Cascade · SeychellesSummit weather, forecast and climate

Mount Harrison

621 m

Elevation621 mabove sea level

Prominence–independent height

Isolation6.7 kmto a higher summit

Summit, Jul24°average high

4.68° S, 55.49° EElevation 621 mUTC+4 · Seychelles Time

From the valley to the top

Freezing level in October: above the summit

iThe mountain

Mount Harrison in brief

Mount Harrison rises to 621 m, Cascade, Seychelles.

At the summit, April is the mildest month with average highs of 26°, while nights rarely fall below freezing.

The nearest town in the atlas is Cascade, 2.1 km to the NE at 42 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 Harrison by month
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average high	25°	26°	26°	26°	26°	24°	24°	24°	24°	25°	25°	25°
Average low	24°	24°	24°	25°	24°	23°	23°	23°	23°	23°	23°	23°
Precipitation	494 mm	255 mm	245 mm	222 mm	196 mm	146 mm	111 mm	147 mm	204 mm	212 mm	246 mm	415 mm
Cloud cover	49%	42%	37%	30%	35%	49%	53%	51%	39%	30%	30%	41%
Daylight	12h 22	12h 15	12h 08	12h 00	11h 54	11h 51	11h 52	11h 57	12h 05	12h 12	12h 20	12h 23
Month score	59	59	60	62	62	59	60	58	63	67	67	62

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	4,350 m	4,450 m	4,500 m	4,500 m	4,450 m	4,300 m	4,150 m	4,150 m	4,250 m	4,300 m	4,350 m	4,350 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
Morne Seychellois	905 m	905 m	6.7 km NW	22°
Congo Rouge	750 m	–	7.2 km NW	23°
Montagne Jasmin	643 m	–	11 km NW	24°
Morne Blanc	635 m	–	6.8 km NW	22°
Mont Le Niol	618 m	–	9.3 km NW	24°
Mount Simpson	568 m	–	9.4 km NW	24°
Castle Peak	555 m	–	4.7 km SE	24°
Copolla	497 m	–	4.7 km NW	24°