
| Avg High | 27.8°C | 27.9°C | 28.5°C | 28.6°C | 28.7°C | +0.9°C |
| Avg Low | 27.0°C | 27.2°C | 27.7°C | 27.8°C | 28.0°C | +1°C |
| Avg Rain | 346 mm | 297 mm | 230 mm | 301 mm | 239 mm | -107 mm |
January temperatures in Pago Pago have risen by about 0.9°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 24.8°C (1989) to a record high of 30.4°C (2024).
Rainfall in January is a relatively wet time of year, averaging 285 mm, with a wettest year of 527 mm.
A quieter season to visit Pago Pago
If your dates are flexible, the more temperate months of August and July tend to be the most comfortable for visiting Pago Pago. That said, January — with days averaging 28.3°C and nights around 27.5°C (mean 27.9°C) and higher rainfall (285 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 29.0°C | 28.6°C | 28.2°C | 29.7°C | 27.0°C | 263 mm | 80% | 5 m/s | 5.6 |
| 2024 🔥 | 29.5°C | 29.1°C | 28.7°C | 30.4°C | 28.0°C | 189 mm | 82% | 4 m/s | 6.3 |
| 2023 | 28.1°C | 27.7°C | 27.3°C | 28.8°C | 26.1°C | 255 mm | 82% | 4.6 m/s | 6.4 |
| 2022 | 28.7°C | 28.3°C | 28.0°C | 29.7°C | 26.9°C | 240 mm | 80% | 4.5 m/s | 6.6 |
| 2021 | 28.3°C | 27.9°C | 27.6°C | 29.2°C | 26.6°C | 178 mm | 79% | 4.9 m/s | 6.2 |
| 2020 | 28.6°C | 28.2°C | 27.9°C | 29.4°C | 26.9°C | 309 mm | 83% | 5 m/s | 5.7 |
| 2019 | 29.2°C | 28.8°C | 28.4°C | 30.1°C | 27.0°C | 182 mm | 80% | 2.9 m/s | 6.2 |
| 2018 | 28.5°C | 28.1°C | 27.7°C | 29.4°C | 26.4°C | 234 mm | 80% | 3.7 m/s | 5.8 |
| 2017 | 29.2°C | 28.8°C | 28.4°C | 30.1°C | 27.7°C | 249 mm | 80% | 3.3 m/s | 6.6 |
| 2016 | 28.9°C | 28.6°C | 28.2°C | 29.4°C | 27.6°C | 132 mm | 79% | 4.6 m/s | 6.8 |
| 2015 | 29.0°C | 28.6°C | 28.2°C | 30.1°C | 27.2°C | 315 mm | 81% | 3.4 m/s | 6 |
| 2014 | 28.1°C | 27.7°C | 27.3°C | 28.9°C | 25.9°C | 306 mm | 82% | 4 m/s | 5.7 |
| 2013 | 28.4°C | 28.0°C | 27.7°C | 29.1°C | 26.5°C | 469 mm | 83% | 5 m/s | 4.9 |
| 2012 | 28.0°C | 27.7°C | 27.3°C | 28.7°C | 26.4°C | 254 mm | 80% | 4.4 m/s | 5.8 |
| 2011 🌧️ | 27.6°C | 27.1°C | 26.7°C | 28.0°C | 26.1°C | 527 mm | 81% | 5.7 m/s | 4.8 |
| 2010 | 28.8°C | 28.4°C | 28.0°C | 29.5°C | 26.7°C | 336 mm | 83% | 4.7 m/s | 5.6 |
| 2009 | 28.4°C | 28.0°C | 27.5°C | 29.1°C | 26.8°C | 273 mm | 80% | 4.1 m/s | 5.9 |
| 2008 | 28.2°C | 27.7°C | 27.3°C | 28.9°C | 26.5°C | 318 mm | 80% | 5.4 m/s | 5.7 |
| 2007 | 28.9°C | 28.5°C | 28.1°C | 30.0°C | 26.9°C | 147 mm | 82% | 4.8 m/s | 6.1 |
| 2006 | 28.2°C | 27.8°C | 27.4°C | 29.0°C | 26.4°C | 413 mm | 83% | 5.7 m/s | 5.2 |
| 2005 | 29.0°C | 28.6°C | 28.3°C | 29.9°C | 26.8°C | 178 mm | 81% | 3.8 m/s | 6.3 |
| 2004 | 28.4°C | 28.0°C | 27.7°C | 29.9°C | 26.0°C | 212 mm | 79% | 5.2 m/s | 6.1 |
| 2003 | 29.1°C | 28.7°C | 28.3°C | 29.9°C | 26.6°C | 282 mm | 83% | 4.1 m/s | 5.9 |
| 2002 | 28.0°C | 27.6°C | 27.2°C | 29.0°C | 26.1°C | 140 mm | 83% | 3.6 m/s | 6.6 |
| 2001 | 28.3°C | 27.9°C | 27.4°C | 29.4°C | 26.1°C | 114 mm | 81% | 4.1 m/s | 7 |
