Mahalangur Himal · Koshi · NepalSummit weather, forecast and climate

Cho Oyu

8,188 mNepal / China borderUltra-prominent peakSnow likely Jan–Dec

Elevation8,188 mabove sea level

Prominence2,344 mindependent height

Isolation29 kmto a higher summit

Summit, Jul-6°average high

28.09° N, 86.66° EElevation 8,188 mUTC+5:45 · Nepal Time

From the valley to the top

Summit8,188 m
Mid-mountain6,480 m
Valley · Gokyo4,770 m

Freezing level in October: 5,150 m

iThe mountain

Cho Oyu in brief

Cho Oyu rises to 8,188 m in the Mahalangur Himal, Koshi, Nepal. Its topographic prominence — the height it stands above the lowest contour enclosing a higher summit — is 2,344 m, which makes it an ultra-prominent peak.

At the summit, July is the mildest month with average highs of -6°, while nights stay below freezing all year. Even daytime highs stay below zero in every month.

The summit lies on the border between Nepal and China, so it appears in the mountain lists of both countries.

The nearest town in the atlas is Gokyo, 16 km to the S at 4,770 m.

Facts

Elevation: 8,188 m · 26,864 ft
Prominence: 2,344 m
Range: Mahalangur Himal
Region: Koshi
Country: Nepal
Coordinates: 28.0942, 86.6608
Nearest airport: Tenzing-Hillary Airport (LUA) · 46 km

iiForecast

Weather at three heights

Temperatures are adjusted to each height; summits are usually colder and windier than the valley forecast suggests.

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iiiSummit climate

The top of Cho Oyu by month

Summit temperatures and precipitation

Climate normals for the summit area (~1 km grid), station-adjusted

Climate normals for Cho Oyu by month
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average high	-28°	-28°	-24°	-19°	-13°	-6°	-6°	-6°	-9°	-15°	-20°	-24°
Average low	-38°	-38°	-35°	-30°	-22°	-14°	-12°	-12°	-16°	-24°	-31°	-34°
Precipitation	27 mm	38 mm	40 mm	47 mm	79 mm	240 mm	486 mm	477 mm	249 mm	46 mm	10 mm	16 mm
Cloud cover	14%	16%	19%	23%	21%	38%	72%	70%	42%	11%	8%	11%
Daylight	10h 33	11h 12	11h 58	12h 49	13h 32	13h 55	13h 46	13h 10	12h 21	11h 32	10h 46	10h 22
Month score	51	48	47	45	36	22	8	8	20	45	55	54

Snow and freezing level

Average height of the 0 °C level from the summit normals (6.5 °C per km); snow months have a summit mean at or below +1 °C

Snow likely Jan–Dec

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Freezing level	3,150 m	3,150 m	3,650 m	4,400 m	5,500 m	6,600 m	6,800 m	6,750 m	6,250 m	5,150 m	4,250 m	3,750 m
Summit	❄ snow	❄ snow	❄ snow	❄ snow	❄ snow	❄ snow	❄ snow	❄ snow	❄ snow	❄ snow	❄ snow	❄ snow

ivTerrain

Cho Oyu in 3D

vNeighbours

Peaks nearby

Mountains of Nepal

Mountain	Elevation	Prominence	Distance	July summit high
Gyachung Kang	7,952 m	672 m	8.0 km E	-4°
Tenzing Peak	7,916 m	171 m	2.7 km NE	-4°
Ngozumpa Kang II	7,720 m	–	4.6 km E	-3°
Nangpai Gosum	7,350 m	426 m	6.7 km SW	2°
Nangpai Gosum II	7,321 m	–	6.7 km SW	2°
Siguang Ri	7,308 m	650 m	6.3 km N	-1°
Pumori	7,161 m	1,278 m	19 km SE	0°
Hungchi	7,029 m	876 m	12 km SE	0°