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Weather & Climate in Westport, New Zealand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Westport experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 62°F in January while summers reach 46°F in July / relatively mild seasonal variation. The area gets 155 sunny days per year, below the national average of 205. Annual precipitation totals 99.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 10 feet.
Temperature
62°F Jan (16°C)
46°F Jul (8°C)
| Annual Average | 54.2°F |
| 0% below US avg | |
| January Average | 62°F (16°C) |
| July Average | 46°F (8°C) |
| Sunny Days | 155 days/yr |
Geography
| Elevation | 10 ft (3 m) |
| Area | 5,555.4 sq mi (14,388.5 km²) |
| Population Density | 1/sq mi |
| Coordinates | -41.7526°N, 171.6037°W |
| Timezone | Pacific/Auckland |
Precipitation & Snow
Air Quality
Earthquake History
257 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.8.
| Jun 18, 1994 | 56 km NW of Oxford, New Zealand | M6.8 | 135 km | 14 km |
| Nov 24, 1995 | 47 km NW of Oxford, New Zealand | M6.2 | 138 km | 10 km |
| Apr 24, 2015 | 73 km S of Wakefield, New Zealand | M6.1 | 121 km | 48 km |
| Feb 10, 1990 | 90 km N of Amberley, New Zealand | M6.0 | 119 km | 10 km |
| Jan 28, 1991 | 29 km SSE of Westport, New Zealand | M5.9 | 30 km | 19 km |
| Jan 28, 1991 | 27 km SSE of Westport, New Zealand | M5.7 | 27 km | 27 km |
| Feb 10, 1990 | 90 km N of Amberley, New Zealand | M5.7 | 105 km | 10 km |
| Jan 5, 2015 | 43 km SSE of Hokitika, New Zealand | M5.6 | 148 km | 8 km |
| May 29, 1995 | South Island of New Zealand | M5.5 | 145 km | 10 km |
| Feb 15, 1991 | 38 km S of Westport, New Zealand | M5.4 | 39 km | 31 km |
| Aug 29, 1996 | 74 km N of Amberley, New Zealand | M5.2 | 126 km | 33 km |
| Feb 9, 2016 | 79 km S of Wakefield, New Zealand | M5.2 | 128 km | 54 km |
| May 4, 2002 | 66 km W of Wakefield, New Zealand | M5.2 | 67 km | 33 km |
| Feb 10, 1990 | 85 km ESE of Westport, New Zealand | M5.1 | 86 km | 10 km |
| May 3, 2011 | 4 km ESE of Richmond, New Zealand | M5.0 | 143 km | 114 km |
| Feb 24, 1991 | 40 km SSW of Westport, New Zealand | M4.9 | 41 km | 33 km |
| Feb 11, 2017 | 53 km N of Amberley, New Zealand | M4.9 | 139 km | 16 km |
| Aug 30, 2002 | 98 km N of Amberley, New Zealand | M4.8 | 109 km | 17 km |
| Dec 29, 2000 | 57 km NW of Amberley, New Zealand | M4.7 | 125 km | 33 km |
| Mar 15, 2020 | 47 km N of Amberley, New Zealand | M4.7 | 150 km | 16 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 1.5 m (5 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1913 | TASMAN SEA | Earthquake | 1.5 m | — | 10 km |
| 1869 | NEW ZEALAND | Unknown | 0.6 m | — | 120 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 62°F (16°C) | 8.6 in | |
| February | 62°F (17°C) | 6.3 in | Warmest, Driest |
| March | 60°F (16°C) | 6.6 in | |
| April | 56°F (13°C) | 10.7 in | Wettest |
| May | 51°F (11°C) | 8.9 in | |
| June | 47°F (8°C) | 8.5 in | |
| July | 46°F (8°C) | 8.0 in | Coldest |
| August | 48°F (9°C) | 6.5 in | |
| September | 51°F (10°C) | 8.0 in | |
| October | 53°F (12°C) | 9.5 in | |
| November | 56°F (13°C) | 9.1 in | |
| December | 59°F (15°C) | 9.3 in |
Westport has a seasonal temperature swing of 16°F / from 46°F in July to 62°F in February. Total annual precipitation is 99.8 inches, with April being the wettest month (10.7") and February the driest (6.3").