Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Niutoua has a warm climate with an average annual temperature of 76°F (25°C). Winters average 81°F in January while summers reach 72°F in July / relatively mild seasonal variation. The area gets 311 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 57.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 33 feet.
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
33 ft (10 m)
Area
4.4 sq mi (11.4 km²)
Population Density
161/sq mi
Coordinates
-21.1333°N, 175.0500°W
Timezone
Pacific/Tongatapu
Precipitation & Snow
Annual Rainfall57.5"
51% above US avg
Snowfall0.0"
Wettest Month (Mar)9.29"
Driest Month (Jul)3.78"
Air Quality
Earthquake History
1,609 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M8.0.
May 3, 2006
2006 Tonga Earthquake
M8.0
143 km
55 km
Mar 30, 2025
61 km SSE of Pangai, Tonga
M7.0
137 km
29 km
Aug 25, 2024
75 km W of Pangai, Tonga
M6.9
147 km
96 km
Dec 27, 1998
131 km WSW of Haveluloto, Tonga
M6.8
148 km
144 km
Apr 13, 1999
132 km WSW of Haveluloto, Tonga
M6.8
150 km
164 km
Nov 24, 2009
104 km SSE of Pangai, Tonga
M6.8
116 km
18 km
Dec 21, 1990
74 km SSE of Pangai, Tonga
M6.8
118 km
13 km
Jul 28, 1995
19 km W of Haveluloto, Tonga
M6.4
36 km
92 km
Apr 27, 1994
134 km E of ‘Ohonua, Tonga
M6.3
149 km
28 km
Feb 3, 1999
54 km S of Pangai, Tonga
M6.3
116 km
33 km
May 23, 2013
85 km NW of Nuku‘alofa, Tonga
M6.3
96 km
150 km
Mar 3, 1991
60 km S of ‘Ohonua, Tonga
M6.2
82 km
16 km
Apr 5, 2004
81 km SSE of Pangai, Tonga
M6.2
139 km
8 km
Mar 30, 2025
72 km SSE of Pangai, Tonga
M6.2
137 km
17 km
Oct 18, 2017
103 km SE of Pangai, Tonga
M6.1
143 km
10 km
Apr 24, 2004
64 km SSE of ‘Ohonua, Tonga
M6.1
88 km
8 km
Mar 19, 2005
65 km S of Pangai, Tonga
M6.1
110 km
18 km
Apr 26, 2014
56 km NE of Kolonga, Tonga
M6.1
55 km
45 km
Feb 13, 2010
65 km SSE of ‘Ohonua, Tonga
M6.1
90 km
11 km
Jun 15, 2019
82 km ENE of ‘Ohonua, Tonga
M6.1
92 km
13 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
6 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 4.
Year
Name
Category
Max Wind
Closest
2019
Pola
Category 1
75 mph
284 km
2014
Ian
Category 4
127 mph
141 km
2006
Vaianu
Category 1
81 mph
192 km
2002
Waka
Category 3
—
250 km
2000
Mona
Category 1
81 mph
99 km
1999
Cora
Category 2
92 mph
39 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
6 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
75 km
2022
TONGA ISLANDS
Astronomical
0.4 m
—
75 km
2006
TONGA
Earthquake
0.3 m
—
143 km
2022
TONGA ISLANDS
Astronomical
0.2 m
—
75 km
1948
TONGA TRENCH
Earthquake
0.1 m
—
110 km
2025
TONGA
Earthquake
0.1 m
—
149 km
Source: NOAA/NCEI Historical Tsunami Database.
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).
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
Niutoua 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").