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Weather & Climate in Oued Rhiou, Algeria
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
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, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 16.4 inches (drier than the 38-inch national average). The city sits at an elevation of 318 feet.
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
Air Quality
Earthquake History
240 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.9.
| Aug 18, 1994 | 8 km E of Sig, Algeria | M5.9 | 105 km | 9 km |
| Jun 6, 2008 | 17 km NNE of Mers el Kebir, Algeria | M5.5 | 142 km | 4 km |
| Jul 20, 2005 | 68 km NW of Abou el Hassan, Algeria | M5.0 | 103 km | 10 km |
| May 22, 2014 | 21 km SE of Mostaganem, Algeria | M4.8 | 64 km | 10 km |
| Jan 17, 2009 | 10 km NNW of El Abadia, Algeria | M4.8 | 77 km | 10 km |
| Apr 23, 2018 | 10 km NNW of Mostaganem, Algeria | M4.7 | 79 km | 8 km |
| Jul 14, 1997 | 9 km NNE of Ammi Moussa, Algeria | M4.7 | 22 km | 10 km |
| Jan 19, 1992 | 8 km E of El Abadia, Algeria | M4.7 | 85 km | 12 km |
| Jun 26, 2022 | 14 km NW of Aïn el Bya, Algeria | M4.6 | 118 km | 10 km |
| Jun 18, 2008 | 9 km NE of ’Aïn Merane, Algeria | M4.6 | 31 km | 6 km |
| Jan 9, 2008 | 6 km SE of Es Senia, Algeria | M4.6 | 140 km | 10 km |
| Feb 14, 2024 | 23 km N of Mascara, Algeria | M4.6 | 83 km | 10 km |
| Apr 25, 2012 | 25 km N of El Abadia, Algeria | M4.6 | 88 km | 10 km |
| Jul 23, 2006 | 11 km NNE of Relizane, Algeria | M4.5 | 31 km | 22 km |
| Jun 6, 2008 | 13 km NNE of Mers el Kebir, Algeria | M4.5 | 140 km | 0 km |
| Aug 18, 1994 | 7 km E of Sig, Algeria | M4.5 | 104 km | 10 km |
| Dec 10, 1998 | 11 km SE of Sig, Algeria | M4.5 | 107 km | 10 km |
| Nov 2, 2009 | 6 km E of El Abadia, Algeria | M4.4 | 83 km | 10 km |
| Jul 16, 2022 | 60 km NNW of Mostaganem, Algeria | M4.4 | 109 km | 10 km |
| Jul 31, 2021 | 5 km NNW of El Abadia, Algeria | M4.4 | 78 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
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.
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").