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Weather & Climate in Arcos, Portugal
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Arcos enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 48°F in January while summers reach 69°F in July. The area gets 293 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 72.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 548 feet.
Temperature
48°F Jan (9°C)
69°F Jul (21°C)
| Annual Average | 59.7°F |
| 11% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 548 ft (167 m) |
| Area | 1.9 sq mi (4.8 km²) |
| Population Density | 3,678/sq mi |
| Coordinates | 41.5219°N, 8.4215°W |
| Timezone | Europe/Lisbon |
Precipitation & Snow
Air Quality
Earthquake History
233 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| Oct 29, 1996 | 6 km WNW of O Incio, Spain | M4.4 | 150 km | 10 km |
| Oct 25, 1992 | 13 km S of Macedo de Cavaleiros, Portugal | M4.1 | 120 km | 33 km |
| May 28, 1998 | 8 km W of Bande, Spain | M4.1 | 64 km | 9 km |
| May 30, 1998 | 15 km NNE of Valpaços, Portugal | M4.0 | 102 km | 0 km |
| May 20, 2001 | 10 km E of Taboada, Spain | M4.0 | 145 km | 10 km |
| Apr 3, 1995 | 4 km E of Tocha, Portugal | M3.9 | 136 km | 5 km |
| Feb 1, 2008 | 89 km W of Baiona, Spain | M3.9 | 136 km | 11 km |
| Jan 27, 2022 | 30 km W of Santa Uxía de Ribeira, Spain | M3.9 | 140 km | 10 km |
| Oct 6, 1997 | 9 km SSW of Castro, Spain | M3.9 | 145 km | 10 km |
| Aug 20, 1998 | 13 km SSE of Mêda, Portugal | M3.8 | 126 km | 11 km |
| Jul 2, 1996 | 6 km SSE of Allariz, Spain | M3.7 | 86 km | 10 km |
| Jun 12, 1998 | 6 km SW of Verea, Spain | M3.7 | 67 km | 0 km |
| Apr 25, 1996 | 10 km SW of Castro, Spain | M3.6 | 145 km | 10 km |
| May 24, 2004 | 4 km NNW of Nogueira de Ramuín, Spain | M3.6 | 117 km | 10 km |
| Aug 11, 1993 | 3 km SSW of Vilela, Portugal | M3.6 | 76 km | 10 km |
| Nov 22, 1990 | 4 km E of Lobios, Spain | M3.6 | 125 km | 10 km |
| Jan 21, 2002 | 21 km E of Sobreira, Portugal | M3.6 | 73 km | 7 km |
| Nov 24, 1993 | Portugal | M3.6 | 69 km | 10 km |
| Feb 25, 2008 | 19 km WNW of Santa Uxía de Ribeira, Spain | M3.5 | 138 km | 5 km |
| Sep 29, 1995 | 5 km SSW of Cartelle, Spain | M3.5 | 80 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 7.7 in | Coldest |
| February | 50°F (10°C) | 6.7 in | |
| March | 53°F (11°C) | 4.7 in | |
| April | 55°F (13°C) | 4.5 in | |
| May | 59°F (15°C) | 4.3 in | |
| June | 65°F (18°C) | 2.4 in | |
| July | 69°F (21°C) | 0.9 in | Warmest, Driest |
| August | 68°F (20°C) | 1.1 in | |
| September | 65°F (19°C) | 3.1 in | |
| October | 60°F (15°C) | 6.1 in | |
| November | 53°F (12°C) | 6.9 in | |
| December | 49°F (9°C) | 8.6 in | Wettest |
Arcos has a seasonal temperature swing of 21°F / from 48°F in January to 69°F in July. Total annual precipitation is 57.1 inches, with December being the wettest month (8.6") and July the driest (0.9").