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Weather & Climate in Sinsao, Ecuador
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sinsao experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 48°F in January while summers reach 51°F in July / relatively mild seasonal variation. The area gets 322 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 131.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 4,905 feet.
Temperature
48°F Jan (9°C)
51°F Jul (11°C)
| Annual Average | 50.9°F |
| 6% below US avg | |
| January Average | 48°F (9°C) |
| July Average | 51°F (11°C) |
| Sunny Days | 322 days/yr |
Geography
| Elevation | 4,905 ft (1,495 m) |
| Area | 1.1 sq mi (2.7 km²) |
| Population Density | 0/sq mi |
| Coordinates | -3.6641°N, 79.5826°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 | 102 km | 68 km |
| Aug 3, 1999 | 56 km ENE of Zaruma, Ecuador | M5.9 | 52 km | 88 km |
| Feb 4, 2019 | 24 km SSE of Guayaquil, Ecuador | M5.8 | 142 km | 70 km |
| Jun 5, 2017 | Peru-Ecuador border region | M5.6 | 97 km | 49 km |
| Feb 10, 1990 | 58 km NNW of Zorritos, Peru | M5.6 | 149 km | 57 km |
| May 8, 2025 | 12 km NNW of Cañaveral, Peru | M5.4 | 126 km | 45 km |
| Aug 21, 2023 | 6 km N of Machala, Ecuador | M5.4 | 67 km | 40 km |
| Jun 29, 2001 | 19 km NW of Papayal, Peru | M5.3 | 146 km | 33 km |
| Aug 18, 1992 | 12 km W of Baláo, Ecuador | M5.3 | 94 km | 27 km |
| Mar 5, 1997 | 13 km E of Zorritos, Peru | M5.3 | 108 km | 37 km |
| Feb 16, 1990 | 55 km NNW of Tumbes, Peru | M5.3 | 136 km | 76 km |
| Jan 26, 2014 | 25 km WNW of Cañaveral, Peru | M5.3 | 143 km | 11 km |
| Feb 13, 2021 | 33 km W of Celica, Ecuador | M5.3 | 92 km | 69 km |
| Jan 26, 2008 | 27 km S of Playas, Ecuador | M5.2 | 125 km | 64 km |
| Apr 25, 2023 | 10 km NNW of Baláo, Ecuador | M5.2 | 98 km | 69 km |
| May 8, 2023 | 8 km W of Azogues, Ecuador | M5.2 | 125 km | 90 km |
| Nov 5, 1995 | 6 km NE of Llacao, Ecuador | M5.2 | 125 km | 33 km |
| Sep 11, 2010 | Peru-Ecuador border region | M5.2 | 128 km | 62 km |
| Jun 21, 2025 | 8 km NW of Naranjal, Ecuador | M5.2 | 117 km | 50 km |
| Feb 18, 2021 | 14 km SSW of Yantzaza, Ecuador | M5.2 | 92 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 | 117 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 6.1 in | Coldest |
| February | 73°F (23°C) | 8.7 in | |
| March | 74°F (23°C) | 10.2 in | Wettest |
| April | 74°F (23°C) | 7.3 in | Warmest |
| May | 73°F (23°C) | 3.0 in | |
| June | 72°F (22°C) | 0.6 in | |
| July | 51°F (11°C) | 0.2 in | Driest |
| August | 73°F (23°C) | 0.2 in | |
| September | 73°F (23°C) | 0.7 in | |
| October | 73°F (23°C) | 1.0 in | |
| November | 73°F (23°C) | 1.0 in | |
| December | 73°F (23°C) | 2.9 in |
Sinsao has a seasonal temperature swing of 26°F / from 48°F in January to 74°F in April. Total annual precipitation is 41.9 inches, with March being the wettest month (10.2") and July the driest (0.2").