TongaSummit weather, forecast and climate

Kao

Volcano1,030 mMajor summit

Elevation1,030 mabove sea level

Prominence1,030 mindependent height

Isolation–to a higher summit

Summit, Jul21°average high

19.67° S, 175.02° WElevation 1,030 mUTC+0 · Coordinated Universal Time

From the valley to the top

Summit1,030 m
Mid-mountain520 m
Valley0 m

Freezing level in October: above the summit

iThe mountain

Kao in brief

Kao rises to 1,030 m, Tonga. Its topographic prominence — the height it stands above the lowest contour enclosing a higher summit — is 1,030 m, a major independent summit.

At the summit, February is the mildest month with average highs of 24°, while nights rarely fall below freezing.

Facts

Elevation: 1,030 m · 3,379 ft
Prominence: 1,030 m
Country: Tonga
Coordinates: -19.6667, -175.0167
Nearest airport: Lifuka Island Airport (HPA) · 72 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 Kao by month

Summit temperatures and precipitation

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

Climate normals for Kao by month
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average high	24°	24°	24°	24°	22°	22°	21°	21°	21°	21°	23°	23°
Average low	23°	23°	23°	22°	21°	21°	19°	19°	20°	20°	21°	22°
Precipitation	254 mm	278 mm	274 mm	258 mm	168 mm	122 mm	116 mm	123 mm	141 mm	128 mm	140 mm	206 mm
Cloud cover	48%	46%	46%	41%	40%	37%	38%	37%	37%	39%	42%	43%
Daylight	13h 11	12h 44	12h 13	11h 39	11h 11	10h 57	11h 03	11h 27	11h 59	12h 32	13h 03	13h 19
Month score	60	60	60	62	63	64	65	64	64	63	62	62

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

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Freezing level	4,600 m	4,650 m	4,650 m	4,600 m	4,350 m	4,250 m	4,100 m	4,100 m	4,150 m	4,200 m	4,400 m	4,500 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

Kao in 3D

vNeighbours

Peaks nearby

Mountains of Tonga

Mountain	Elevation	Prominence	Distance	July summit high
Tofua	515 m	515 m	11 km SW	24°