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Weather & Climate in Helensville, New Zealand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Helensville enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 67°F in January while summers reach 54°F in July / relatively mild seasonal variation. The area gets 295 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 67.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 49 feet.
Temperature
67°F Jan (20°C)
54°F Jul (12°C)
| Annual Average | 59.9°F |
| 11% above US avg | |
| January Average | 67°F (20°C) |
| July Average | 54°F (12°C) |
| Sunny Days | 295 days/yr |
Geography
| Elevation | 49 ft (15 m) |
| Area | 4,054.4 sq mi (10,500.8 km²) |
| Population Density | 1/sq mi |
| Coordinates | -36.6782°N, 174.4502°W |
| Timezone | Pacific/Auckland |
Precipitation & Snow
Air Quality
Earthquake History
14 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| May 17, 1999 | 39 km WSW of Raglan, New Zealand | M4.5 | 141 km | 33 km |
| Feb 21, 2007 | 30 km NE of Murrays Bay, New Zealand | M4.5 | 53 km | 15 km |
| Aug 25, 1997 | 22 km NW of Matamata, New Zealand | M4.3 | 149 km | 10 km |
| Mar 13, 2007 | 26 km NNW of Coromandel, New Zealand | M4.0 | 84 km | 398 km |
| Feb 20, 2011 | 9 km NNE of Waihi, New Zealand | M4.0 | 146 km | 222 km |
| Jun 21, 1993 | 24 km SW of Paeroa, New Zealand | M3.9 | 132 km | 5 km |
| Feb 3, 2007 | 54 km W of Raglan, New Zealand | M3.8 | 128 km | 12 km |
| Feb 21, 2007 | 31 km NE of Murrays Bay, New Zealand | M3.8 | 54 km | 7 km |
| Jun 23, 1993 | 26 km SW of Paeroa, New Zealand | M3.8 | 132 km | 7 km |
| Jun 17, 1993 | 24 km SW of Paeroa, New Zealand | M3.8 | 134 km | 10 km |
| Jul 8, 2005 | 16 km SSW of Waihi, New Zealand | M3.8 | 146 km | 5 km |
| Jun 1, 2002 | 51 km WSW of Raglan, New Zealand | M3.7 | 143 km | 12 km |
| Jul 2, 2005 | 15 km WNW of Katikati, New Zealand | M3.7 | 149 km | 4 km |
| Jul 1, 2011 | 5 km NNW of Tamaki, New Zealand | M2.9 | 39 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Auckland Volcanic Field (45 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Auckland Volcanic Field | Volcanic field | 260 m (853 ft) | 1350 | 45 km |
| Whangarei | Pyroclastic cone(s) | 397 m (1,302 ft) | Unknown | 105 km |
| Kaikohe-Bay of Islands | Volcanic field | 388 m (1,273 ft) | 400 | 161 km |
| Mayor Island | Shield | 355 m (1,165 ft) | -5060 | 173 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 67°F (20°C) | 3.4 in | Warmest |
| February | 66°F (19°C) | 3.4 in | Driest |
| March | 64°F (18°C) | 3.9 in | |
| April | 60°F (16°C) | 4.4 in | |
| May | 56°F (13°C) | 4.5 in | |
| June | 52°F (11°C) | 5.8 in | Wettest |
| July | 54°F (12°C) | 5.4 in | |
| August | 52°F (11°C) | 5.4 in | Coldest |
| September | 54°F (12°C) | 4.6 in | |
| October | 57°F (14°C) | 3.7 in | |
| November | 60°F (15°C) | 3.7 in | |
| December | 63°F (17°C) | 3.5 in |
Helensville has a seasonal temperature swing of 15°F / from 52°F in August to 67°F in January. Total annual precipitation is 51.6 inches, with June being the wettest month (5.8") and February the driest (3.4").