Pago Pago climate

Name: Pago Pago
Address: AS

Pago Pago is warmest in April, with average highs of 27 °C, and coldest in August, when nights average 24 °C. January is the wettest month (357 mm) and August the driest (94 mm). Figures are 1991–2020 climate normals.

Across a full year Pago Pago averages 2,533 mm of rain and 351 days above 25 °C.

American Samoa · 2 m elevation · population 11,500 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month April 27 °C
Coldest month August 24 °C
Driest month August 94 mm
Wettest month January 357 mm
Least cloud August 49 % cloud
Hottest on record February 29 °C
Coldest on record February 21 °C
Warmest sea March 29 °C

What to expectPago Pago through the year

Pago Pago changes little through the year. Average daily highs stay between 26 and 27 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 351 days a year reach 25 °C. The warmest reading in the 1991–2020 record is 29 °C, in February.

Rain is strongly seasonal. January averages 357 mm against 94 mm in August — 3.8 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Pago Pago is warmest in March at 29 °C and coldest in August at 28 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	26.8 °C	357 mm	79 %
February	26.9 °C	312 mm	78 %
March	27.0 °C	262 mm	73 %
April	27.0 °C	219 mm	65 %
May	26.7 °C	193 mm	60 %
June	26.3 °C	117 mm	54 %
July	25.9 °C	107 mm	50 %
August	25.7 °C	94 mm	49 %
September	25.8 °C	121 mm	50 %
October	26.1 °C	193 mm	61 %
November	26.5 °C	237 mm	70 %
December	26.7 °C	319 mm	75 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C
January	26.8 °C	25.1 °C	26.0 °C	28.6 °C	23.5 °C	31
February	26.9 °C	25.1 °C	26.1 °C	28.9 °C	20.6 °C	28
March	27.0 °C	25.1 °C	26.1 °C	28.7 °C	23.3 °C	31
April	27.0 °C	25.2 °C	26.2 °C	28.8 °C	23.1 °C	30
May	26.7 °C	25.1 °C	26.0 °C	28.6 °C	22.5 °C	31
June	26.3 °C	25.0 °C	25.7 °C	28.0 °C	22.8 °C	29
July	25.9 °C	24.6 °C	25.3 °C	27.4 °C	21.8 °C	27
August	25.7 °C	24.5 °C	25.1 °C	27.2 °C	22.3 °C	26
September	25.8 °C	24.5 °C	25.2 °C	27.6 °C	22.9 °C	27
October	26.1 °C	24.6 °C	25.4 °C	27.7 °C	22.8 °C	30
November	26.5 °C	24.8 °C	25.7 °C	28.6 °C	22.8 °C	30
December	26.7 °C	25.0 °C	25.9 °C	28.6 °C	22.6 °C	31

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	357 mm	26	13 h/day	79 %	83 %	25 km/h	28.9 °C
February	312 mm	24	13 h/day	78 %	83 %	26 km/h	29.0 °C
March	262 mm	26	12 h/day	73 %	83 %	23 km/h	29.3 °C
April	219 mm	23	12 h/day	65 %	82 %	24 km/h	29.3 °C
May	193 mm	21	11 h/day	60 %	81 %	27 km/h	28.9 °C
June	117 mm	18	11 h/day	54 %	80 %	31 km/h	28.4 °C
July	107 mm	17	11 h/day	50 %	80 %	31 km/h	27.9 °C
August	94 mm	16	12 h/day	49 %	80 %	31 km/h	27.6 °C
September	121 mm	17	12 h/day	50 %	81 %	30 km/h	27.8 °C
October	193 mm	21	12 h/day	61 %	82 %	28 km/h	28.1 °C
November	237 mm	24	13 h/day	70 %	82 %	26 km/h	28.5 °C
December	319 mm	24	13 h/day	75 %	82 %	26 km/h	28.9 °C

Where Pago Pago ranks

Ranking	Position	Value
Warmest sea temperatures in Asia in February	16thof 50	29 °C
Warmest sea temperatures in Asia in January	25thof 50	29 °C
Warmest sea temperatures in Asia in March	27thof 50	29 °C
Warmest sea temperatures in the world in February	28thof 50	29 °C
Warmest sea temperatures in the world in March	33rdof 50	29 °C
Warmest sea temperatures in the world in January	37thof 50	29 °C

Planning a trip? See the best time to visit Pago Pago.

QuestionsCommon questions about Pago Pago’s climate

When is the best time to visit Pago Pago?

That depends on what you want, so the honest answer is a comparison rather than a single month. July, August, September sit closest to 20 °C on average, April is the warmest month and August the driest. The month-by-month table above has the full picture.

How hot does Pago Pago get?

In April, the warmest month, daily highs average 27 °C. The highest value in the 1991–2020 record is 29 °C.

How cold does it get in winter?

Nights average 24 °C in August, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Pago Pago?

January, averaging 357 mm over 26 days with rain. The driest month is August with 94 mm. The year as a whole averages 2,533 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Pago Pago rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.