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Weather & Climate in West Melton, New Zealand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
West Melton experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 63°F in January while summers reach 45°F in July / relatively mild seasonal variation. The area gets 283 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 34.2 inches. The area receives 1.1 inches of snow annually. The city sits at an elevation of 315 feet.
Temperature
63°F Jan (17°C)
45°F Jul (7°C)
| Annual Average | 54.3°F |
| 1% above US avg | |
| January Average | 63°F (17°C) |
| July Average | 45°F (7°C) |
| Sunny Days | 283 days/yr |
Geography
| Elevation | 315 ft (96 m) |
| Area | 8.5 sq mi (22.1 km²) |
| Population Density | 318/sq mi |
| Coordinates | -43.5167°N, 172.3667°W |
| Timezone | Pacific/Auckland |
Precipitation & Snow
Air Quality
Earthquake History
675 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.0.
| Sep 3, 2010 | 19 km NE of Methven, New Zealand | M7.0 | 43 km | 12 km |
| Jun 18, 1994 | 56 km NW of Oxford, New Zealand | M6.8 | 84 km | 14 km |
| Nov 24, 1995 | 47 km NW of Oxford, New Zealand | M6.2 | 75 km | 10 km |
| Feb 21, 2011 | 6 km SE of Christchurch, New Zealand | M6.1 | 26 km | 6 km |
| Feb 10, 1990 | 90 km N of Amberley, New Zealand | M6.0 | 135 km | 10 km |
| Jun 19, 1994 | 40 km N of Methven, New Zealand | M6.0 | 67 km | 10 km |
| Jun 13, 2011 | 9 km ESE of Christchurch, New Zealand | M5.9 | 31 km | 6 km |
| Feb 14, 2016 | 12 km ENE of Christchurch, New Zealand | M5.8 | 33 km | 8 km |
| Feb 10, 1990 | 90 km N of Amberley, New Zealand | M5.7 | 131 km | 10 km |
| Jan 5, 2015 | 43 km SSE of Hokitika, New Zealand | M5.6 | 105 km | 8 km |
| Feb 22, 2011 | 7 km S of Christchurch, New Zealand | M5.6 | 22 km | 7 km |
| Mar 30, 1992 | 57 km NNW of Methven, New Zealand | M5.5 | 89 km | 12 km |
| Sep 19, 2023 | Canterbury, New Zealand | M5.5 | 103 km | 12 km |
| Feb 22, 2011 | 6 km SSE of Christchurch, New Zealand | M5.5 | 24 km | 6 km |
| May 29, 1995 | South Island of New Zealand | M5.5 | 87 km | 10 km |
| Jun 21, 1994 | 47 km N of Methven, New Zealand | M5.4 | 71 km | 10 km |
| Jun 21, 2011 | 1 km SSE of Prebbleton, New Zealand | M5.2 | 16 km | 8 km |
| Aug 29, 1996 | 74 km N of Amberley, New Zealand | M5.2 | 118 km | 33 km |
| Jun 13, 2011 | 10 km ESE of Christchurch, New Zealand | M5.2 | 32 km | 9 km |
| Jan 1, 2012 | 21 km ENE of Christchurch, New Zealand | M5.2 | 42 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
7 tsunamis recorded within 500 km. Highest wave on record: 6.5 m (21 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2016 | OFF EAST COAST OF SOUTH ISLAND | Earthquake | 6.5 m | 2 | 103 km |
| 1895 | PIEGON BAY | Meteorological | 5.0 m | — | 47 km |
| 1881 | PIGEON BAY (BANKS PENINSULA) | Earthquake | 3.0 m | — | 47 km |
| 1856 | S CANTERBURY PROVINCE, SOUTH ISLAND | Unknown | 1.0 m | — | 61 km |
| 1869 | NEW ZEALAND | Unknown | 0.6 m | — | 145 km |
| 1922 | SE. NEW ZEALAND | Earthquake | 0.4 m | — | 77 km |
| 1978 | OFF EAST COAST OF SOUTH ISLAND | Meteorological | — | — | 69 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 63°F (17°C) | 2.1 in | Warmest |
| February | 62°F (17°C) | 2.0 in | |
| March | 59°F (15°C) | 2.4 in | |
| April | 54°F (12°C) | 2.2 in | |
| May | 48°F (9°C) | 2.4 in | |
| June | 44°F (6°C) | 2.0 in | Coldest |
| July | 45°F (7°C) | 2.6 in | |
| August | 45°F (7°C) | 2.7 in | Wettest |
| September | 49°F (10°C) | 1.9 in | Driest |
| October | 53°F (12°C) | 2.4 in | |
| November | 57°F (14°C) | 2.1 in | |
| December | 60°F (16°C) | 2.0 in |
West Melton has a seasonal temperature swing of 20°F / from 44°F in June to 63°F in January. Total annual precipitation is 26.8 inches, with August being the wettest month (2.7") and September the driest (1.9").