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Weather & Climate in El Rosario, Ecuador
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
El Rosario experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 51°F in January while summers reach 52°F in July / relatively mild seasonal variation. The area gets 343 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 108.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 3,156 feet.
Temperature
51°F Jan (10°C)
52°F Jul (11°C)
| Annual Average | 51.6°F |
| 4% below US avg | |
| January Average | 51°F (10°C) |
| July Average | 52°F (11°C) |
| Sunny Days | 343 days/yr |
Geography
| Elevation | 3,156 ft (962 m) |
| Area | 19.9 sq mi (51.5 km²) |
| Population Density | 0/sq mi |
| Coordinates | -3.7850°N, 79.6065°W |
| Timezone | America/Guayaquil |
Precipitation & Snow
Air Quality
Earthquake History
220 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.8.
| Mar 18, 2023 | 14 km NNW of Baláo, Ecuador | M6.8 | 115 km | 68 km |
| Aug 3, 1999 | 56 km ENE of Zaruma, Ecuador | M5.9 | 62 km | 88 km |
| Jun 5, 2017 | Peru-Ecuador border region | M5.6 | 89 km | 49 km |
| Mar 29, 1991 | 22 km NE of Máncora, Peru | M5.6 | 146 km | 38 km |
| May 8, 2025 | 12 km NNW of Cañaveral, Peru | M5.4 | 122 km | 45 km |
| Aug 3, 2014 | 24 km NE of Máncora, Peru | M5.4 | 147 km | 16 km |
| Aug 21, 2023 | 6 km N of Machala, Ecuador | M5.4 | 76 km | 40 km |
| Mar 5, 1997 | 13 km E of Zorritos, Peru | M5.3 | 106 km | 37 km |
| Jan 26, 2014 | 25 km WNW of Cañaveral, Peru | M5.3 | 139 km | 11 km |
| Jun 29, 2001 | 19 km NW of Papayal, Peru | M5.3 | 141 km | 33 km |
| Aug 18, 1992 | 12 km W of Baláo, Ecuador | M5.3 | 105 km | 27 km |
| Feb 16, 1990 | 55 km NNW of Tumbes, Peru | M5.3 | 141 km | 76 km |
| Feb 13, 2021 | 33 km W of Celica, Ecuador | M5.3 | 83 km | 69 km |
| Apr 25, 2023 | 10 km NNW of Baláo, Ecuador | M5.2 | 110 km | 69 km |
| Sep 11, 2010 | Peru-Ecuador border region | M5.2 | 120 km | 62 km |
| Jun 21, 2025 | 8 km NW of Naranjal, Ecuador | M5.2 | 130 km | 50 km |
| May 8, 2023 | 8 km W of Azogues, Ecuador | M5.2 | 138 km | 90 km |
| Jan 26, 2008 | 27 km S of Playas, Ecuador | M5.2 | 133 km | 64 km |
| Nov 5, 1995 | 6 km NE of Llacao, Ecuador | M5.2 | 137 km | 33 km |
| Feb 18, 2021 | 14 km SSW of Yantzaza, Ecuador | M5.2 | 91 km | 100 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 1.0 m (3 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1953 | N. PERU | Earthquake | 1.0 m | 6 | 118 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (10°C) | 6.0 in | Coldest |
| February | 73°F (23°C) | 8.5 in | |
| March | 73°F (23°C) | 10.1 in | Wettest |
| April | 73°F (23°C) | 7.2 in | Warmest |
| May | 73°F (23°C) | 3.0 in | |
| June | 72°F (22°C) | 0.6 in | |
| July | 52°F (11°C) | 0.2 in | Driest |
| August | 73°F (23°C) | 0.3 in | |
| September | 73°F (23°C) | 0.7 in | |
| October | 73°F (23°C) | 1.0 in | |
| November | 73°F (23°C) | 1.1 in | |
| December | 73°F (23°C) | 2.9 in |
El Rosario has a seasonal temperature swing of 23°F / from 51°F in January to 73°F in April. Total annual precipitation is 41.6 inches, with March being the wettest month (10.1") and July the driest (0.2").