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Weather & Climate in São Bartolomeu, Portugal
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
São Bartolomeu enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 58°F in January while summers reach 71°F in July / relatively mild seasonal variation. The area gets 247 sunny days per year, above the national average. Annual precipitation totals 49.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 390 feet.
Temperature
58°F Jan (15°C)
71°F Jul (22°C)
| Annual Average | 63.9°F |
| 18% above US avg | |
| January Average | 58°F (15°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 247 days/yr |
Geography
| Elevation | 390 ft (119 m) |
| Area | 2.4 sq mi (6.3 km²) |
| Population Density | 816/sq mi |
| Coordinates | 38.6749°N, 27.2935°W |
| Timezone | Atlantic/Azores |
Precipitation & Snow
Air Quality
Earthquake History
64 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Jul 9, 1998 | 12 km N of Horta, Portugal | M6.2 | 116 km | 10 km |
| Jun 27, 1997 | 50 km SE of Porto Martins, Portugal | M5.9 | 65 km | 10 km |
| Jun 27, 1997 | 51 km SE of Porto Judeu, Portugal | M5.2 | 64 km | 10 km |
| Aug 1, 2000 | 39 km NW of Castelo Branco, Portugal | M5.1 | 149 km | 10 km |
| Jun 28, 1997 | 45 km SE of Porto Judeu, Portugal | M5.1 | 58 km | 10 km |
| Mar 24, 1996 | 53 km SE of Porto Martins, Portugal | M4.9 | 69 km | 10 km |
| Jun 18, 1991 | 46 km NW of Mosteiros, Portugal | M4.9 | 109 km | 10 km |
| Aug 27, 1997 | 69 km SE of Porto Martins, Portugal | M4.9 | 84 km | 10 km |
| Jan 14, 2024 | 4 km W of Fonte Bastardo, Portugal | M4.9 | 14 km | 10 km |
| Apr 11, 2014 | 66 km WNW of Mosteiros, Portugal | M4.9 | 95 km | 10 km |
| Jun 28, 1997 | 49 km SSE of Porto Judeu, Portugal | M4.8 | 61 km | 10 km |
| Jan 27, 2020 | 38 km W of Mosteiros, Portugal | M4.8 | 121 km | 10 km |
| Jun 28, 1997 | 55 km SSE of Porto Martins, Portugal | M4.7 | 68 km | 10 km |
| Jul 11, 1998 | 9 km WSW of Castelo Branco, Portugal | M4.7 | 134 km | 10 km |
| Jan 19, 2025 | 4 km NNW of Ribeirinha, Portugal | M4.6 | 8 km | 10 km |
| Mar 4, 2000 | 49 km SE of Porto Martins, Portugal | M4.6 | 66 km | 10 km |
| Apr 25, 2004 | 48 km WNW of Santa Cruz da Graciosa, Portugal | M4.5 | 123 km | 10 km |
| Jun 28, 1997 | 47 km SE of Porto Martins, Portugal | M4.5 | 61 km | 10 km |
| Sep 25, 2023 | 16 km S of Angra do Heroísmo, Portugal | M4.5 | 19 km | 10 km |
| Jul 15, 1997 | 44 km SE of Porto Judeu, Portugal | M4.5 | 58 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 1.
| Year | Name | Category | Max Wind | Closest |
| 2012 | Gordon | Category 1 | 81 mph | 260 km |
| 2006 | Gordon | Category 1 | 81 mph | 135 km |
| 1998 | Ivan | Category 1 | 86 mph | 228 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 9.0 m (30 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1641 | AZORES | Unknown | 9.0 m | — | 77 km |
| 1980 | AZORES | Earthquake | 0.4 m | 69 | 40 km |
| 1757 | AZORES | Earthquake | — | 1,053 | 68 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
8 volcanoes within 200 km. Closest: Terceira (7 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Terceira | Stratovolcano(es) | 1,023 m (3,356 ft) | 2000 | 7 km |
| Graciosa | Stratovolcano | 402 m (1,319 ft) | -1950 | 70 km |
| Pico | Stratovolcano | 2,351 m (7,713 ft) | 1720 | 99 km |
| Fayal | Stratovolcano | 1,043 m (3,422 ft) | 1958 | 125 km |
| Sete Cidades | Stratovolcano | 856 m (2,808 ft) | 1880 | 160 km |
| Picos Volcanic System | Pyroclastic cone(s) | 350 m (1,148 ft) | 1652 | 173 km |
| Agua de Pau | Stratovolcano | 947 m (3,107 ft) | 1564 | 188 km |
| Furnas | Stratovolcano | 805 m (2,641 ft) | 1630 | 200 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 58°F (15°C) | 6.0 in | Wettest |
| February | 58°F (14°C) | 4.8 in | Coldest |
| March | 59°F (15°C) | 4.5 in | |
| April | 60°F (15°C) | 3.4 in | |
| May | 63°F (17°C) | 3.0 in | |
| June | 67°F (19°C) | 2.2 in | |
| July | 71°F (22°C) | 1.8 in | Driest |
| August | 73°F (23°C) | 2.6 in | Warmest |
| September | 71°F (22°C) | 4.1 in | |
| October | 67°F (19°C) | 5.2 in | |
| November | 63°F (17°C) | 5.7 in | |
| December | 60°F (16°C) | 5.9 in |
São Bartolomeu has a seasonal temperature swing of 15°F / from 58°F in February to 73°F in August. Total annual precipitation is 49.2 inches, with January being the wettest month (6.0") and July the driest (1.8").