IndonesiaSummit weather, forecast and climate

Mount Merapi (Ijen)

2,799 m

Elevation2,799 mabove sea level

Prominence–independent height

Isolation25 kmto a higher summit

Summit, Jul15°average high

8.06° S, 114.26° EElevation 2,799 mUTC+0 · Coordinated Universal Time

From the valley to the top

Freezing level in October: above the summit

iThe mountain

Mount Merapi (Ijen) in brief

Mount Merapi (Ijen) rises to 2,799 m, Indonesia.

At the summit, October is the mildest month with average highs of 18°, while nights rarely fall below freezing.

Elevation: 2,799 m · 9,183 ft
Country: Indonesia
Coordinates: -8.0627, 114.2620
Nearest airport: Denpasar I Gusti Ngurah Rai International Airport (DPS) · 125 km

iiForecast

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

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iiiSummit climate

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

Climate normals for Mount Merapi (Ijen) by month
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average high	16°	16°	16°	16°	16°	16°	15°	16°	17°	18°	17°	16°
Average low	11°	11°	10°	10°	10°	9°	8°	8°	9°	10°	10°	10°
Precipitation	466 mm	442 mm	408 mm	229 mm	175 mm	126 mm	132 mm	85 mm	97 mm	161 mm	230 mm	404 mm
Cloud cover	81%	82%	69%	58%	39%	30%	30%	27%	32%	40%	58%	75%
Daylight	12h 32	12h 22	12h 09	11h 56	11h 45	11h 39	11h 42	11h 51	12h 03	12h 16	12h 29	12h 35
Month score	36	36	42	45	52	54	53	65	67	60	51	39

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

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Freezing level	4,850 m	4,850 m	4,850 m	4,800 m	4,750 m	4,700 m	4,600 m	4,600 m	4,800 m	4,900 m	4,900 m	4,850 m
Summit	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C

ivTerrain

vNeighbours

Mountain	Elevation	Prominence	Distance	July summit high
Ijen	2,769 m	–	2.3 km W	16°