Blenheim, New Zealand

Marlborough · New Zealand

Blenheim is a small city in Marlborough, New Zealand with a population of 28,200. Elevation: 30 ft (9 m). Average temperature: 56°F (13°C).

Population source: Wikidata (dated census and official estimates), GeoNames. Climate: WorldClim 2.1 normals (1970-2000), NASA POWER. Updated August 2026

28,200 Population 703/sq mi density
30 ft Elevation 9 meters
56°F Avg Temperature 13°C
29.5 in Annual Rain
Pacific / Auckland Timezone

Discover Blenheim, New Zealand

Explore over 40 sections covering people, economy, housing, health, crime, climate, community, costs, trends, schools, colleges, hospitals, treatment centers, industries, museums, libraries, breweries, farmers markets, grocery stores, pharmacies, campgrounds, parks, trails, stadiums, ski resorts, daycare centers, nursing homes, churches, fire stations, cell towers, bridges, power plants, EV stations, prisons, radio stations, airports, police stations, post offices, Amtrak stations, superfund sites, UNESCO sites, and more.
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Full City Profile

People

Population28,200
Density703/mi²

Climate

Avg Temp56°F (13°C)
Rain29.5 in/yr
Elevation30 ft (9 m)
Population28,200
Population Density703 / sq mi
Elevation30 ft (9 m)
Coordinates-41.5160°, 173.9528°
TimezonePacific/Auckland
Country🇳🇿 New Zealand
State / ProvinceMarlborough
Average Temperature56°F (13°C)
January Average63°F (17°C)
July Average47°F (8°C)
Annual Precipitation29.5 inches (749 mm)
Annual Snowfall0.7 inches (2 cm)

About Blenheim

Blenheim is a small city in New Zealand (Marlborough) with a population of 28,200. The city sits at an elevation of 30 feet (9 meters) above sea level. The average annual temperature is 56°F (13°C). Temperatures range from 63°F in January to 47°F in July. Annual precipitation averages 29.5 inches. The timezone is Pacific/Auckland.

Climate in Blenheim

Blenheim has an average annual temperature of 11.2°C (52°F). The hottest month is Jan (16.8°C), the coldest is Jul (6.5°C). Average annual precipitation is 1001 mm.

Month Avg °C / °F Min / Max °C Rain (mm)
Jan 16.8°C / 62°F 8° / 27.9° 33.4
Feb 16.2°C / 61°F 7° / 26.5° 75.1
Mar 14.1°C / 57°F 5.5° / 24° 69.0
Apr 11.7°C / 53°F 3.3° / 19.9° 64.0
May 9.5°C / 49°F 1.8° / 17.7° 92.1
Jun 7.5°C / 46°F 0.9° / 14.3° 99.9
Jul 6.5°C / 44°F 0° / 13.2° 131.0
Aug 6.8°C / 44°F -0.7° / 14.2° 104.6
Sep 8.2°C / 47°F 0° / 16.1° 84.9
Oct 10.1°C / 50°F 1.1° / 18.6° 71.2
Nov 12.5°C / 54°F 4.3° / 21.4° 82.3
Dec 14.6°C / 58°F 6.1° / 23.4° 93.9
Blenheim enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 63°F in January while summers reach 47°F in July / relatively mild seasonal variation. Annual precipitation totals 29.5 inches (drier than the 38-inch national average). The city sits at an elevation of 30 feet, near sea level.

Temperature

63°F Jan (17°C) 47°F Jul (8°C)
Annual Average55.6°F
3% above New Zealand avg
January Average63°F (17°C)
July Average47°F (8°C)

Geography

Elevation30 ft (9 m)
Area40.1 sq mi (103.9 km²)
Population Density703/sq mi
Coordinates41.5160°S, 173.9528°E
TimezonePacific/Auckland

Precipitation & Snow

Annual Rainfall 29.5"
22% below New Zealand avg
Snowfall 0.7"
Wettest Month (Aug) 3.70"
Driest Month (Feb) 2.13"

Air Quality

Earthquake History

1,157 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.5. Most recent: M4.3 on Aug 30, 2025.

