TongaSummit weather, forecast and climate

Fonualei

Volcano180 m

Elevation180 mabove sea level

Prominence–independent height

Isolation93 kmto a higher summit

Summit, Jul24°average high

18.02° S, 174.32° WElevation 180 mUTC+0 · Coordinated Universal Time

From the valley to the top

Freezing level in October: above the summit

iThe mountain

Fonualei in brief

Fonualei rises to 180 m, Tonga.

At the summit, March is the mildest month with average highs of 27°, while nights rarely fall below freezing.

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 Fonualei by month
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average high	27°	27°	27°	27°	26°	25°	24°	24°	24°	25°	26°	26°
Average low	25°	25°	26°	25°	24°	24°	23°	23°	23°	24°	24°	25°
Precipitation	282 mm	276 mm	304 mm	290 mm	186 mm	151 mm	100 mm	93 mm	147 mm	175 mm	173 mm	274 mm
Cloud cover	46%	46%	44%	38%	35%	33%	35%	35%	35%	36%	39%	43%
Daylight	13h 05	12h 40	12h 12	11h 41	11h 16	11h 03	11h 09	11h 30	11h 59	12h 30	12h 58	13h 12
Month score	53	52	52	57	62	66	70	72	65	65	61	57

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	4,150 m	4,200 m	4,250 m	4,150 m	4,050 m	3,950 m	3,800 m	3,800 m	3,850 m	3,900 m	4,000 m	4,100 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