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Weather & Climate in Cromwell, New Zealand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cromwell experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 59°F in January while summers reach 35°F in July / relatively mild seasonal variation. The area gets 276 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 32.9 inches. The area receives 3.5 inches of snow annually. The city sits at an elevation of 696 feet.
Temperature
59°F Jan (15°C)
35°F Jul (2°C)
| Annual Average | 48.0°F |
| 11% below US avg | |
| January Average | 59°F (15°C) |
| July Average | 35°F (2°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 696 ft (212 m) |
| Area | 2,218.9 sq mi (5,747.0 km²) |
| Population Density | 2/sq mi |
| Coordinates | -45.0384°N, 169.2001°W |
| Timezone | Pacific/Auckland |
Precipitation & Snow
Air Quality
Earthquake History
269 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| Dec 7, 2001 | 59 km NNW of Wanaka, New Zealand | M5.8 | 96 km | 10 km |
| Jun 24, 2020 | 87 km NNW of Te Anau, New Zealand | M5.6 | 143 km | 11 km |
| May 4, 2015 | 28 km NW of Wanaka, New Zealand | M5.6 | 63 km | 10 km |
| May 2, 2005 | 83 km N of Wanaka, New Zealand | M5.4 | 122 km | 13 km |
| Feb 24, 2002 | 79 km NW of Wanaka, New Zealand | M5.4 | 114 km | 12 km |
| Oct 20, 1998 | 104 km NNE of Wanaka, New Zealand | M5.4 | 139 km | 10 km |
| Aug 12, 2019 | 80 km NW of Queenstown, New Zealand | M5.4 | 116 km | 10 km |
| Nov 29, 1991 | 97 km NW of Queenstown, New Zealand | M5.3 | 130 km | 10 km |
| Jun 12, 2011 | 86 km NW of Arrowtown, New Zealand | M5.2 | 116 km | 5 km |
| Jul 10, 1990 | South Island of New Zealand | M5.2 | 128 km | 10 km |
| Jul 6, 2015 | 56 km NE of Wanaka, New Zealand | M5.1 | 82 km | 10 km |
| Aug 21, 2003 | 25 km NNW of Te Anau, New Zealand | M5.1 | 130 km | 12 km |
| Feb 28, 1996 | 48 km N of Te Anau, New Zealand | M5.1 | 121 km | 118 km |
| Apr 26, 2020 | 56 km NNW of Te Anau, New Zealand | M5.0 | 131 km | 78 km |
| May 2, 2005 | 85 km N of Wanaka, New Zealand | M5.0 | 123 km | 14 km |
| Jun 10, 2011 | 85 km NW of Wanaka, New Zealand | M4.9 | 117 km | 5 km |
| Aug 5, 1999 | 89 km NW of Queenstown, New Zealand | M4.9 | 127 km | 33 km |
| Apr 2, 2005 | 67 km ENE of Wanaka, New Zealand | M4.9 | 91 km | 12 km |
| Jul 31, 2011 | 45 km NW of Te Anau, New Zealand | M4.9 | 148 km | 100 km |
| Jan 30, 2017 | 72 km NNW of Wanaka, New Zealand | M4.9 | 108 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2002 | ALBERT TOWN | Meteorological | — | — | 38 km |
| 1886 | JACKSON BAY, SOUTH ISLAND | Meteorological | — | — | 129 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 59°F (15°C) | 2.8 in | Warmest |
| February | 59°F (15°C) | 1.6 in | Driest |
| March | 55°F (13°C) | 2.8 in | |
| April | 49°F (9°C) | 2.4 in | |
| May | 42°F (5°C) | 3.0 in | |
| June | 36°F (2°C) | 3.0 in | |
| July | 35°F (2°C) | 3.5 in | Coldest, Wettest |
| August | 39°F (4°C) | 2.5 in | |
| September | 44°F (7°C) | 2.6 in | |
| October | 49°F (9°C) | 3.3 in | |
| November | 53°F (11°C) | 2.3 in | |
| December | 57°F (14°C) | 3.2 in |
Cromwell has a seasonal temperature swing of 24°F / from 35°F in July to 59°F in January. Total annual precipitation is 32.9 inches, with July being the wettest month (3.5") and February the driest (1.6").