Jul 21, 2013 38 km ESE of Blenheim, New Zealand M6.5 38 km
Aug 16, 2013 29 km SE of Blenheim, New Zealand M6.5 29 km
Apr 24, 2015 73 km S of Wakefield, New Zealand M6.1 99 km
May 27, 1992 21 km WSW of Blenheim, New Zealand M6.0 22 km
Feb 10, 1990 90 km N of Amberley, New Zealand M6.0 133 km
Jul 20, 2013 38 km ESE of Blenheim, New Zealand M5.9 39 km
Aug 16, 2013 26 km SSE of Blenheim, New Zealand M5.9 26 km
Aug 16, 2013 30 km ESE of Blenheim, New Zealand M5.9 31 km
Mar 22, 1995 27 km N of Picton, New Zealand M5.8 53 km
Feb 15, 2023 55 km NW of Raumati Beach, New Zealand M5.7 118 km
Feb 10, 1990 90 km N of Amberley, New Zealand M5.7 145 km
Oct 4, 1990 25 km SE of Brooklyn, New Zealand M5.6 84 km
Jul 18, 2013 38 km E of Blenheim, New Zealand M5.5 38 km
Oct 6, 1990 24 km SW of Waipawa, New Zealand M5.5 116 km
Aug 16, 2013 30 km SSE of Blenheim, New Zealand M5.5 31 km
Aug 16, 2013 25 km SSE of Blenheim, New Zealand M5.4 25 km
Jan 5, 2017 36 km SSE of Blenheim, New Zealand M5.4 37 km
Jan 20, 2005 16 km SE of Upper Hutt, New Zealand M5.3 110 km
Jul 21, 2013 34 km E of Blenheim, New Zealand M5.3 35 km
Aug 17, 2013 29 km SSE of Blenheim, New Zealand M5.2 29 km
Source: USGS (M2.5+, 1990-2025)

Tsunami History

4 tsunamis recorded within 500 km. Highest wave on record: 11.0 m (36 ft).

Year Location Cause Max Wave Deaths Distance
1855 NORTHERN ISLAND Earthquake 11.0 m - 92 km
2013 WELLINGTON Earthquake 0.1 m - 29 km
2013 COOK STRAIT Earthquake 0.1 m - 38 km
1855 WHARANUI Earthquake - - 47 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 63°F (17°C) 3.1 in Warmest
February 63°F (17°C) 2.1 in Driest
March 60°F (16°C) 3.4 in
April 55°F (13°C) 2.8 in
May 50°F (10°C) 3.4 in
June 45°F (7°C) 2.8 in Coldest
July 47°F (8°C) 3.4 in
August 46°F (8°C) 3.7 in Wettest
September 50°F (10°C) 3.0 in
October 53°F (12°C) 3.6 in
November 57°F (14°C) 3.4 in
December 60°F (16°C) 3.3 in

Blenheim has a seasonal temperature swing of 18°F / from 45°F in June to 63°F in January. Total annual precipitation is 38.1 inches, with August being the wettest month (3.7") and February the driest (2.1").

View full weather details →

Colleges & Universities in Blenheim

Institution Type Founded Website
Nelson Marlborough Institute of Technology [NMIT] University - Visit →
Outward Bound School College - ,

Schools in Blenheim

5 public schools (OpenStreetMap data).

School Level Enrollment Teachers Student/Teacher
Marlborough Boys' College - - - -
Riverlands School - - - -
Saint Mary's School - - - -
Blenheim School - - - -
Whitney Street School - - - -
View full schools details →

Museums in Blenheim

NameTypeAddressPhoneAnnual Revenue
Brayshaw Park
Edwin Fox Maritime Museum
Havelock Heritage Museum
Marlborough Museum
Omaka Aviation Heritage Centre
Omaka Classic Cars
Picton Heritage and Whaling Museum
The Garrison Society - RNZAF Station Omaka

Libraries in Blenheim

NameAddressStaffAnnual VisitsCirculationCollectionPrograms
Marlborough Library0.0
Picton Library and Service Centre0.0

Farmers Markets in Blenheim

NameAddressSeasonHoursOrganicWebsite
Marlborough Farmers' Market

Hotels in Blenheim

5 hotels within city radius - OpenStreetMap data

14th Lane
Chateau Marlborough
Hotel d'Urville
Scenic Hotel Marlborough
The Marlborough Riverside Hotel

Restaurants in Blenheim

11 restaurants within city radius - OpenStreetMap data

Dolche
Frank's Oyster Bar And Eatery
Mango Indian & Malaysian Restaurant
Pizza Hut
Poppy Thai
Quench
Raupō
Restaurant Sasa
The Bamboo Garden
The Taylor Restaurant
Village India

