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São Mateus, Portugal

Full City Profile

3,757 Population 1,546/sq mi density
66 ft Elevation 20 meters
66°F Avg Temperature 19°C
São Mateus enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 60°F in January while summers reach 73°F in July. The area gets 258 sunny days per year. Annual precipitation totals 43.1 inches. The area receives 0.0 inches of snow annually.

Temperature

60°F Jan (16°C) 73°F Jul (23°C)
Annual Average66.1°F
22% above US avg
January Average60°F (16°C)
July Average73°F (23°C)
Sunny Days258 days/yr

Geography

Elevation66 ft (20 m)
Area2.4 sq mi (6.3 km²)
Population Density1,546/sq mi
Coordinates38.6563°N, 27.2694°W
TimezoneAtlantic/Azores

Precipitation & Snow

Annual Rainfall 43.1"
13% above US avg
Snowfall 0.0"
Wettest Month (Dec) 5.35"
Driest Month (Jul) 1.50"

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 M6.2 118 km
Jun 27, 1997 50 km SE of Porto Martins, Portugal M5.9 62 km
Jun 27, 1997 51 km SE of Porto Judeu, Portugal M5.2 61 km
Jun 28, 1997 45 km SE of Porto Judeu, Portugal M5.1 55 km
Mar 24, 1996 53 km SE of Porto Martins, Portugal M4.9 66 km
Jun 18, 1991 46 km NW of Mosteiros, Portugal M4.9 107 km
Jan 14, 2024 4 km W of Fonte Bastardo, Portugal M4.9 13 km
Aug 27, 1997 69 km SE of Porto Martins, Portugal M4.9 81 km
Apr 11, 2014 66 km WNW of Mosteiros, Portugal M4.9 92 km
Jan 27, 2020 38 km W of Mosteiros, Portugal M4.8 118 km
Jun 28, 1997 49 km SSE of Porto Judeu, Portugal M4.8 58 km
Jul 11, 1998 9 km WSW of Castelo Branco, Portugal M4.7 135 km
Jun 28, 1997 55 km SSE of Porto Martins, Portugal M4.7 65 km
Mar 4, 2000 49 km SE of Porto Martins, Portugal M4.6 63 km
Jan 19, 2025 4 km NNW of Ribeirinha, Portugal M4.6 7 km
Jul 15, 1997 44 km SE of Porto Judeu, Portugal M4.5 55 km
Sep 25, 2023 16 km S of Angra do Heroísmo, Portugal M4.5 17 km
Aug 10, 1993 53 km SSE of Porto Judeu, Portugal M4.5 62 km
Jun 27, 1997 2 km NE of Porto Martins, Portugal M4.5 20 km
Jun 29, 1997 43 km SSE of Porto Martins, Portugal M4.5 54 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 1 258 km
2006 Gordon Category 1 134 km
1998 Ivan Category 1 230 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 78 km
1980 AZORES Earthquake 0.4 m 69 42 km
1757 AZORES Earthquake 1,053 70 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

8 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 73 km
Pico Stratovolcano 2,351 m (7,713 ft) 1720 101 km
Fayal Stratovolcano 1,043 m (3,422 ft) 1958 127 km
Sete Cidades Stratovolcano 856 m (2,808 ft) 1880 157 km
Picos Volcanic System Pyroclastic cone(s) 350 m (1,148 ft) 1652 170 km
Agua de Pau Stratovolcano 947 m (3,107 ft) 1564 186 km
Furnas Stratovolcano 805 m (2,641 ft) 1630 197 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 60°F (16°C) 5.3 in
February 60°F (16°C) 4.2 in Coldest
March 61°F (16°C) 3.8 in
April 62°F (17°C) 3.0 in
May 65°F (18°C) 2.6 in
June 69°F (20°C) 1.9 in
July 73°F (23°C) 1.5 in Driest
August 75°F (24°C) 2.2 in Warmest
September 73°F (23°C) 3.6 in
October 69°F (20°C) 4.7 in
November 65°F (18°C) 5.1 in
December 62°F (17°C) 5.4 in Wettest

São Mateus has a seasonal temperature swing of 15°F / from 60°F in February to 75°F in August. Total annual precipitation is 43.1 inches, with December being the wettest month (5.4") and July the driest (1.5").

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