São Miguel de Rio Torto, Portugal

Full City Profile

4,881 Population 194/sq mi density

469 ft Elevation 143 meters

61°F Avg Temperature 16°C

São Miguel de Rio Torto enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 50°F in January while summers reach 73°F in July. The area gets 284 sunny days per year. Annual precipitation totals 28.7 inches. The area receives 0.0 inches of snow annually.

Temperature

50°F Jan (10°C) 73°F Jul (23°C)

Annual Average	61.3°F
	14% above US avg
January Average	50°F (10°C)
July Average	73°F (23°C)
Sunny Days	284 days/yr

Geography

Elevation	469 ft (143 m)
Area	25.2 sq mi (65.3 km²)
Population Density	194/sq mi
Coordinates	39.4333°N, 8.2167°W
Timezone	Europe/Lisbon

Precipitation & Snow

Annual Rainfall 28.7"

24% below US avg

Snowfall 0.0"

Wettest Month (Dec) 4.25"

Driest Month (Jul) 0.24"

Air Quality

Earthquake History

92 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.8. Most recent: M2.9 on Apr 16, 2025.

Feb 17, 2025	1 km NE of Charneca de Caparica, Portugal	M4.8	122 km
Aug 17, 2017	5 km N of Arruda dos Vinhos, Portugal	M4.2	87 km
Mar 27, 2010	13 km SE of Vale da Amoreira, Portugal	M4.1	73 km
Jan 15, 2018	25 km NNW of Évora, Portugal	M4.1	75 km
Mar 7, 1997	66 km NW of Peniche, Portugal	M3.9	150 km
Apr 3, 1995	4 km E of Tocha, Portugal	M3.9	106 km
Jul 31, 1998	23 km W of Estremoz, Portugal	M3.8	70 km
Sep 20, 1999	0 km SW of Caxias, Portugal	M3.8	123 km
Apr 10, 2001	6 km SSE of Louriçal, Portugal	M3.7	71 km
Jan 19, 1997	9 km WNW of Redondo, Portugal	M3.6	97 km
Feb 1, 2017	4 km WSW of Porto de Mós, Portugal	M3.6	58 km
Sep 4, 1996	4 km E of Santo Isidoro, Portugal	M3.6	109 km
Apr 30, 1999	7 km WNW of Marinha Grande, Portugal	M3.6	78 km
Feb 18, 1990	2 km ENE of Abrigada, Portugal	M3.6	74 km
Feb 14, 1996	15 km SSW of Évora, Portugal	M3.5	113 km
Dec 31, 1996	4 km N of Luso, Portugal	M3.5	111 km
Jun 20, 1991	3 km SE of Tavarede, Portugal	M3.5	94 km
Jan 11, 2005	12 km WSW of Montemor-o-Novo, Portugal	M3.5	94 km
Nov 10, 1997	29 km WSW of Buarcos, Portugal	M3.4	110 km
Oct 7, 1993	8 km NNW of Campo de Besteiros, Portugal	M3.4	133 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

1 tsunami recorded within 500 km.

Year	Location	Cause	Max Wave	Deaths	Distance
1531	TAGUS RIVER, LISBON	Earthquake	—	30,000	112 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	50°F (10°C)	4.2 in	Coldest
February	52°F (11°C)	3.4 in
March	56°F (13°C)	2.5 in
April	58°F (14°C)	2.6 in
May	63°F (17°C)	2.2 in
June	69°F (21°C)	0.9 in
July	73°F (23°C)	0.2 in	Driest
August	74°F (23°C)	0.3 in	Warmest
September	70°F (21°C)	1.3 in
October	63°F (17°C)	3.2 in
November	56°F (13°C)	3.7 in
December	51°F (11°C)	4.3 in	Wettest

São Miguel de Rio Torto has a seasonal temperature swing of 24°F / from 50°F in January to 74°F in August. Total annual precipitation is 28.7 inches, with December being the wettest month (4.3") and July the driest (0.2").

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