Shannon, New Zealand

Full City Profile

2.1 /5.0

C Fair

1,610 Population 4/sq mi density

82 ft Elevation 25 meters

56°F Avg Temperature 14°C

Overall

2.1 / 5.0

Fair overall score based on economy, affordability, safety and education

Economy

1.9 / 5.0

$18,480 median income, 9.5% unemployment

Affordability

2.2 / 5.0

$145,600 home value, $728/mo rent

Shannon enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 65°F in January while summers reach 49°F in July. The area gets 290 sunny days per year. Annual precipitation totals 70.7 inches. The area receives 0.3 inches of snow annually.

Temperature

65°F Jan (18°C) 49°F Jul (10°C)

Annual Average	56.3°F
	4% above US avg
January Average	65°F (18°C)
July Average	49°F (10°C)
Sunny Days	290 days/yr

Geography

Elevation	82 ft (25 m)
Area	443.0 sq mi (1,147.4 km²)
Population Density	4/sq mi
Coordinates	-40.5483°N, 175.4202°W
Timezone	Pacific/Auckland

Precipitation & Snow

Annual Rainfall 70.7"

86% above US avg

Snowfall 0.3"

Wettest Month (Sep) 6.30"

Driest Month (Feb) 3.43"

Air Quality

Earthquake History

1,262 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.4. Most recent: M4.3 on Aug 30, 2025.

May 13, 1990	39 km E of Palmerston North, New Zealand	M6.4	61 km
Feb 19, 1990	41 km E of Palmerston North, New Zealand	M6.3	62 km
Jan 20, 2014	35 km NNE of Masterton, New Zealand	M6.1	36 km
Jul 20, 2013	38 km ESE of Blenheim, New Zealand	M5.9	149 km
Sep 19, 1995	15 km SW of Hawera, New Zealand	M5.8	142 km
Mar 22, 1995	27 km N of Picton, New Zealand	M5.8	130 km
Feb 15, 2023	55 km NW of Raumati Beach, New Zealand	M5.7	75 km
Apr 11, 1993	28 km WSW of Hastings, New Zealand	M5.7	131 km
May 24, 2020	29 km WNW of Foxton, New Zealand	M5.6	44 km
Sep 8, 1991	29 km WSW of Bulls, New Zealand	M5.6	46 km
Oct 4, 1990	25 km SE of Brooklyn, New Zealand	M5.6	111 km
Oct 15, 2001	21 km WSW of Hastings, New Zealand	M5.5	138 km
Mar 2, 1992	63 km N of Castlepoint, New Zealand	M5.5	83 km
Oct 6, 1990	24 km SW of Waipawa, New Zealand	M5.5	116 km
Jul 18, 2013	38 km E of Blenheim, New Zealand	M5.5	140 km
Sep 24, 2001	67 km NNE of Castlepoint, New Zealand	M5.4	96 km
Apr 25, 2023	37 km E of Dannevirke, New Zealand	M5.4	100 km
Jun 9, 1991	38 km SSW of Patea, New Zealand	M5.4	100 km
Jan 20, 2005	16 km SE of Upper Hutt, New Zealand	M5.3	77 km
Feb 18, 2003	63 km NNE of Castlepoint, New Zealand	M5.3	103 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

2 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	101 km
1855	NORTHERN ISLAND	Earthquake	11.0 m	—	86 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

4 volcanoes within 200 km. Closest: Ruapehu (142 km).

Name	Type	Elevation	Last Eruption	Distance
Ruapehu	Stratovolcano	2,797 m (9,177 ft)	2007	142 km
Tongariro	Stratovolcano(es)	1,978 m (6,490 ft)	2012	156 km
Taranaki	Stratovolcano	2,518 m (8,261 ft)	1800	180 km
Taupo	Caldera	760 m (2,493 ft)	260	199 km

Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	65°F (18°C)	3.9 in	Warmest
February	61°F (16°C)	3.4 in	Driest
March	60°F (15°C)	4.3 in
April	55°F (13°C)	3.7 in
May	50°F (10°C)	5.3 in
June	46°F (8°C)	5.1 in	Coldest
July	49°F (10°C)	5.4 in
August	46°F (8°C)	4.9 in
September	49°F (10°C)	6.3 in	Wettest
October	52°F (11°C)	4.9 in
November	55°F (13°C)	5.0 in
December	59°F (15°C)	5.1 in

Shannon has a seasonal temperature swing of 19°F / from 46°F in June to 65°F in January. Total annual precipitation is 57.3 inches, with September being the wettest month (6.3") and February the driest (3.4").

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