Jayapura climate

Name: Jayapura
Address: ID

Jayapura is warmest in October, with average highs of 30 °C, and coldest in August, when nights average 23 °C. December is the wettest month (301 mm) and September the driest (209 mm). Figures are 1991–2020 climate normals.

Across a full year Jayapura averages 3,015 mm of rain and 365 days above 25 °C.

Indonesia · population 410,852 · 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 October 30 °C
Coldest month August 23 °C
Driest month September 209 mm
Wettest month December 301 mm
Least cloud August 74 % cloud
Hottest on record December 43 °C
Coldest on record August 22 °C
Warmest sea November 30 °C

What to expectJayapura through the year

Jayapura changes little through the year. Average daily highs stay between 29 and 30 °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, 80 of them reach 30 °C. The warmest reading in the 1991–2020 record is 43 °C, in December.

Rain is spread fairly evenly through the year, from 209 mm in September to 301 mm in December. There is no dry season to aim for.

The sea off Jayapura is warmest in November at 30 °C and coldest in February at 29 °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	29.2 °C	273 mm	89 %
February	29.0 °C	250 mm	91 %
March	29.1 °C	295 mm	89 %
April	29.2 °C	276 mm	88 %
May	29.3 °C	235 mm	80 %
June	28.9 °C	229 mm	80 %
July	28.5 °C	232 mm	78 %
August	28.9 °C	228 mm	74 %
September	29.2 °C	209 mm	75 %
October	29.6 °C	213 mm	81 %
November	29.5 °C	275 mm	87 %
December	29.3 °C	301 mm	91 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	29.2 °C	24.0 °C	26.2 °C	32.5 °C	22.3 °C	31	6
February	29.0 °C	23.9 °C	26.1 °C	34.6 °C	22.1 °C	28	5
March	29.1 °C	24.0 °C	26.1 °C	33.9 °C	21.9 °C	31	7
April	29.2 °C	23.9 °C	26.1 °C	35.1 °C	22.3 °C	30	6
May	29.3 °C	24.0 °C	26.2 °C	36.4 °C	22.4 °C	31	7
June	28.9 °C	23.6 °C	25.8 °C	34.5 °C	21.8 °C	30	3
July	28.5 °C	23.4 °C	25.6 °C	32.0 °C	21.6 °C	31	3
August	28.9 °C	23.4 °C	25.7 °C	34.2 °C	21.5 °C	31	5
September	29.2 °C	23.6 °C	25.9 °C	33.1 °C	21.6 °C	30	8
October	29.6 °C	23.8 °C	26.2 °C	35.5 °C	22.0 °C	31	11
November	29.5 °C	23.9 °C	26.2 °C	33.1 °C	22.3 °C	30	10
December	29.3 °C	24.1 °C	26.2 °C	43.4 °C	22.4 °C	31	7

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	273 mm	27	12 h/day	89 %	89 %	16 km/h	28.8 °C
February	250 mm	25	12 h/day	91 %	89 %	16 km/h	28.7 °C
March	295 mm	27	12 h/day	89 %	89 %	16 km/h	28.7 °C
April	276 mm	27	12 h/day	88 %	90 %	13 km/h	29.2 °C
May	235 mm	27	12 h/day	80 %	90 %	12 km/h	29.5 °C
June	229 mm	26	12 h/day	80 %	91 %	12 km/h	29.4 °C
July	232 mm	26	12 h/day	78 %	90 %	13 km/h	29.1 °C
August	228 mm	25	12 h/day	74 %	89 %	13 km/h	28.9 °C
September	209 mm	25	12 h/day	75 %	89 %	13 km/h	29.2 °C
October	213 mm	25	12 h/day	81 %	88 %	13 km/h	29.5 °C
November	275 mm	27	12 h/day	87 %	89 %	13 km/h	29.6 °C
December	301 mm	28	12 h/day	91 %	90 %	15 km/h	29.3 °C

Where Jayapura ranks

Ranking	Position	Value
Warmest sea temperatures in Asia in November	20th of 50	30 °C
Warmest sea temperatures in Asia in December	24th of 50	29 °C
Warmest sea temperatures in the world in November	24th of 50	30 °C
Warmest sea temperatures in the world in December	29th of 50	29 °C
Warmest sea temperatures in Asia in January	36th of 50	29 °C
Warmest sea temperatures in Asia in February	39th of 50	29 °C

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

QuestionsCommon questions about Jayapura’s climate

When is the best time to visit Jayapura?

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

How hot does Jayapura get?

In October, the warmest month, daily highs average 30 °C. About 80 days a year pass 30 °C. The highest value in the 1991–2020 record is 43 °C.

How cold does it get in winter?

Nights average 23 °C in August, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Jayapura?

December, averaging 301 mm over 28 days with rain. The driest month is September with 209 mm. The year as a whole averages 3,015 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 Jayapura 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: -2.534°, 140.718° (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.