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Weather & Climate in Gladstone, New Zealand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gladstone experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 61°F in January while summers reach 45°F in July / relatively mild seasonal variation. The area gets 271 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 46.4 inches (wetter than the 38-inch national average). The area receives 3.0 inches of snow annually. The city sits at an elevation of 10 feet.
Temperature
61°F Jan (16°C)
45°F Jul (7°C)
| Annual Average | 51.8°F |
| 4% below US avg | |
| January Average | 61°F (16°C) |
| July Average | 45°F (7°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 10 ft (3 m) |
| Area | 225.8 sq mi (584.7 km²) |
| Population Density | 11/sq mi |
| Coordinates | -46.3884°N, 168.3501°W |
| Timezone | Pacific/Auckland |
Precipitation & Snow
Air Quality
Earthquake History
91 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.6.
| Sep 30, 2003 | 53 km W of Te Anau, New Zealand | M5.6 | 142 km | 10 km |
| Jul 12, 2008 | 85 km WSW of Te Anau, New Zealand | M5.1 | 136 km | 101 km |
| Aug 21, 2003 | 25 km NNW of Te Anau, New Zealand | M5.1 | 144 km | 12 km |
| Feb 28, 2010 | 48 km WSW of Te Anau, New Zealand | M5.1 | 127 km | 33 km |
| Apr 25, 2000 | 35 km WNW of Te Anau, New Zealand | M5.0 | 142 km | 91 km |
| Aug 30, 2009 | 80 km WSW of Te Anau, New Zealand | M4.9 | 149 km | 12 km |
| Jul 15, 2009 | 54 km WSW of Te Anau, New Zealand | M4.9 | 140 km | 65 km |
| Jul 15, 2009 | 77 km SW of Te Anau, New Zealand | M4.9 | 118 km | 5 km |
| Feb 21, 2007 | 38 km WNW of Te Anau, New Zealand | M4.8 | 147 km | 118 km |
| Jul 15, 2009 | 82 km WNW of Riverton, New Zealand | M4.8 | 108 km | 12 km |
| May 11, 2012 | 61 km WNW of Riverton, New Zealand | M4.7 | 87 km | 12 km |
| Jul 20, 2011 | 77 km WSW of Te Anau, New Zealand | M4.7 | 143 km | 5 km |
| May 28, 2011 | 55 km WSW of Te Anau, New Zealand | M4.7 | 135 km | 64 km |
| Apr 25, 2005 | 81 km SW of Te Anau, New Zealand | M4.7 | 117 km | 92 km |
| Jan 13, 2015 | 49 km WSW of Te Anau, New Zealand | M4.7 | 133 km | 89 km |
| Aug 25, 2009 | 122 km W of Riverton, New Zealand | M4.6 | 148 km | 12 km |
| Jul 15, 2009 | 95 km WSW of Te Anau, New Zealand | M4.6 | 148 km | 5 km |
| Sep 30, 1991 | 32 km WNW of Te Anau, New Zealand | M4.6 | 142 km | 149 km |
| Apr 14, 2009 | 29 km NW of Riverton, New Zealand | M4.5 | 52 km | 5 km |
| Jul 30, 2009 | 89 km WSW of Te Anau, New Zealand | M4.5 | 148 km | 12 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 |
| 1987 | DEEP COVE | Meteorological | — | — | 139 km |
| 1839 | WAIKAWA, SOUTHLAND | Unknown | — | — | 65 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 61°F (16°C) | 3.7 in | Warmest |
| February | 58°F (14°C) | 2.6 in | |
| March | 56°F (13°C) | 3.7 in | |
| April | 52°F (11°C) | 3.4 in | |
| May | 47°F (8°C) | 4.3 in | Wettest |
| June | 43°F (6°C) | 3.7 in | Coldest |
| July | 45°F (7°C) | 2.8 in | |
| August | 44°F (7°C) | 2.4 in | Driest |
| September | 48°F (9°C) | 3.0 in | |
| October | 51°F (10°C) | 3.5 in | |
| November | 53°F (12°C) | 2.8 in | |
| December | 56°F (14°C) | 3.9 in |
Gladstone has a seasonal temperature swing of 18°F / from 43°F in June to 61°F in January. Total annual precipitation is 39.6 inches, with May being the wettest month (4.3") and August the driest (2.4").