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Weather & Climate in Ialibu, Papua New Guinea
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ialibu enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 62°F in January while summers reach 59°F in July / relatively mild seasonal variation. The area gets 107 sunny days per year, below the national average of 205. Annual precipitation totals 127.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 6,762 feet.
Temperature
62°F Jan (17°C)
59°F Jul (15°C)
| Annual Average | 61.0°F |
| 13% above US avg | |
| January Average | 62°F (17°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 107 days/yr |
Geography
| Elevation | 6,762 ft (2,061 m) |
| Area | 6,057.6 sq mi (15,689.2 km²) |
| Population Density | 1/sq mi |
| Coordinates | -6.2821°N, 143.9935°W |
| Timezone | Pacific/Port_Moresby |
Precipitation & Snow
Air Quality
Earthquake History
487 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.5.
| Feb 25, 2018 | 32 km SW of Tari, Papua New Guinea | M7.5 | 139 km | 25 km |
| Mar 3, 2000 | 62 km SSW of Ialibu, Papua New Guinea | M6.6 | 63 km | 10 km |
| Feb 26, 2018 | 59 km SW of Mendi, Papua New Guinea | M6.3 | 85 km | 19 km |
| Oct 21, 1992 | 68 km SSE of Ialibu, Papua New Guinea | M6.2 | 68 km | 19 km |
| Aug 20, 1993 | 28 km SW of Tari, Papua New Guinea | M6.2 | 142 km | 15 km |
| Feb 26, 2018 | 52 km WSW of Mendi, Papua New Guinea | M5.9 | 82 km | 9 km |
| Feb 26, 2018 | 40 km SSW of Mendi, Papua New Guinea | M5.8 | 55 km | 22 km |
| Mar 4, 2018 | 35 km SW of Tari, Papua New Guinea | M5.7 | 143 km | 6 km |
| Feb 27, 2018 | 62 km S of Tari, Papua New Guinea | M5.7 | 107 km | 12 km |
| Dec 8, 2012 | 102 km S of Ialibu, Papua New Guinea | M5.6 | 103 km | 10 km |
| Jul 28, 2014 | 71 km S of Ialibu, Papua New Guinea | M5.6 | 72 km | 10 km |
| Apr 7, 2018 | 64 km SSW of Tari, Papua New Guinea | M5.5 | 147 km | 10 km |
| Feb 2, 2005 | 78 km SSW of Kundiawa, Papua New Guinea | M5.4 | 82 km | 14 km |
| Feb 26, 2018 | 33 km SW of Tari, Papua New Guinea | M5.4 | 145 km | 20 km |
| Feb 25, 2018 | 54 km WSW of Mendi, Papua New Guinea | M5.4 | 88 km | 10 km |
| Jun 29, 2018 | 26 km WSW of Tari, Papua New Guinea | M5.4 | 144 km | 19 km |
| Mar 10, 2000 | 57 km SSW of Ialibu, Papua New Guinea | M5.4 | 58 km | 10 km |
| Jun 1, 2004 | 85 km SSW of Ialibu, Papua New Guinea | M5.4 | 85 km | 335 km |
| Jan 13, 2013 | 101 km S of Ialibu, Papua New Guinea | M5.4 | 103 km | 10 km |
| Feb 25, 2018 | 64 km WSW of Mendi, Papua New Guinea | M5.4 | 96 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 15.0 m (49 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1999 | KASU CONE | Meteorological | 15.0 m | 1 | 65 km |
| 1922 | BISMARCK SEA | Earthquake | 1.8 m | — | 105 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 62°F (17°C) | 12.2 in | |
| February | 62°F (17°C) | 12.3 in | Warmest |
| March | 62°F (17°C) | 13.9 in | Wettest |
| April | 62°F (16°C) | 10.9 in | |
| May | 62°F (17°C) | 9.1 in | |
| June | 60°F (16°C) | 7.4 in | Driest |
| July | 59°F (15°C) | 8.2 in | Coldest |
| August | 60°F (16°C) | 8.7 in | |
| September | 60°F (16°C) | 10.7 in | |
| October | 61°F (16°C) | 11.1 in | |
| November | 61°F (16°C) | 10.1 in | |
| December | 62°F (16°C) | 12.6 in |
Ialibu has a seasonal temperature swing of 3°F / from 59°F in July to 62°F in February. Total annual precipitation is 127.1 inches, with March being the wettest month (13.9") and June the driest (7.4").