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. 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) |
Geography
| Elevation | 20 ft (6 m) |
| Area | 7.4 sq mi (19.2 km²) |
| Population Density | 180/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").