Arraiolos, Portugal

Full City Profile

1,119 ft Elevation 341 meters

61°F Avg Temperature 16°C

Arraiolos enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 49°F in January while summers reach 74°F in July. The area gets 322 sunny days per year. Annual precipitation totals 19.2 inches. The area receives 0.0 inches of snow annually.

Temperature

49°F Jan (10°C) 74°F Jul (23°C)

Annual Average	60.8°F
	13% above US avg
January Average	49°F (10°C)
July Average	74°F (23°C)
Sunny Days	322 days/yr

Geography

Elevation	1,119 ft (341 m)
Area	33.8 sq mi (87.4 km²)
Population Density	0/sq mi
Coordinates	38.7236°N, 7.9848°W
Timezone	Europe/Lisbon

Precipitation & Snow

Annual Rainfall 19.2"

50% below US avg

Snowfall 0.0"

Wettest Month (Dec) 4.00"

Driest Month (Jul) 0.20"

Air Quality

Earthquake History

123 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	105 km
Jul 4, 1994	13 km ENE of El Cerro de Andévalo, Spain	M4.3	146 km
Aug 17, 2017	5 km N of Arruda dos Vinhos, Portugal	M4.2	101 km
Jan 15, 2018	25 km NNW of Évora, Portugal	M4.1	8 km
Mar 27, 2010	13 km SE of Vale da Amoreira, Portugal	M4.1	43 km
Jan 22, 2006	0 km SE of Feria, Spain	M4.1	126 km
Jul 31, 1998	23 km W of Estremoz, Portugal	M3.8	20 km
Sep 20, 1999	0 km SW of Caxias, Portugal	M3.8	113 km
Sep 4, 1997	24 km WNW of Sines, Portugal	M3.7	122 km
Apr 10, 2001	6 km SSE of Louriçal, Portugal	M3.7	150 km
Mar 28, 2002	43 km W of Sines, Portugal	M3.7	145 km
Sep 4, 1996	4 km E of Santo Isidoro, Portugal	M3.6	122 km
Jan 19, 1997	9 km WNW of Redondo, Portugal	M3.6	30 km
Feb 1, 2017	4 km WSW of Porto de Mós, Portugal	M3.6	123 km
Apr 30, 1999	7 km WNW of Marinha Grande, Portugal	M3.6	146 km
Feb 18, 1990	2 km ENE of Abrigada, Portugal	M3.6	99 km
Jan 6, 2007	36 km SSW of Cascais, Portugal	M3.6	149 km
Oct 24, 1995	6 km NW of Porto Covo, Portugal	M3.5	118 km
Feb 14, 1996	15 km SSW of Évora, Portugal	M3.5	32 km
Jan 11, 2005	12 km WSW of Montemor-o-Novo, Portugal	M3.5	34 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	97 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	49°F (10°C)	3.6 in	Coldest
February	51°F (11°C)	2.9 in
March	55°F (13°C)	2.1 in
April	57°F (14°C)	2.4 in
May	62°F (17°C)	2.0 in
June	69°F (20°C)	0.9 in
July	74°F (23°C)	0.2 in	Driest
August	74°F (23°C)	0.2 in	Warmest
September	70°F (21°C)	1.1 in
October	63°F (17°C)	2.8 in
November	55°F (13°C)	3.4 in
December	51°F (10°C)	4.0 in	Wettest

Arraiolos has a seasonal temperature swing of 25°F / from 49°F in January to 74°F in August. Total annual precipitation is 25.6 inches, with December being the wettest month (4.0") and July the driest (0.2").

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