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Weather & Climate in Ha'atu'a, Tonga
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ha'atu'a 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 / relatively mild seasonal variation. The area gets 205 sunny days per year. Annual precipitation totals 72.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 509 feet.
Temperature
78°F Jan (25°C)
70°F Jul (21°C)
| Annual Average | 73.7°F |
| 36% above US avg | |
| January Average | 78°F (25°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 205 days/yr |
Geography
| Elevation | 509 ft (155 m) |
| Area | 4.4 sq mi (11.4 km²) |
| Population Density | 111/sq mi |
| Coordinates | -21.3766°N, 174.9547°W |
| Timezone | Pacific/Tongatapu |
Precipitation & Snow
Air Quality
Earthquake History
1,577 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.8.
| Dec 21, 1990 | 74 km SSE of Pangai, Tonga | M6.8 | 131 km | 13 km |
| Nov 24, 2009 | 104 km SSE of Pangai, Tonga | M6.8 | 121 km | 18 km |
| Dec 27, 1998 | 131 km WSW of Haveluloto, Tonga | M6.8 | 150 km | 144 km |
| Jul 28, 1995 | 19 km W of Haveluloto, Tonga | M6.4 | 50 km | 92 km |
| May 23, 2013 | 85 km NW of Nuku‘alofa, Tonga | M6.3 | 122 km | 150 km |
| Apr 27, 1994 | 134 km E of ‘Ohonua, Tonga | M6.3 | 134 km | 28 km |
| Feb 3, 1999 | 54 km S of Pangai, Tonga | M6.3 | 134 km | 33 km |
| Mar 30, 2025 | 72 km SSE of Pangai, Tonga | M6.2 | 148 km | 17 km |
| Mar 3, 1991 | 60 km S of ‘Ohonua, Tonga | M6.2 | 56 km | 16 km |
| Apr 5, 2004 | 81 km SSE of Pangai, Tonga | M6.2 | 149 km | 8 km |
| Jan 24, 1999 | 37 km NE of ‘Ohonua, Tonga | M6.1 | 41 km | 33 km |
| Jun 15, 2019 | 82 km ENE of ‘Ohonua, Tonga | M6.1 | 84 km | 13 km |
| Sep 10, 1997 | 58 km E of ‘Ohonua, Tonga | M6.1 | 59 km | 10 km |
| Feb 12, 2011 | 56 km WNW of Haveluloto, Tonga | M6.1 | 93 km | 85 km |
| Oct 18, 2017 | 103 km SE of Pangai, Tonga | M6.1 | 148 km | 10 km |
| Mar 19, 2005 | 65 km S of Pangai, Tonga | M6.1 | 126 km | 18 km |
| Aug 29, 1995 | 64 km ENE of ‘Ohonua, Tonga | M6.1 | 67 km | 19 km |
| Apr 24, 2004 | 64 km SSE of ‘Ohonua, Tonga | M6.1 | 60 km | 8 km |
| Feb 13, 2010 | 65 km SSE of ‘Ohonua, Tonga | M6.1 | 62 km | 11 km |
| Apr 26, 2014 | 56 km NE of Kolonga, Tonga | M6.1 | 74 km | 45 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2014 | Ian | Category 4 | 127 mph | 137 km |
| 2006 | Vaianu | Category 1 | 81 mph | 194 km |
| 2002 | Waka | Category 3 | — | 254 km |
| 2000 | Mona | Category 1 | 81 mph | 109 km |
| 1999 | Cora | Category 2 | 92 mph | 50 km |
Source: NOAA IBTrACS (Category 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 | 104 km |
| 2022 | TONGA ISLANDS | Astronomical | 0.4 m | — | 104 km |
| 2022 | TONGA ISLANDS | Astronomical | 0.2 m | — | 104 km |
| 1948 | TONGA TRENCH | Earthquake | 0.1 m | — | 108 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Tofua (181 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tofua | Caldera | 515 m (1,690 ft) | 2014 | 181 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
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 |
Ha'atu'a 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").