Grande Comore · ComorosSummit weather, forecast and climate

Mount Karthala

Shield volcano · last major eruption 20052,361 m

Elevation2,361 mabove sea level

Prominence–independent height

Isolation–to a higher summit

Summit, Jul12°average high

11.76° S, 43.35° EElevation 2,361 mUTC+3 · East Africa Time

From the valley to the top

Freezing level in October: above the summit

iThe mountain

Mount Karthala in brief

Mount Karthala rises to 2,361 m, Grande Comore, Comoros.

At the summit, February is the mildest month with average highs of 17°, while nights rarely fall below freezing.

The nearest town in the atlas is Mdjoyezi, 9.5 km to the SW at 287 m.

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 Karthala by month
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average high	16°	17°	17°	16°	15°	13°	12°	12°	13°	14°	16°	16°
Average low	14°	14°	14°	13°	13°	11°	10°	10°	11°	12°	13°	13°
Precipitation	332 mm	258 mm	256 mm	193 mm	145 mm	134 mm	100 mm	77 mm	57 mm	95 mm	123 mm	247 mm
Cloud cover	59%	60%	48%	27%	16%	16%	16%	12%	10%	11%	19%	40%
Daylight	12h 44	12h 29	12h 11	11h 51	11h 35	11h 26	11h 30	11h 43	12h 02	12h 21	12h 39	12h 48
Month score	47	48	52	56	50	39	40	48	59	55	54	53

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	4,700 m	4,750 m	4,700 m	4,600 m	4,450 m	4,150 m	4,050 m	4,050 m	4,200 m	4,400 m	4,550 m	4,650 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