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Weather & Climate in San Isidro, Ecuador
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Isidro has a warm climate with an average annual temperature of 77°F (25°C). Winters average 73°F in January while summers reach 77°F in July / relatively mild seasonal variation. The area gets 279 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 117.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 453 feet.
Temperature
73°F Jan (23°C)
77°F Jul (25°C)
| Annual Average | 77.3°F |
| 43% above US avg | |
| January Average | 73°F (23°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 279 days/yr |
Geography
| Elevation | 453 ft (138 m) |
| Area | 91.8 sq mi (237.8 km²) |
| Population Density | 0/sq mi |
| Coordinates | -0.3790°N, 80.1856°W |
| Timezone | America/Guayaquil |
Precipitation & Snow
Air Quality
Earthquake History
339 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.8.
| Apr 16, 2016 | 27 km SSE of Muisne, Ecuador | M7.8 | 90 km | 21 km |
| Aug 4, 1998 | 3 km E of Bahía de Caráquez, Ecuador | M7.2 | 33 km | 33 km |
| May 18, 2016 | 24 km NW of Rosa Zarate, Ecuador | M6.9 | 116 km | 30 km |
| May 18, 2016 | 32 km SE of Muisne, Ecuador | M6.7 | 100 km | 16 km |
| Sep 2, 1990 | 34 km SW of Pedernales, Ecuador | M6.6 | 28 km | 14 km |
| Sep 28, 2000 | 45 km NNW of Bahía de Caráquez, Ecuador | M6.4 | 48 km | 23 km |
| Jul 11, 2016 | 33 km NNW of Rosa Zarate, Ecuador | M6.3 | 123 km | 21 km |
| Jan 28, 2005 | 51 km WSW of Manta, Ecuador | M6.2 | 134 km | 10 km |
| Apr 20, 2016 | 21 km W of Muisne, Ecuador | M6.2 | 113 km | 14 km |
| Jan 24, 2005 | 23 km W of Jipijapa, Ecuador | M6.1 | 128 km | 17 km |
| Jun 30, 2017 | 35 km NNW of Bahía de Caráquez, Ecuador | M6.0 | 36 km | 13 km |
| Apr 22, 2016 | 34 km NNW of Bahía de Caráquez, Ecuador | M6.0 | 37 km | 10 km |
| Apr 20, 2016 | 10 km N of Muisne, Ecuador | M6.0 | 122 km | 10 km |
| Jan 21, 2005 | 21 km WSW of Montecristi, Ecuador | M6.0 | 110 km | 10 km |
| Apr 22, 2016 | 36 km NNW of Bahía de Caráquez, Ecuador | M5.9 | 37 km | 10 km |
| Jul 11, 2016 | 33 km NNW of Rosa Zarate, Ecuador | M5.9 | 124 km | 17 km |
| Apr 17, 2016 | 34 km NE of Bahía de Caráquez, Ecuador | M5.8 | 2 km | 24 km |
| Jan 24, 2005 | 37 km W of Jipijapa, Ecuador | M5.8 | 139 km | 10 km |
| Jan 30, 2005 | 43 km WNW of Manta, Ecuador | M5.7 | 108 km | 29 km |
| Apr 23, 2016 | 26 km W of Muisne, Ecuador | M5.7 | 111 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 0.6 m (2 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2016 | OFF COAST | Earthquake | 0.6 m | 663 | 90 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Illiniza (167 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Illiniza | Stratovolcano | 5,248 m (17,218 ft) | Unknown | 167 km |
| Atacazo | Stratovolcano | 4,463 m (14,642 ft) | -320 | 174 km |
| Guagua Pichincha | Stratovolcano | 4,784 m (15,696 ft) | 2002 | 178 km |
| Pululahua | Caldera | 3,356 m (11,010 ft) | 290 | 197 km |
| Cotopaxi | Stratovolcano | 5,911 m (19,393 ft) | 2016 | 197 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 73°F (23°C) | 6.7 in | Coldest |
| February | 78°F (26°C) | 8.6 in | |
| March | 79°F (26°C) | 9.2 in | Warmest, Wettest |
| April | 79°F (26°C) | 5.3 in | |
| May | 78°F (26°C) | 2.0 in | |
| June | 76°F (25°C) | 1.5 in | |
| July | 77°F (25°C) | 0.4 in | |
| August | 75°F (24°C) | 0.3 in | |
| September | 76°F (24°C) | 0.3 in | |
| October | 76°F (24°C) | 0.4 in | |
| November | 76°F (25°C) | 0.2 in | Driest |
| December | 77°F (25°C) | 1.2 in |
San Isidro has a seasonal temperature swing of 6°F / from 73°F in January to 79°F in March. Total annual precipitation is 36.1 inches, with March being the wettest month (9.2") and November the driest (0.2").