Puncak Jaya (Carstensz) climate

Name: Puncak Jaya (Carstensz)
Address: New Guinea highlands, Indonesia

Indonesia · New Guinea highlands · 4.083° S, 137.183° E

Köppen ETalpine tundra & glacierPolar & alpine

Highest point between Himalaya and Andes (~4884 m): perpetual cold with shrinking equatorial glaciers.

Cold enough that no month is truly warm — tundra, ice cap, or high mountain.

What the year looks like

Average monthly temperature — °F / °C

Average high Average low

Average monthly precipitation — in / mm

Rain Snowfall

Warmest month

May, 39°F / 4°C

Coldest month

August, 29°F / -2°C

Annual swing

10°F / 6°C

Wettest month

March

Driest month

June

Rain per year

195.5" / 4966 mm

Snow per year

9.4" / 238 mm

Elevation

15571 ft / 4746 m

Time zone

Asia/Jayapura

2019-2023 averages from Open-Meteo Historical Weather API (ERA5 reanalysis). Imperial / metric.
Month	High °F/°C	Low °F/°C	Rain in/mm	Snow in/mm	Humidity	Wind mph/km/h	Cloud
January	38 / 3	30 / -1	16.98 / 431	0.5 / 13	91%	2.7 / 4.3	97%
February	38 / 3	30 / -1	15.91 / 404	0.2 / 5	91%	2.8 / 4.5	97%
March	38 / 3	30 / -1	19.45 / 494	0.5 / 12	92%	2.6 / 4.2	97%
April	38 / 3	30 / -1	16.59 / 421	0.7 / 17	91%	2.3 / 3.7	95%
May	39 / 4	30 / -1	18.24 / 463	0.4 / 10	91%	2.0 / 3.2	93%
June	38 / 3	30 / -1	13.15 / 334	0.7 / 17	91%	2.1 / 3.4	90%
July	37 / 3	30 / -1	16.70 / 424	1.0 / 25	91%	2.1 / 3.4	90%
August	37 / 3	29 / -2	13.97 / 355	1.1 / 27	90%	2.3 / 3.7	86%
September	38 / 3	29 / -2	16.23 / 412	1.4 / 36	91%	2.2 / 3.5	91%
October	38 / 3	29 / -2	16.71 / 424	1.5 / 37	91%	2.2 / 3.5	94%
November	38 / 3	29 / -2	15.45 / 392	1.3 / 34	91%	2.2 / 3.5	95%
December	38 / 3	30 / -1	16.15 / 410	0.2 / 5	91%	2.6 / 4.2	97%

Could you have placed Puncak Jaya (Carstensz) from those graphs alone?

That is the whole game: read a mystery location's climate charts, drop a pin on the world map, and score by how close you got.