La Roche, New Caledonia

Full City Profile

550 Population 2/sq mi density

148 ft Elevation 45 meters

73°F Avg Temperature 23°C

La Roche has a warm climate with an average annual temperature of 73°F (23°C). Winters average 78°F in January while summers reach 68°F in July. The area gets 228 sunny days per year. Annual precipitation totals 59.7 inches. The area receives 0.0 inches of snow annually.

Temperature

78°F Jan (26°C) 68°F Jul (20°C)

Annual Average	73.2°F
	36% above US avg
January Average	78°F (26°C)
July Average	68°F (20°C)
Sunny Days	228 days/yr

Geography

Elevation	148 ft (45 m)
Area	371.2 sq mi (961.3 km²)
Population Density	2/sq mi
Coordinates	-21.4780°N, 168.0259°W
Timezone	Pacific/Noumea

Precipitation & Snow

Annual Rainfall 59.7"

57% above US avg

Snowfall 0.0"

Wettest Month (Mar) 8.74"

Driest Month (Sep) 2.56"

Air Quality

Earthquake History

873 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.0. Most recent: M0.0 on Aug 15, 2025.

Jan 13, 2011	118 km NNE of Tadine, New Caledonia	M7.0	105 km
May 10, 2011	124 km NE of Wé, New Caledonia	M6.8	139 km
Oct 31, 2017	132 km E of Tadine, New Caledonia	M6.7	119 km
Nov 1, 2017	101 km E of Tadine, New Caledonia	M6.6	88 km
Apr 4, 2007	129 km S of Isangel, Vanuatu	M6.5	138 km
Feb 15, 1994	104 km SSW of Isangel, Vanuatu	M6.5	148 km
May 19, 2019	164 km E of Tadine, New Caledonia	M6.3	150 km
Apr 4, 2007	134 km NE of Tadine, New Caledonia	M6.2	119 km
Apr 3, 2007	124 km SSW of Isangel, Vanuatu	M6.2	138 km
Nov 1, 2017	110 km E of Tadine, New Caledonia	M6.1	98 km
Apr 11, 2008	104 km SSW of Isangel, Vanuatu	M6.1	147 km
Dec 1, 1992	146 km S of Isangel, Vanuatu	M6.0	143 km
Apr 11, 2008	108 km SSW of Isangel, Vanuatu	M5.9	143 km
Oct 31, 2017	109 km E of Tadine, New Caledonia	M5.9	93 km
Sep 4, 2004	156 km ENE of Tadine, New Caledonia	M5.9	140 km
Jan 13, 2011	117 km NNE of Tadine, New Caledonia	M5.9	104 km
May 10, 2011	Loyalty Islands, New Caledonia	M5.9	140 km
Nov 1, 2017	117 km ESE of Tadine, New Caledonia	M5.9	105 km
Mar 22, 1995	127 km ENE of Tadine, New Caledonia	M5.8	111 km
Aug 10, 1990	123 km SW of Isangel, Vanuatu	M5.8	146 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

35 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5.

Year	Name	Category	Closest
2023	Kevin	Category 4	278 km
2023	Judy	Category 3	255 km
2022	Dovi	Category 1	81 km
2022	Ruby	Category 1	118 km
2021	Niran	Category 3	216 km
2018	Gita	Category 3	212 km
2018	Hola	Category 2	90 km
2017	Cook	Category 2	241 km
2017	Donna	Category 2	137 km
2016	Ula	Category 4	215 km
2015	Pam	Category 5	154 km
2012	Jasmine	Category 4	163 km
2008	Gene	Category 3	297 km
2007	Becky	Category 1	188 km
2006	Jim	Category 1	34 km
2004	Ivy	Category 3	143 km
2003	Erica	Category 4	141 km
2003	Beni	Category 3	116 km
2001	Sose	Category 1	179 km
1999	Frank	Category 2	225 km

Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

8 tsunamis recorded within 500 km. Highest wave on record: 2.0 m (7 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1997	NEW CALEDONIA	Unknown	2.0 m	—	25 km
2017	LOYALTY ISLANDS	Earthquake	0.4 m	—	69 km
2017	LOYALTY ISLANDS	Earthquake	0.2 m	—	119 km
2017	LOYALTY ISLANDS	Earthquake	0.1 m	—	88 km
2017	LOYALTY ISLANDS	Earthquake	0.1 m	—	59 km
2017	LOYALTY ISLANDS	Earthquake	0.1 m	—	69 km
2011	VANUATU ISLANDS	Earthquake	0.0 m	—	105 km
2011	LOYALTY ISLANDS	Earthquake	0.0 m	—	139 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	78°F (26°C)	7.3 in
February	79°F (26°C)	7.8 in	Warmest
March	78°F (25°C)	8.7 in	Wettest
April	75°F (24°C)	5.3 in
May	72°F (22°C)	5.0 in
June	70°F (21°C)	4.5 in
July	68°F (20°C)	3.1 in
August	68°F (20°C)	3.7 in	Coldest
September	69°F (21°C)	2.6 in	Driest
October	71°F (22°C)	2.7 in
November	74°F (23°C)	4.2 in
December	76°F (25°C)	4.9 in

La Roche has a seasonal temperature swing of 11°F / from 68°F in August to 79°F in February. Total annual precipitation is 59.7 inches, with March being the wettest month (8.7") and September the driest (2.6").

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