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Weather & Climate in Grey Town, Nicaragua
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grey Town has a warm climate with an average annual temperature of 79°F (26°C). Winters average 78°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 109 sunny days per year, below the national average of 205. Annual precipitation totals 150.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 20 feet.
Temperature
78°F Jan (25°C)
80°F Jul (27°C)
| Annual Average | 79.2°F |
| 47% above US avg | |
| January Average | 78°F (25°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 109 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 1,089.6 sq mi (2,822.0 km²) |
| Population Density | 1/sq mi |
| Coordinates | 10.9468°N, 83.7347°W |
| Timezone | America/Managua |
Precipitation & Snow
Air Quality
Earthquake History
218 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Mar 7, 1992 | 5 km SW of Río Segundo, Costa Rica | M6.6 | 104 km | 79 km |
| Mar 1, 1991 | 13 km SE of Los Chiles, Costa Rica | M6.2 | 99 km | 197 km |
| Apr 24, 1991 | 16 km SE of La Suiza, Costa Rica | M6.2 | 136 km | 13 km |
| Jan 8, 2009 | 10 km NNE of Sabanilla, Costa Rica | M6.1 | 101 km | 14 km |
| Dec 22, 1990 | 2 km NNE of Santiago, Costa Rica | M6.0 | 135 km | 17 km |
| May 13, 2011 | 7 km ESE of Atenas, Costa Rica | M5.9 | 127 km | 73 km |
| Jul 10, 1993 | 3 km S of La Suiza, Costa Rica | M5.8 | 126 km | 20 km |
| Oct 9, 2010 | 3 km SSW of Río Segundo, Costa Rica | M5.8 | 102 km | 91 km |
| Jun 30, 1990 | 8 km W of Santiago, Costa Rica | M5.5 | 141 km | 8 km |
| Jan 28, 2002 | 1 km SSE of Bijagua, Costa Rica | M5.4 | 146 km | 10 km |
| Apr 22, 1991 | 12 km ESE of La Suiza, Costa Rica | M5.4 | 128 km | 10 km |
| Nov 10, 1991 | 9 km SSE of Matina, Costa Rica | M5.4 | 117 km | 37 km |
| Apr 22, 1991 | 20 km SSW of Batán, Costa Rica | M5.4 | 120 km | 10 km |
| Apr 27, 1991 | 19 km NNE of Matina, Costa Rica | M5.3 | 94 km | 10 km |
| Jun 23, 1997 | 52 km NNE of Pocora, Costa Rica | M5.3 | 57 km | 22 km |
| Apr 22, 1991 | 9 km SSW of Batán, Costa Rica | M5.2 | 112 km | 10 km |
| Jul 13, 1993 | 15 km SE of Pejibaye, Costa Rica | M5.2 | 139 km | 18 km |
| Aug 9, 1991 | 7 km S of Pacayas, Costa Rica | M5.2 | 139 km | 5 km |
| Nov 20, 2009 | 64 km NNE of Matina, Costa Rica | M5.2 | 94 km | 26 km |
| Jul 3, 2016 | 8 km SSE of Bijagua, Costa Rica | M5.1 | 145 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
7 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 | 162 km |
| 2020 | Iota | Category 4 | 155 mph | 296 km |
| 2016 | Otto | Category 3 | 115 mph | 9 km |
| 2009 | Ida | Category 1 | 81 mph | 190 km |
| 2005 | Beta | Category 3 | 115 mph | 206 km |
| 1996 | Cesar | Category 1 | 86 mph | 129 km |
| 1988 | Joan:miriam | Category 4 | 144 mph | 106 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 2.0 m (7 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1950 | COSTA RICA-NICARAGUA | Earthquake | 2.0 m | — | 138 km |
| 2019 | IRAZU VOLCANO | Explosion | — | — | 108 km |
| 1798 | MATINA | Earthquake | — | — | 123 km |
| 1746 | MATINA | Earthquake | — | — | 123 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
10 volcanoes within 200 km. Closest: Barva (99 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Barva | Complex | 2,906 m (9,534 ft) | -6050 | 99 km |
| Poas | Stratovolcano | 2,708 m (8,885 ft) | 2019 | 99 km |
| Platanar | Stratovolcano(es) | 2,267 m (7,438 ft) | Unknown | 100 km |
| Turrialba | Stratovolcano | 3,340 m (10,958 ft) | 2019 | 103 km |
| Irazu | Stratovolcano | 3,432 m (11,260 ft) | 1994 | 108 km |
| Arenal | Stratovolcano | 1,670 m (5,479 ft) | 2010 | 119 km |
| Tenorio | Stratovolcano(es) | 1,916 m (6,286 ft) | Unknown | 143 km |
| Miravalles | Stratovolcano | 2,028 m (6,654 ft) | 1946 | 157 km |
| Rincon de la Vieja | Complex | 1,916 m (6,286 ft) | 2020 | 174 km |
| Orosi | Stratovolcano(es) | 1,659 m (5,443 ft) | Unknown | 190 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (25°C) | 10.8 in | |
| February | 79°F (26°C) | 6.3 in | |
| March | 81°F (27°C) | 4.0 in | Driest |
| April | 81°F (27°C) | 5.4 in | Warmest |
| May | 81°F (27°C) | 11.1 in | |
| June | 80°F (26°C) | 14.0 in | |
| July | 80°F (27°C) | 20.9 in | Wettest |
| August | 79°F (26°C) | 16.0 in | |
| September | 79°F (26°C) | 11.5 in | |
| October | 78°F (26°C) | 13.0 in | |
| November | 78°F (25°C) | 19.1 in | |
| December | 77°F (25°C) | 17.9 in | Coldest |
Grey Town has a seasonal temperature swing of 4°F / from 77°F in December to 81°F in April. Total annual precipitation is 150.0 inches, with July being the wettest month (20.9") and March the driest (4.0").