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Biscoitos, Portugal

Full City Profile

1,425 Population 140/sq mi density
577 ft Elevation 176 meters
64°F Avg Temperature 18°C
Biscoitos 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. The area gets 247 sunny days per year. Annual precipitation totals 49.2 inches. The area receives 0.0 inches of snow annually.

Temperature

58°F Jan (15°C) 71°F Jul (22°C)
Annual Average63.9°F
18% above US avg
January Average58°F (15°C)
July Average71°F (22°C)
Sunny Days247 days/yr

Geography

Elevation577 ft (176 m)
Area10.2 sq mi (26.3 km²)
Population Density140/sq mi
Coordinates38.7833°N, 27.2500°W
TimezoneAtlantic/Azores

Precipitation & Snow

Annual Rainfall 49.2"
29% above US avg
Snowfall 0.0"
Wettest Month (Jan) 5.98"
Driest Month (Jul) 1.77"

Air Quality

Earthquake History

63 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.2. Most recent: M4.4 on Mar 25, 2025.

Jul 9, 1998 12 km N of Horta, Portugal M6.2 120 km
Jun 27, 1997 50 km SE of Porto Martins, Portugal M5.9 70 km
Jun 27, 1997 51 km SE of Porto Judeu, Portugal M5.2 70 km
Jun 28, 1997 45 km SE of Porto Judeu, Portugal M5.1 64 km
Mar 24, 1996 53 km SE of Porto Martins, Portugal M4.9 74 km
Jun 18, 1991 46 km NW of Mosteiros, Portugal M4.9 113 km
Jan 14, 2024 4 km W of Fonte Bastardo, Portugal M4.9 14 km
Aug 27, 1997 69 km SE of Porto Martins, Portugal M4.9 89 km
Apr 11, 2014 66 km WNW of Mosteiros, Portugal M4.9 102 km
Jan 27, 2020 38 km W of Mosteiros, Portugal M4.8 127 km
Jun 28, 1997 49 km SSE of Porto Judeu, Portugal M4.8 68 km
Jul 11, 1998 9 km WSW of Castelo Branco, Portugal M4.7 139 km
Jun 28, 1997 55 km SSE of Porto Martins, Portugal M4.7 74 km
Mar 4, 2000 49 km SE of Porto Martins, Portugal M4.6 70 km
Jan 19, 2025 4 km NNW of Ribeirinha, Portugal M4.6 10 km
Jul 15, 1997 44 km SE of Porto Judeu, Portugal M4.5 64 km
Sep 25, 2023 16 km S of Angra do Heroísmo, Portugal M4.5 31 km
Aug 10, 1993 53 km SSE of Porto Judeu, Portugal M4.5 73 km
Jun 27, 1997 2 km NE of Porto Martins, Portugal M4.5 21 km
Jun 29, 1997 43 km SSE of Porto Martins, Portugal M4.5 62 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

3 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 1.

Year Name Category Closest
2012 Gordon Category 1 269 km
2006 Gordon Category 1 147 km
1998 Ivan Category 1 217 km
Source: NOAA IBTrACS (Cat 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 85 km
1980 AZORES Earthquake 0.4 m 69 44 km
1757 AZORES Earthquake 1,053 74 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

7 volcanoes within 200 km. Closest: Terceira (9 km).

Name Type Elevation Last Eruption Distance
Terceira Stratovolcano(es) 1,023 m (3,356 ft) 2000 9 km
Graciosa Stratovolcano 402 m (1,319 ft) -1950 68 km
Pico Stratovolcano 2,351 m (7,713 ft) 1720 106 km
Fayal Stratovolcano 1,043 m (3,422 ft) 1958 130 km
Sete Cidades Stratovolcano 856 m (2,808 ft) 1880 164 km
Picos Volcanic System Pyroclastic cone(s) 350 m (1,148 ft) 1652 177 km
Agua de Pau Stratovolcano 947 m (3,107 ft) 1564 192 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

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

Biscoitos 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").

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