Oued Rhiou, Algeria

Full City Profile

55,430 Population 1,215/sq mi density

318 ft Elevation 97 meters

65°F Avg Temperature 18°C

Oued Rhiou enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 50°F in January while summers reach 82°F in July. The area gets 306 sunny days per year. Annual precipitation totals 16.4 inches. The area receives 0.0 inches of snow annually.

Temperature

50°F Jan (10°C) 82°F Jul (28°C)

Annual Average	64.5°F
	19% above US avg
January Average	50°F (10°C)
July Average	82°F (28°C)
Sunny Days	306 days/yr

Geography

Elevation	318 ft (97 m)
Area	45.6 sq mi (118.2 km²)
Population Density	1,215/sq mi
Coordinates	35.9612°N, 0.9190°W
Timezone	Africa/Algiers

Precipitation & Snow

Annual Rainfall 16.4"

57% below US avg

Snowfall 0.0"

Wettest Month (Nov) 2.64"

Driest Month (Jul) 0.04"

Air Quality

Earthquake History

240 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.9. Most recent: M4.6 on Feb 14, 2024.

Aug 18, 1994	8 km E of Sig, Algeria	M5.9	105 km
Jun 6, 2008	17 km NNE of Mers el Kebir, Algeria	M5.5	142 km
Jul 20, 2005	68 km NW of Abou el Hassan, Algeria	M5.0	103 km
May 22, 2014	21 km SE of Mostaganem, Algeria	M4.8	64 km
Jan 17, 2009	10 km NNW of El Abadia, Algeria	M4.8	77 km
Apr 23, 2018	10 km NNW of Mostaganem, Algeria	M4.7	79 km
Jul 14, 1997	9 km NNE of Ammi Moussa, Algeria	M4.7	22 km
Jan 19, 1992	8 km E of El Abadia, Algeria	M4.7	85 km
Jun 26, 2022	14 km NW of Aïn el Bya, Algeria	M4.6	118 km
Jun 18, 2008	9 km NE of ’Aïn Merane, Algeria	M4.6	31 km
Jan 9, 2008	6 km SE of Es Senia, Algeria	M4.6	140 km
Feb 14, 2024	23 km N of Mascara, Algeria	M4.6	83 km
Apr 25, 2012	25 km N of El Abadia, Algeria	M4.6	88 km
Jul 23, 2006	11 km NNE of Relizane, Algeria	M4.5	31 km
Jun 6, 2008	13 km NNE of Mers el Kebir, Algeria	M4.5	140 km
Aug 18, 1994	7 km E of Sig, Algeria	M4.5	104 km
Dec 10, 1998	11 km SE of Sig, Algeria	M4.5	107 km
Nov 2, 2009	6 km E of El Abadia, Algeria	M4.4	83 km
Jul 16, 2022	60 km NNW of Mostaganem, Algeria	M4.4	109 km
Jul 31, 2021	5 km NNW of El Abadia, Algeria	M4.4	78 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

4 tsunamis recorded within 500 km. Highest wave on record: 1.8 m (6 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1790	ORAN	Earthquake	1.8 m	3,000	140 km
1980	EL ASNAM	Eruption + Earthquake	0.7 m	5,000	49 km
1954	SEA OF ALBORAN	Eruption + Earthquake	0.3 m	1,243	70 km
1891	SEA OF ALBORAN	Earthquake	—	36	99 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	50°F (10°C)	2.2 in	Coldest
February	52°F (11°C)	1.8 in
March	56°F (13°C)	1.8 in
April	60°F (16°C)	1.3 in
May	67°F (19°C)	1.5 in
June	75°F (24°C)	0.4 in
July	82°F (28°C)	0.0 in	Driest
August	83°F (28°C)	0.1 in	Warmest
September	76°F (25°C)	0.8 in
October	67°F (19°C)	1.5 in
November	57°F (14°C)	2.6 in	Wettest
December	51°F (10°C)	2.5 in

Oued Rhiou has a seasonal temperature swing of 33°F / from 50°F in January to 83°F in August. Total annual precipitation is 16.4 inches, with November being the wettest month (2.6") and July the driest (0.0").

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