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'Ohonua, Tonga

Full City Profile

1,466 Population 332/sq mi density
66 ft Elevation 20 meters
74°F Avg Temperature 23°C
'Ohonua has a warm climate with an average annual temperature of 74°F (23°C). Winters average 78°F in January while summers reach 70°F in July. The area gets 205 sunny days per year. Annual precipitation totals 72.2 inches. The area receives 0.0 inches of snow annually.

Temperature

78°F Jan (25°C) 70°F Jul (21°C)
Annual Average73.7°F
36% above US avg
January Average78°F (25°C)
July Average70°F (21°C)
Sunny Days205 days/yr

Geography

Elevation66 ft (20 m)
Area4.4 sq mi (11.4 km²)
Population Density332/sq mi
Coordinates-21.3414°N, 174.9566°W
TimezonePacific/Tongatapu

Precipitation & Snow

Annual Rainfall 72.2"
90% above US avg
Snowfall 0.0"
Wettest Month (Mar) 8.98"
Driest Month (Jun) 3.66"

Air Quality

Earthquake History

1,584 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.0. Most recent: M0.0 on Aug 16, 2025.

Mar 30, 2025 61 km SSE of Pangai, Tonga M7.0 148 km
Dec 21, 1990 74 km SSE of Pangai, Tonga M6.8 128 km
Nov 24, 2009 104 km SSE of Pangai, Tonga M6.8 119 km
Jul 28, 1995 19 km W of Haveluloto, Tonga M6.4 49 km
May 23, 2013 85 km NW of Nuku‘alofa, Tonga M6.3 119 km
Apr 27, 1994 134 km E of ‘Ohonua, Tonga M6.3 135 km
Feb 3, 1999 54 km S of Pangai, Tonga M6.3 131 km
Apr 5, 2004 81 km SSE of Pangai, Tonga M6.2 146 km
Mar 3, 1991 60 km S of ‘Ohonua, Tonga M6.2 59 km
Mar 30, 2025 72 km SSE of Pangai, Tonga M6.2 145 km
Apr 24, 2004 64 km SSE of ‘Ohonua, Tonga M6.1 64 km
Feb 12, 2011 56 km WNW of Haveluloto, Tonga M6.1 90 km
Sep 10, 1997 58 km E of ‘Ohonua, Tonga M6.1 59 km
Jan 24, 1999 37 km NE of ‘Ohonua, Tonga M6.1 39 km
Oct 18, 2017 103 km SE of Pangai, Tonga M6.1 146 km
Mar 19, 2005 65 km S of Pangai, Tonga M6.1 122 km
Feb 13, 2010 65 km SSE of ‘Ohonua, Tonga M6.1 65 km
Aug 29, 1995 64 km ENE of ‘Ohonua, Tonga M6.1 66 km
Jun 15, 2019 82 km ENE of ‘Ohonua, Tonga M6.1 84 km
Apr 26, 2014 56 km NE of Kolonga, Tonga M6.1 71 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2014 Ian Category 4 136 km
2006 Vaianu Category 1 195 km
2002 Waka Category 3 252 km
2000 Mona Category 1 109 km
1999 Cora Category 2 46 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

4 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 6 100 km
2022 TONGA ISLANDS Astronomical 0.4 m — 100 km
2022 TONGA ISLANDS Astronomical 0.2 m — 100 km
1948 TONGA TRENCH Earthquake 0.1 m — 106 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

1 volcano within 200 km. Closest: Tofua (177 km).

Name Type Elevation Last Eruption Distance
Tofua Caldera 515 m (1,690 ft) 2014 177 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 78°F (25°C) 8.2 in
February 78°F (26°C) 8.1 in Warmest
March 78°F (26°C) 9.0 in Wettest
April 76°F (24°C) 7.2 in
May 73°F (23°C) 5.0 in
June 71°F (22°C) 3.7 in Driest
July 70°F (21°C) 3.7 in
August 69°F (21°C) 4.3 in Coldest
September 70°F (21°C) 4.6 in
October 71°F (22°C) 5.4 in
November 74°F (23°C) 5.7 in
December 76°F (25°C) 7.4 in

'Ohonua has a seasonal temperature swing of 9°F / from 69°F in August to 78°F in February. Total annual precipitation is 72.2 inches, with March being the wettest month (9.0") and June the driest (3.7").

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