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Weather & Climate in Mosteiros, Portugal
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mosteiros enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 56°F in January while summers reach 68°F in July / relatively mild seasonal variation. The area gets 257 sunny days per year, above the national average. Annual precipitation totals 43.3 inches. The city sits at an elevation of 20 feet.
Temperature
56°F Jan (13°C)
68°F Jul (20°C)
| Annual Average | 61.3°F |
| 14% above US avg | |
| January Average | 56°F (13°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 257 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 7.4 sq mi (19.2 km²) |
| Population Density | 151/sq mi |
| Coordinates | 37.8932°N, 25.8206°W |
| Timezone | Atlantic/Azores |
Precipitation & Snow
Air Quality
Earthquake History
106 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.3.
| Apr 5, 2007 | 74 km SE of Povoação, Portugal | M6.3 | 124 km | 14 km |
| Apr 7, 2007 | 82 km SE of Senhora do Rosário, Portugal | M6.1 | 134 km | 8 km |
| Apr 30, 2013 | Azores Islands region | M5.9 | 87 km | 10 km |
| Jun 27, 1997 | 50 km SE of Porto Martins, Portugal | M5.9 | 90 km | 10 km |
| Apr 8, 2007 | 90 km SE of Povoação, Portugal | M5.4 | 140 km | 10 km |
| Jun 27, 1997 | 51 km SE of Porto Judeu, Portugal | M5.2 | 93 km | 10 km |
| Apr 8, 2007 | 91 km SE of Povoação, Portugal | M5.2 | 141 km | 10 km |
| Mar 11, 2025 | 30 km SSE of Povoação, Portugal | M5.1 | 75 km | 10 km |
| Jun 28, 1997 | 45 km SE of Porto Judeu, Portugal | M5.1 | 99 km | 10 km |
| Apr 9, 2007 | 96 km SE of Povoação, Portugal | M5.0 | 145 km | 10 km |
| Apr 6, 2007 | 78 km SE of Povoação, Portugal | M5.0 | 127 km | 10 km |
| Aug 27, 1997 | 69 km SE of Porto Martins, Portugal | M4.9 | 72 km | 10 km |
| Mar 24, 1996 | 53 km SE of Porto Martins, Portugal | M4.9 | 86 km | 10 km |
| Apr 11, 2014 | 66 km WNW of Mosteiros, Portugal | M4.9 | 67 km | 10 km |
| Jun 18, 1991 | 46 km NW of Mosteiros, Portugal | M4.9 | 46 km | 10 km |
| Jan 14, 2024 | 4 km W of Fonte Bastardo, Portugal | M4.9 | 145 km | 10 km |
| Jun 28, 1997 | 49 km SSE of Porto Judeu, Portugal | M4.8 | 97 km | 10 km |
| May 22, 2007 | 79 km SE of Povoação, Portugal | M4.8 | 127 km | 10 km |
| Apr 6, 2007 | 92 km SE of Povoação, Portugal | M4.8 | 139 km | 10 km |
| Apr 5, 2007 | 86 km SE of Povoação, Portugal | M4.8 | 134 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
3 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2017 | Ophelia | Category 3 | 115 mph | 289 km |
| 2012 | Gordon | Category 1 | 92 mph | 114 km |
| 2006 | Gordon | Category 1 | 81 mph | 41 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Sete Cidades (4 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sete Cidades | Stratovolcano | 856 m (2,808 ft) | 1880 | 4 km |
| Picos Volcanic System | Pyroclastic cone(s) | 350 m (1,148 ft) | 1652 | 18 km |
| Agua de Pau | Stratovolcano | 947 m (3,107 ft) | 1564 | 34 km |
| Furnas | Stratovolcano | 805 m (2,641 ft) | 1630 | 46 km |
| Terceira | Stratovolcano(es) | 1,023 m (3,356 ft) | 2000 | 161 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (13°C) | 4.8 in | |
| February | 55°F (13°C) | 4.2 in | Coldest |
| March | 56°F (13°C) | 3.9 in | |
| April | 57°F (14°C) | 3.0 in | |
| May | 60°F (15°C) | 2.6 in | |
| June | 63°F (17°C) | 1.9 in | |
| July | 68°F (20°C) | 1.4 in | Driest |
| August | 70°F (21°C) | 2.2 in | Warmest |
| September | 68°F (20°C) | 3.8 in | |
| October | 65°F (18°C) | 4.8 in | |
| November | 61°F (16°C) | 5.4 in | Wettest |
| December | 58°F (14°C) | 5.4 in |
Mosteiros has a seasonal temperature swing of 14°F / from 55°F in February to 70°F in August. Total annual precipitation is 43.3 inches, with November being the wettest month (5.4") and July the driest (1.4").