Ngerulmud climate

Name: Ngerulmud
Address: PW

Ngerulmud is warmest in May, with average highs of 28 °C, and coldest in July, when nights average 25 °C. July is the wettest month (356 mm) and March the driest (160 mm). Figures are 1991–2020 climate normals.

Across a full year Ngerulmud averages 3,083 mm of rain and 365 days above 25 °C.

Palau · 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 May 28 °C
Coldest month July 25 °C
Driest month March 160 mm
Wettest month July 356 mm
Least cloud April 67 % cloud
Hottest on record September 31 °C
Coldest on record March 23 °C
Warmest sea June 30 °C

What to expectNgerulmud through the year

Ngerulmud changes little through the year. Average daily highs stay between 28 and 28 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 365 days a year reach 25 °C, 1 of them reach 30 °C. The warmest reading in the 1991–2020 record is 31 °C, in September.

Rain is strongly seasonal. July averages 356 mm against 160 mm in March — 2.2 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Ngerulmud is warmest in June at 30 °C and coldest in February 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	27.5 °C	220 mm	71 %
February	27.4 °C	197 mm	71 %
March	27.7 °C	160 mm	69 %
April	28.0 °C	177 mm	67 %
May	28.1 °C	270 mm	77 %
June	27.8 °C	349 mm	84 %
July	27.7 °C	356 mm	85 %
August	27.7 °C	281 mm	82 %
September	27.9 °C	270 mm	82 %
October	28.0 °C	266 mm	77 %
November	28.0 °C	261 mm	75 %
December	27.8 °C	276 mm	74 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C
January	27.5 °C	25.4 °C	26.5 °C	29.5 °C	23.5 °C	31
February	27.4 °C	25.3 °C	26.3 °C	29.4 °C	23.4 °C	28
March	27.7 °C	25.5 °C	26.5 °C	29.6 °C	23.3 °C	31
April	28.0 °C	25.7 °C	26.8 °C	30.2 °C	23.7 °C	30
May	28.1 °C	25.6 °C	26.9 °C	30.3 °C	23.7 °C	31
June	27.8 °C	25.4 °C	26.6 °C	29.9 °C	23.5 °C	30
July	27.7 °C	25.3 °C	26.5 °C	29.9 °C	23.3 °C	31
August	27.7 °C	25.4 °C	26.6 °C	29.9 °C	23.4 °C	31
September	27.9 °C	25.4 °C	26.7 °C	30.7 °C	23.7 °C	30
October	28.0 °C	25.5 °C	26.7 °C	30.2 °C	23.6 °C	31
November	28.0 °C	25.6 °C	26.8 °C	30.1 °C	23.5 °C	30
December	27.8 °C	25.6 °C	26.7 °C	30.1 °C	23.5 °C	31

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	220 mm	22	12 h/day	71 %	82 %	28 km/h	28.4 °C
February	197 mm	20	12 h/day	71 %	82 %	28 km/h	28.0 °C
March	160 mm	19	12 h/day	69 %	81 %	26 km/h	28.2 °C
April	177 mm	21	12 h/day	67 %	82 %	24 km/h	28.7 °C
May	270 mm	26	12 h/day	77 %	83 %	20 km/h	29.3 °C
June	349 mm	28	13 h/day	84 %	84 %	20 km/h	29.5 °C
July	356 mm	27	13 h/day	85 %	84 %	22 km/h	29.2 °C
August	281 mm	25	12 h/day	82 %	83 %	23 km/h	29.0 °C
September	270 mm	24	12 h/day	82 %	83 %	22 km/h	29.1 °C
October	266 mm	25	12 h/day	77 %	83 %	21 km/h	29.3 °C
November	261 mm	26	12 h/day	75 %	84 %	22 km/h	29.4 °C
December	276 mm	26	12 h/day	74 %	83 %	26 km/h	29.0 °C

Where Ngerulmud ranks

Ranking	Position	Value
Warmest sea temperatures in the world in November	39th of 50	29 °C
Warmest sea temperatures in the world in December	47th of 50	29 °C

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

QuestionsCommon questions about Ngerulmud’s climate

When is the best time to visit Ngerulmud?

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

How hot does Ngerulmud get?

In May, the warmest month, daily highs average 28 °C. About 1 days a year pass 30 °C. The highest value in the 1991–2020 record is 31 °C.

How cold does it get in winter?

Nights average 25 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Ngerulmud?

July, averaging 356 mm over 27 days with rain. The driest month is March with 160 mm. The year as a whole averages 3,083 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 Ngerulmud 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
Data point: 7.501°, 134.624° (the coordinates the reanalysis values are taken for)
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.