Kolonga, Tonga

Full City Profile

1,206 Population 274/sq mi density

36 ft Elevation 11 meters

76°F Avg Temperature 25°C

Kolonga has a warm climate with an average annual temperature of 76°F (24°C). Winters average 81°F in January while summers reach 72°F in July. The area gets 311 sunny days per year. Annual precipitation totals 57.5 inches. The area receives 0.0 inches of snow annually.

Temperature

81°F Jan (27°C) 72°F Jul (22°C)

Annual Average	76.1°F
	41% above US avg
January Average	81°F (27°C)
July Average	72°F (22°C)
Sunny Days	311 days/yr

Geography

Elevation	36 ft (11 m)
Area	4.4 sq mi (11.4 km²)
Population Density	274/sq mi
Coordinates	-21.1333°N, 175.0667°W
Timezone	Pacific/Tongatapu

Precipitation & Snow

Annual Rainfall 57.5"

51% above US avg

Snowfall 0.0"

Wettest Month (Mar) 9.29"

Driest Month (Jul) 3.78"

Air Quality

Earthquake History

1,605 earthquakes (M2.5+) within 150 km since 1990. Strongest: M8.0. Most recent: M0.0 on Aug 16, 2025.

May 3, 2006	2006 Tonga Earthquake	M8.0	144 km
Mar 30, 2025	61 km SSE of Pangai, Tonga	M7.0	139 km
Aug 25, 2024	75 km W of Pangai, Tonga	M6.9	147 km
Dec 21, 1990	74 km SSE of Pangai, Tonga	M6.8	120 km
Nov 24, 2009	104 km SSE of Pangai, Tonga	M6.8	117 km
Dec 27, 1998	131 km WSW of Haveluloto, Tonga	M6.8	147 km
Apr 13, 1999	132 km WSW of Haveluloto, Tonga	M6.8	148 km
Jul 28, 1995	19 km W of Haveluloto, Tonga	M6.4	34 km
May 23, 2013	85 km NW of Nuku‘alofa, Tonga	M6.3	95 km
Feb 3, 1999	54 km S of Pangai, Tonga	M6.3	118 km
Mar 30, 2025	72 km SSE of Pangai, Tonga	M6.2	138 km
Mar 3, 1991	60 km S of ‘Ohonua, Tonga	M6.2	82 km
Apr 5, 2004	81 km SSE of Pangai, Tonga	M6.2	141 km
Aug 29, 1995	64 km ENE of ‘Ohonua, Tonga	M6.1	74 km
Apr 24, 2004	64 km SSE of ‘Ohonua, Tonga	M6.1	89 km
Sep 10, 1997	58 km E of ‘Ohonua, Tonga	M6.1	75 km
Feb 13, 2010	65 km SSE of ‘Ohonua, Tonga	M6.1	91 km
Mar 19, 2005	65 km S of Pangai, Tonga	M6.1	111 km
Feb 12, 2011	56 km WNW of Haveluloto, Tonga	M6.1	69 km
Oct 18, 2017	103 km SE of Pangai, Tonga	M6.1	145 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

6 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4.

Year	Name	Category	Closest
2019	Pola	Category 1	282 km
2014	Ian	Category 4	143 km
2006	Vaianu	Category 1	190 km
2002	Waka	Category 3	251 km
2000	Mona	Category 1	97 km
1999	Cora	Category 2	41 km

Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

5 tsunamis recorded within 500 km. Highest wave on record: 22.0 m (72 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
2022	TONGA ISLANDS	Astronomical	22.0 m	6	74 km
2022	TONGA ISLANDS	Astronomical	0.4 m	—	74 km
2006	TONGA	Earthquake	0.3 m	—	144 km
2022	TONGA ISLANDS	Astronomical	0.2 m	—	74 km
1948	TONGA TRENCH	Earthquake	0.1 m	—	112 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

1 volcano within 200 km. Closest: Tofua (154 km).

Name	Type	Elevation	Last Eruption	Distance
Tofua	Caldera	515 m (1,690 ft)	2014	154 km

Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	81°F (27°C)	8.4 in	Warmest
February	80°F (27°C)	8.1 in
March	79°F (26°C)	9.3 in	Wettest
April	77°F (25°C)	7.1 in
May	74°F (24°C)	4.8 in
June	73°F (23°C)	3.9 in
July	72°F (22°C)	3.8 in	Driest
August	71°F (21°C)	4.3 in	Coldest
September	72°F (22°C)	4.7 in
October	73°F (23°C)	5.3 in
November	75°F (24°C)	5.7 in
December	77°F (25°C)	7.1 in

Kolonga has a seasonal temperature swing of 10°F / from 71°F in August to 81°F in January. Total annual precipitation is 72.6 inches, with March being the wettest month (9.3") and July the driest (3.8").

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