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Weather & Climate in Gladstone, New Zealand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gladstone enjoys a temperate climate with an average annual temperature of 56°F (14°C). Winters average 64°F in January while summers reach 48°F in July / relatively mild seasonal variation. The area gets 235 sunny days per year, above the national average. Annual precipitation totals 60.9 inches (wetter than the 38-inch national average). The area receives 1.3 inches of snow annually. The city sits at an elevation of 276 feet.
Temperature
64°F Jan (18°C)
48°F Jul (9°C)
| Annual Average | 56.3°F |
| 4% above US avg | |
| January Average | 64°F (18°C) |
| July Average | 48°F (9°C) |
| Sunny Days | 235 days/yr |
Geography
| Elevation | 276 ft (84 m) |
| Area | 1,028.7 sq mi (2,664.3 km²) |
| Population Density | 1/sq mi |
| Coordinates | -41.0833°N, 175.6500°W |
| Timezone | Pacific/Auckland |
Precipitation & Snow
Air Quality
Earthquake History
1,173 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.
| Aug 16, 2013 | 29 km SE of Blenheim, New Zealand | M6.5 | 144 km | 8 km |
| Jul 21, 2013 | 38 km ESE of Blenheim, New Zealand | M6.5 | 130 km | 17 km |
| May 13, 1990 | 39 km E of Palmerston North, New Zealand | M6.4 | 94 km | 21 km |
| Feb 19, 1990 | 41 km E of Palmerston North, New Zealand | M6.3 | 90 km | 24 km |
| Jan 20, 2014 | 35 km NNE of Masterton, New Zealand | M6.1 | 49 km | 28 km |
| Jul 20, 2013 | 38 km ESE of Blenheim, New Zealand | M5.9 | 122 km | 14 km |
| Aug 16, 2013 | 30 km ESE of Blenheim, New Zealand | M5.9 | 133 km | 14 km |
| Mar 22, 1995 | 27 km N of Picton, New Zealand | M5.8 | 137 km | 87 km |
| Feb 15, 2023 | 55 km NW of Raumati Beach, New Zealand | M5.7 | 111 km | 78 km |
| Sep 8, 1991 | 29 km WSW of Bulls, New Zealand | M5.6 | 106 km | 88 km |
| May 24, 2020 | 29 km WNW of Foxton, New Zealand | M5.6 | 98 km | 46 km |
| Oct 4, 1990 | 25 km SE of Brooklyn, New Zealand | M5.6 | 73 km | 37 km |
| Jul 18, 2013 | 38 km E of Blenheim, New Zealand | M5.5 | 116 km | 18 km |
| Mar 2, 1992 | 63 km N of Castlepoint, New Zealand | M5.5 | 103 km | 28 km |
| Oct 6, 1990 | 24 km SW of Waipawa, New Zealand | M5.5 | 62 km | 39 km |
| Aug 16, 2013 | 30 km SSE of Blenheim, New Zealand | M5.5 | 149 km | 6 km |
| Aug 16, 2013 | 25 km SSE of Blenheim, New Zealand | M5.4 | 145 km | 9 km |
| Sep 24, 2001 | 67 km NNE of Castlepoint, New Zealand | M5.4 | 110 km | 33 km |
| Apr 25, 2023 | 37 km E of Dannevirke, New Zealand | M5.4 | 118 km | 22 km |
| Jul 21, 2013 | 34 km E of Blenheim, New Zealand | M5.3 | 118 km | 13 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 15.0 m (49 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1931 | N. NEW ZEALAND | Eruption + Earthquake | 15.0 m | 261 | 149 km |
| 1855 | NORTHERN ISLAND | Earthquake | 11.0 m | — | 58 km |
| 2013 | WELLINGTON | Earthquake | 0.1 m | — | 144 km |
| 2013 | COOK STRAIT | Earthquake | 0.1 m | — | 130 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 64°F (18°C) | 2.4 in | Warmest |
| February | 64°F (18°C) | 2.1 in | Driest |
| March | 61°F (16°C) | 3.1 in | |
| April | 56°F (13°C) | 3.0 in | |
| May | 51°F (10°C) | 3.9 in | |
| June | 47°F (8°C) | 4.5 in | Coldest |
| July | 48°F (9°C) | 4.6 in | Wettest |
| August | 47°F (9°C) | 4.3 in | |
| September | 51°F (10°C) | 3.2 in | |
| October | 54°F (12°C) | 2.8 in | |
| November | 57°F (14°C) | 2.5 in | |
| December | 61°F (16°C) | 2.8 in |
Gladstone has a seasonal temperature swing of 17°F / from 47°F in June to 64°F in January. Total annual precipitation is 39.1 inches, with July being the wettest month (4.6") and February the driest (2.1").