Cafes in Blenheim

2 cafes within city radius - OpenStreetMap data

The Wine Station
Watery Mouth Cafe

Cinemas in Blenheim

1 cinemas within city radius - OpenStreetMap data

Top Town Cinema

Theatres in Blenheim

3 theatres within city radius - OpenStreetMap data

ASB Theatre Marlborough
Boathouse Theatre
The Marlborough Center

Monuments in Blenheim

1 monuments within city radius - OpenStreetMap data

The Clock Tower

Dentists in Blenheim

2 dentists within city radius - OpenStreetMap data

Lumino Seymour Smiles
NZ #664387423

Veterinaries in Blenheim

1 veterinaries within city radius - OpenStreetMap data

NZ #232115510

Train Stations in Blenheim

3 train stations within city radius - OpenStreetMap data

Beaver Station
Chinaman's Creek Crossing
Fulton Station

Gas Stations in Blenheim

4 gas stations within city radius - OpenStreetMap data

BP
Caltex
McKeown CardFuel 24/7
Mobil

Banks in Blenheim

7 banks within city radius - OpenStreetMap data

ANZ
ASB Bank
Bank of New Zealand
Kiwibank
SBS Bank
The Cooperative Bank
Westpac

Breweries in Blenheim

NameTypeAddressPhoneWebsite
Moa Brewing Company

Airports Near Blenheim

6 airports within the area.

AirportIATAType
Nelson AirportNSNMedium Airport
Woodbourne AirportBHEMedium Airport
Cape Campbell airstrip-Small Airport
Molesworth Airport-Small Airport
Omaka Blenheim Airport-Small Airport
Picton AerodromePCNSmall Airport

Churches & Religious Organizations in Blenheim

9 religious organizations (IRS tax-exempt data).

NameAddress
Blenheim Methodist Parish
Blenheim Samoan Assembly of God
Blenheim Seventh-Day Adventist Church
Connect Blenheim Church
Nativity Anglican Church
Riverside Christian Centre
St Andrew's
St Mary's Parish
The Salvation Army Blenheim

Quick Facts

Timezone
Pacific/Auckland

🇳🇿 About New Zealand

Capital Wellington
Population 4,885,500
Area 268,680 km²
GDP (USD) $255,194,972,673
GDP per capita $49,076
HDI 0.939
Life expectancy 83.0 years
Internet users 96.2%
Urban population 83.9%
Currency NZD (Dollar)
Languages English, Māori, New Zealand Sign Language
Calling code +64
TLD .nz
Driving side left

Public Holidays in New Zealand

23 public holidays this year

Date Holiday Local Name
Jan 1 New Year's Day New Year's Day
Jan 2 Day after New Year's Day Day after New Year's Day
Jan 19 Wellington Anniversary Day Wellington Anniversary Day
Jan 26 Auckland Anniversary Day Auckland/Northland Anniversary Day
Feb 2 Nelson Anniversary Day Nelson Anniversary Day
Feb 6 Waitangi Day Waitangi Day
Mar 9 Taranaki Anniversary Day Taranaki Anniversary Day
Mar 23 Otago Anniversary Day Otago Anniversary Day
Apr 3 Good Friday Good Friday
Apr 6 Easter Monday Easter Monday
Apr 7 Southland Anniversary Day Southland Anniversary Day
Apr 27 Anzac Day Anzac Day
Jun 1 King's Birthday King's Birthday
Jul 10 Matariki Matariki
Sep 28 Canterbury (South) Anniversary Day Dominion Day
Oct 23 Hawke's Bay Anniversary Day Hawke's Bay Anniversary Day
Oct 26 Labour Day Labour Day
Nov 2 Marlborough Anniversary Day Marlborough Anniversary Day
Nov 13 Canterbury Anniversary Day Canterbury (North & Central) Anniversary Day
Nov 30 Chatham Islands Anniversary Day Chatham Islands Anniversary Day
Nov 30 Westland Anniversary Day Westland Anniversary Day
Dec 25 Christmas Day Christmas Day
Dec 28 Boxing Day Boxing Day

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Frequently Asked Questions About Blenheim

What is the population of Blenheim?

Blenheim has a population of 28,200 residents and is located in New Zealand. The population density is 703 people per square mile, spread across 40.1 square miles.

What is the weather like in Blenheim?

Blenheim enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winter temperatures average 63°F in January, while summers reach an average of 47°F in July. Annual rainfall totals 29.5 inches.

Nearby Cities

Redwoodtown, F4 11,210 pop · 0.9 mi Witherlea, F4 6,060 pop · 0.9 mi Springlands, F4 6,200 pop · 1.0 mi Mayfield, F4 1,870 pop · 1.2 mi Rapaura, F4 1,212 pop · 4.4 mi Renwick, F4 2,530 pop · 6.3 mi Picton, F4 4,730 pop · 15.8 mi Waikawa, F4 1,720 pop · 18.0 mi Marybank, F5 1,100 pop · 38.3 mi Atawhai, F5 2,920 pop · 38.3 mi Nelson, F5 51,100 pop · 38.6 mi Nelson South, F5 2,690 pop · 38.6 mi Bishopdale, F5 2,630 pop · 38.8 mi Enner Glynn, F5 3,110 pop · 39.0 mi
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