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Weather & Climate in Namatanai, Papua New Guinea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Namatanai has a warm climate with an average annual temperature of 79°F (26°C). Winters average 79°F in January while summers reach 79°F in July / relatively mild seasonal variation. The area gets 126 sunny days per year, below the national average of 205. Annual precipitation totals 123.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 20 feet.
Temperature
79°F Jan (26°C)
79°F Jul (26°C)
| Annual Average | 79.3°F |
| 47% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 126 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 317.6 sq mi (822.6 km²) |
| Population Density | 5/sq mi |
| Coordinates | -3.6637°N, 152.4410°W |
| Timezone | Pacific/Port_Moresby |
Precipitation & Snow
Air Quality
Earthquake History
1,673 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M8.0.
| Nov 16, 2000 | 2000 New Ireland Earthquake | M8.0 | 46 km | 33 km |
| May 14, 2019 | 48 km NE of Kokopo, Papua New Guinea | M7.6 | 46 km | 10 km |
| Mar 29, 2015 | 53 km SE of Kokopo, Papua New Guinea | M7.5 | 119 km | 41 km |
| May 16, 1999 | 51 km SSE of Kokopo, Papua New Guinea | M7.1 | 121 km | 74 km |
| Jan 19, 1999 | 110 km ESE of Kokopo, Papua New Guinea | M7.0 | 136 km | 114 km |
| Mar 11, 2003 | 114 km ESE of Kokopo, Papua New Guinea | M6.8 | 145 km | 40 km |
| Aug 31, 2016 | 90 km NE of Rabaul, Papua New Guinea | M6.8 | 39 km | 476 km |
| Mar 8, 2018 | 103 km E of Kokopo, Papua New Guinea | M6.8 | 116 km | 23 km |
| Sep 6, 1993 | 111 km ESE of Kokopo, Papua New Guinea | M6.6 | 140 km | 49 km |
| Mar 20, 2010 | New Ireland region, Papua New Guinea | M6.6 | 40 km | 415 km |
| Jul 28, 2012 | 105 km ESE of Kokopo, Papua New Guinea | M6.5 | 137 km | 41 km |
| Jul 15, 2003 | 41 km N of Rabaul, Papua New Guinea | M6.5 | 35 km | 33 km |
| Dec 6, 2000 | 52 km ENE of Kokopo, Papua New Guinea | M6.5 | 69 km | 31 km |
| Apr 23, 2013 | 33 km N of Rabaul, Papua New Guinea | M6.5 | 44 km | 10 km |
| Feb 17, 2019 | 95 km N of Rabaul, Papua New Guinea | M6.4 | 50 km | 368 km |
| Nov 23, 2000 | 91 km ESE of Kokopo, Papua New Guinea | M6.3 | 123 km | 33 km |
| Jun 21, 2016 | 91 km NNW of Rabaul, Papua New Guinea | M6.3 | 68 km | 354 km |
| Apr 1, 1999 | 48 km E of Kokopo, Papua New Guinea | M6.2 | 83 km | 33 km |
| Dec 28, 2000 | 23 km NE of Rabaul, Papua New Guinea | M6.2 | 46 km | 33 km |
| May 15, 2017 | 40 km ENE of Rabaul, Papua New Guinea | M6.2 | 40 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
13 tsunamis recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2000 | BISMARCK SEA | Earthquake | 3.0 m | 2 | 40 km |
| 1994 | PAPUA NEW GUINEA | Astronomical | 3.0 m | 4 | 69 km |
| 1937 | RABAUL | Astronomical | 2.5 m | 507 | 73 km |
| 1985 | NEW IRELAND | Eruption + Earthquake | 1.3 m | — | 96 km |
| 2015 | BISMARCK SEA | Earthquake | 0.5 m | — | 119 km |
| 1994 | RABAUL HARBOR | Eruption | 0.3 m | — | 56 km |
| 1941 | BISMARCK SEA | Earthquake | 0.2 m | 4 | 70 km |
| 1967 | BISMARCK SEA | Earthquake | 0.1 m | — | 82 km |
| 1916 | BISMARCK SEA | Earthquake | — | — | 120 km |
| 1900 | BISMARCK SEA | Earthquake | — | — | 62 km |
| 1899 | EAST COAST, NEW IRELAND | Earthquake | — | — | 89 km |
| 1878 | BISMARCK SEA | Earthquake | — | 1 | 69 km |
| 1768 | CAPE SAINT GEORGE, NEW IRELAND | Earthquake | — | — | 138 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Lihir (64 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Lihir | Compound | 700 m (2,297 ft) | Unknown | 64 km |
| Rabaul | Pyroclastic shield | 688 m (2,257 ft) | 2014 | 73 km |
| Ambitle | Stratovolcano | 450 m (1,476 ft) | -350 | 142 km |
| Lolobau | Caldera | 858 m (2,815 ft) | 1912 | 199 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 14.5 in | |
| February | 79°F (26°C) | 13.5 in | |
| March | 79°F (26°C) | 15.4 in | Wettest |
| April | 79°F (26°C) | 11.8 in | |
| May | 80°F (26°C) | 8.2 in | |
| June | 79°F (26°C) | 6.9 in | |
| July | 79°F (26°C) | 7.7 in | Coldest |
| August | 79°F (26°C) | 7.2 in | |
| September | 80°F (26°C) | 6.0 in | Driest |
| October | 80°F (27°C) | 7.6 in | |
| November | 80°F (27°C) | 9.8 in | Warmest |
| December | 80°F (26°C) | 14.6 in |
Namatanai has a seasonal temperature swing of 2°F / from 79°F in July to 80°F in November. Total annual precipitation is 123.1 inches, with March being the wettest month (15.4") and September the driest (6.0").