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Weather & Climate in San Isidro, Nicaragua
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Isidro has a warm climate with an average annual temperature of 75°F (24°C). Winters average 69°F in January while summers reach 75°F in July / relatively mild seasonal variation. The area gets 355 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 50.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,588 feet.
Temperature
69°F Jan (21°C)
75°F Jul (24°C)
| Annual Average | 74.6°F |
| 38% above US avg | |
| January Average | 69°F (21°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 355 days/yr |
Geography
| Elevation | 1,588 ft (484 m) |
| Area | 352.6 sq mi (913.2 km²) |
| Population Density | 0/sq mi |
| Coordinates | 12.9296°N, 86.1952°W |
| Timezone | America/Managua |
Precipitation & Snow
Air Quality
Earthquake History
545 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.7.
| Mar 3, 1996 | 30 km WSW of Villa El Carmen, Nicaragua | M6.7 | 130 km | 33 km |
| Apr 11, 2014 | 15 km N of Belén, Nicaragua | M6.6 | 147 km | 135 km |
| Apr 10, 2014 | 16 km SW of Valle San Francisco, Nicaragua | M6.1 | 62 km | 13 km |
| Jun 10, 2016 | Nicaragua | M6.1 | 84 km | 10 km |
| Jun 12, 1993 | 14 km ESE of Amapala, Honduras | M5.9 | 149 km | 218 km |
| Apr 4, 1990 | near the coast of Nicaragua | M5.9 | 149 km | 61 km |
| Nov 22, 1993 | 6 km E of La Conquista, Nicaragua | M5.9 | 132 km | 108 km |
| Sep 15, 2016 | 11 km NNE of La Paz Centro, Nicaragua | M5.7 | 73 km | 10 km |
| Apr 27, 1992 | 24 km SSE of Corinto, Nicaragua | M5.7 | 121 km | 76 km |
| Sep 28, 1996 | 12 km SSE of Masachapa, Nicaragua | M5.7 | 142 km | 33 km |
| Jul 18, 1990 | 16 km SSE of Jiquilillo, Nicaragua | M5.7 | 134 km | 58 km |
| Mar 18, 2001 | 23 km SSE of Jiquilillo, Nicaragua | M5.7 | 138 km | 96 km |
| Jul 23, 2005 | 5 km E of Tisma, Nicaragua | M5.6 | 98 km | 168 km |
| Mar 28, 2014 | 15 km SSW of Masachapa, Nicaragua | M5.6 | 148 km | 46 km |
| Mar 9, 2007 | 4 km W of Santa Cruz, Honduras | M5.6 | 134 km | 226 km |
| Jan 12, 1990 | near the coast of Nicaragua | M5.6 | 143 km | 86 km |
| Mar 12, 1994 | 42 km W of Villa El Carmen, Nicaragua | M5.6 | 133 km | 33 km |
| Oct 1, 2004 | 1 km WNW of Villa El Carmen, Nicaragua | M5.6 | 110 km | 87 km |
| Nov 6, 1997 | 19 km NNW of Moyogalpa, Nicaragua | M5.6 | 144 km | 117 km |
| May 8, 1997 | 24 km S of Corinto, Nicaragua | M5.6 | 132 km | 59 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
9 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Julia | Category 1 | 86 mph | 177 km |
| 2020 | Eta | Category 4 | 138 mph | 227 km |
| 2020 | Iota | Category 4 | 144 mph | 138 km |
| 2016 | Otto | Category 3 | 115 mph | 266 km |
| 2009 | Ida | Category 1 | 81 mph | 281 km |
| 2007 | Felix | Category 4 | 98 mph | 215 km |
| 2005 | Beta | Category 2 | 104 mph | 260 km |
| 1996 | Cesar | Category 1 | 86 mph | 228 km |
| 1988 | Joan:miriam | Category 4 | 144 mph | 166 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Esteli (35 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Esteli | Fissure vent(s) | 899 m (2,949 ft) | Unknown | 35 km |
| Momotombo | Stratovolcano | 1,270 m (4,167 ft) | 2016 | 68 km |
| Pilas, Las | Complex | 1,088 m (3,570 ft) | 1954 | 72 km |
| Negro, Cerro | Pyroclastic cone(s) | 728 m (2,388 ft) | 1999 | 72 km |
| Rota | Stratovolcano | 832 m (2,730 ft) | Unknown | 74 km |
| Apoyeque | Pyroclastic shield | 518 m (1,699 ft) | -50 | 78 km |
| Telica | Stratovolcano(es) | 1,036 m (3,399 ft) | 2018 | 79 km |
| Lajas, Las | Shield | 926 m (3,038 ft) | Unknown | 86 km |
| Nejapa-Miraflores | Fissure vent(s) | 360 m (1,181 ft) | 1060 | 91 km |
| San Cristobal | Stratovolcano | 1,745 m (5,725 ft) | 2019 | 91 km |
| Masaya | Caldera | 594 m (1,949 ft) | 2020 | 105 km |
| Granada | Fissure vent(s) | 300 m (984 ft) | Unknown | 115 km |
| Mombacho | Stratovolcano | 1,344 m (4,409 ft) | Unknown | 125 km |
| Zapatera | Shield | 629 m (2,064 ft) | Unknown | 140 km |
| Cosiguina | Stratovolcano | 872 m (2,861 ft) | 1859 | 149 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 69°F (21°C) | 0.5 in | Coldest |
| February | 74°F (23°C) | 0.3 in | Driest |
| March | 76°F (25°C) | 0.4 in | |
| April | 77°F (25°C) | 1.1 in | |
| May | 78°F (25°C) | 6.4 in | Warmest |
| June | 76°F (24°C) | 9.3 in | |
| July | 75°F (24°C) | 4.7 in | |
| August | 75°F (24°C) | 5.8 in | |
| September | 75°F (24°C) | 10.2 in | Wettest |
| October | 74°F (24°C) | 9.6 in | |
| November | 73°F (23°C) | 2.5 in | |
| December | 73°F (23°C) | 0.7 in |
San Isidro has a seasonal temperature swing of 9°F / from 69°F in January to 78°F in May. Total annual precipitation is 51.5 inches, with September being the wettest month (10.2") and February the driest (0.3").