| 2000 | 28.1°C | 27.7°C | 27.3°C | 29.0°C | 26.4°C | 220 mm | 80% | 4.1 m/s | 6.2 |
| 1999 | 27.4°C | 27.0°C | 26.6°C | 28.4°C | 25.8°C | 377 mm | 83% | 4.4 m/s | 5.2 |
| 1998 | 27.6°C | 27.3°C | 27.0°C | 28.4°C | 26.1°C | 332 mm | 88% | 4.7 m/s | 5.5 |
| 1997 | 27.8°C | 27.4°C | 27.1°C | 28.6°C | 26.3°C | 437 mm | 83% | 4.9 m/s | 6.1 |
| 1996 | 27.7°C | 27.3°C | 27.0°C | 28.4°C | 25.5°C | 260 mm | 83% | 3.9 m/s | 5.5 |
| 1995 | 28.2°C | 27.9°C | 27.6°C | 28.9°C | 27.2°C | 238 mm | 82% | 5.6 m/s | 5.9 |
| 1994 | 28.0°C | 27.7°C | 27.3°C | 29.0°C | 25.9°C | 275 mm | 82% | 4 m/s | 5.8 |
| 1993 | 28.5°C | 28.1°C | 27.7°C | 29.1°C | 26.6°C | 309 mm | 82% | 4.6 m/s | 5.7 |
| 1992 | 27.9°C | 27.5°C | 27.2°C | 28.9°C | 26.2°C | 172 mm | 81% | 4 m/s | 6.2 |
| 1991 | 28.2°C | 27.9°C | 27.5°C | 29.0°C | 25.6°C | 270 mm | 82% | 3.5 m/s | 5.5 |
| 1990 | 27.9°C | 27.5°C | 27.1°C | 28.7°C | 25.8°C | 301 mm | 83% | 5.1 m/s | 6 |
| 1989 ❄️ | 27.1°C | 26.7°C | 26.3°C | 28.6°C | 24.8°C | 295 mm | 82% | 5.1 m/s | 5.9 |
| 1988 | 28.4°C | 28.0°C | 27.6°C | 29.7°C | 25.7°C | 300 mm | 82% | 4.1 m/s | 5.9 |
| 1987 | 28.0°C | 27.7°C | 27.3°C | 28.8°C | 26.6°C | 324 mm | 82% | 3.5 m/s | 5.4 |
| 1986 | 27.7°C | 27.3°C | 26.9°C | 28.4°C | 26.0°C | 438 mm | 83% | 4.5 m/s | 5.2 |
| 1985 | 27.5°C | 27.1°C | 26.7°C | 28.3°C | 25.7°C | 314 mm | 80% | 4.1 m/s | 5.5 |
| 1984 | 27.7°C | 27.3°C | 26.9°C | 28.2°C | 26.1°C | 347 mm | 81% | 3.1 m/s | 5.8 |
| 1983 | 27.9°C | 27.5°C | 27.2°C | 28.7°C | 26.2°C | 311 mm | 83% | 4.1 m/s | — |
| 1982 | 27.8°C | 27.4°C | 27.0°C | 28.5°C | 25.5°C | 403 mm | 82% | 3.9 m/s | — |
| 1981 | 28.1°C | 27.7°C | 27.3°C | 29.0°C | 26.0°C | 379 mm | 81% | 3.2 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 28.3°C with lows near 27.5°C (mean 27.9°C), based on 45 years of NASA POWER data.
January averages 285 mm of rainfall in Pago Pago, a relatively wet time of year. The wettest on record was 527 mm in 2011.
The hottest January reached 30.4°C in 2024. The coldest dipped to 24.8°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.9°C. Daytime highs moved from 27.8°C to 28.7°C and overnight lows from 27°C to 28°C over the same span.
January is close to Pago Pago's year-round average and a relatively wet time of year, so plan for around 28.3°C daytime highs and 27.5°C at night.
Not quite — January is the 9th coolest month in Pago Pago, averaging 27.9°C.
For January in Pago Pago, pack light layers you can adjust through the day, with typical highs of 28.3°C and lows of 27.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 82% — quite humid.
Average wind speed in January is 4.3 m/s. The windiest January on record averaged 5.7 m/s (2006).
The wettest January on record was 2011 with 527 mm. On average, January sees 285 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 January, 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 January specifically, along with year-by-year records and how the month has changed over the decades.
