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Weather & Climate in Gizo, Solomon Islands
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gizo has a warm climate with an average annual temperature of 80°F (27°C). Winters average 80°F in January while summers reach 78°F in July / relatively mild seasonal variation. The area gets 98 sunny days per year, below the national average of 205. Annual precipitation totals 135.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 20 feet.
Temperature
80°F Jan (27°C)
78°F Jul (26°C)
| Annual Average | 79.7°F |
| 48% above US avg | |
| January Average | 80°F (27°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 98 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Coordinates | -8.1030°N, 156.8419°W |
| Timezone | Pacific/Guadalcanal |
Precipitation & Snow
Air Quality
Earthquake History
956 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M8.1.
| Apr 1, 2007 | 2007 Solomon Islands Earthquake | M8.1 | 46 km | 24 km |
| Jan 3, 2010 | 94 km SE of Gizo, Solomon Islands | M7.1 | 94 km | 10 km |
| Jan 5, 2010 | 127 km SE of Gizo, Solomon Islands | M6.8 | 128 km | 15 km |
| Apr 19, 2001 | 128 km SSE of Panguna, Papua New Guinea | M6.7 | 132 km | 17 km |
| Jan 3, 2010 | 98 km SE of Gizo, Solomon Islands | M6.6 | 99 km | 10 km |
| Apr 4, 2007 | 54 km NW of Gizo, Solomon Islands | M6.4 | 54 km | 17 km |
| Mar 19, 2003 | 144 km S of Gizo, Solomon Islands | M6.2 | 146 km | 34 km |
| Jan 26, 2019 | 116 km SE of Kieta, Papua New Guinea | M6.2 | 135 km | 355 km |
| Jan 9, 2010 | 142 km SE of Gizo, Solomon Islands | M6.2 | 143 km | 12 km |
| Sep 6, 1996 | 118 km SSE of Panguna, Papua New Guinea | M6.2 | 137 km | 33 km |
| Apr 2, 2007 | 108 km SE of Gizo, Solomon Islands | M6.2 | 109 km | 14 km |
| Apr 19, 2001 | 121 km SSE of Panguna, Papua New Guinea | M6.2 | 131 km | 20 km |
| Apr 2, 2007 | 82 km SE of Gizo, Solomon Islands | M6.2 | 83 km | 18 km |
| Apr 3, 2007 | 117 km WNW of Gizo, Solomon Islands | M6.1 | 118 km | 8 km |
| Mar 4, 2017 | 115 km SSE of Panguna, Papua New Guinea | M6.1 | 148 km | 17 km |
| Jun 3, 1996 | 134 km SSE of Gizo, Solomon Islands | M6.1 | 136 km | 33 km |
| Apr 2, 2007 | 117 km NW of Gizo, Solomon Islands | M6.1 | 118 km | 34 km |
| Jun 3, 1996 | Solomon Islands | M6.0 | 139 km | 33 km |
| Apr 19, 2001 | 126 km NW of Gizo, Solomon Islands | M6.0 | 127 km | 12 km |
| Jun 3, 1996 | Solomon Islands | M6.0 | 142 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
6 tsunamis recorded within 500 km. Highest wave on record: 12.1 m (40 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2007 | SOLOMON ISLANDS | Earthquake | 12.1 m | 52 | 46 km |
| 2010 | SOLOMON ISLANDS | Earthquake | 7.5 m | — | 95 km |
| 1974 | SOLOMON ISLANDS | Earthquake | 1.5 m | — | 124 km |
| 1959 | SOLOMON ISLANDS | Earthquake | 1.0 m | — | 114 km |
| 2010 | SOLOMON ISLANDS | Earthquake | 0.0 m | — | 128 km |
| 2010 | SOLOMON ISLANDS | Earthquake | 0.0 m | — | 100 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Simbo (41 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Simbo | Stratovolcano(es) | 335 m (1,099 ft) | 1910 | 41 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (27°C) | 14.9 in | Wettest |
| February | 80°F (27°C) | 13.0 in | |
| March | 80°F (27°C) | 14.9 in | |
| April | 80°F (27°C) | 10.8 in | |
| May | 80°F (27°C) | 10.0 in | |
| June | 79°F (26°C) | 9.1 in | Driest |
| July | 78°F (26°C) | 12.2 in | Coldest |
| August | 79°F (26°C) | 10.3 in | |
| September | 79°F (26°C) | 10.7 in | |
| October | 80°F (26°C) | 10.1 in | |
| November | 80°F (27°C) | 9.3 in | |
| December | 81°F (27°C) | 10.6 in | Warmest |
Gizo has a seasonal temperature swing of 2°F / from 78°F in July to 81°F in December. Total annual precipitation is 135.9 inches, with January being the wettest month (14.9") and June the driest (9.1").