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Weather & Climate in Castelo Viegas, Portugal
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Castelo Viegas enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 48°F in January while summers reach 71°F in July. The area gets 267 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 38.2 inches. The city sits at an elevation of 322 feet.
Temperature
48°F Jan (9°C)
71°F Jul (22°C)
| Annual Average | 59.5°F |
| 10% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 267 days/yr |
Geography
| Elevation | 322 ft (98 m) |
| Area | 11.6 sq mi (30.1 km²) |
| Population Density | 1,020/sq mi |
| Coordinates | 40.1631°N, 8.4066°W |
| Timezone | Europe/Lisbon |
Precipitation & Snow
Air Quality
Earthquake History
61 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Aug 17, 2017 | 5 km N of Arruda dos Vinhos, Portugal | M4.2 | 138 km | 10 km |
| Mar 27, 2010 | 13 km SE of Vale da Amoreira, Portugal | M4.1 | 149 km | 15 km |
| Mar 7, 1997 | 66 km NW of Peniche, Portugal | M3.9 | 133 km | 10 km |
| Apr 3, 1995 | 4 km E of Tocha, Portugal | M3.9 | 30 km | 5 km |
| Aug 20, 1998 | 13 km SSE of Mêda, Portugal | M3.8 | 127 km | 11 km |
| Apr 10, 2001 | 6 km SSE of Louriçal, Portugal | M3.7 | 34 km | 10 km |
| Feb 1, 2017 | 4 km WSW of Porto de Mós, Portugal | M3.6 | 75 km | 11 km |
| Feb 18, 1990 | 2 km ENE of Abrigada, Portugal | M3.6 | 123 km | 10 km |
| Apr 30, 1999 | 7 km WNW of Marinha Grande, Portugal | M3.6 | 68 km | 10 km |
| Nov 24, 1993 | Portugal | M3.6 | 125 km | 10 km |
| Aug 11, 1993 | 3 km SSW of Vilela, Portugal | M3.6 | 133 km | 10 km |
| Jun 22, 1993 | 18 km W of Espinho, Portugal | M3.5 | 99 km | 10 km |
| Dec 31, 1996 | 4 km N of Luso, Portugal | M3.5 | 29 km | 10 km |
| Aug 18, 1998 | 11 km SSE of Mêda, Portugal | M3.5 | 127 km | 8 km |
| Jun 20, 1991 | 3 km SE of Tavarede, Portugal | M3.5 | 35 km | 20 km |
| May 10, 1990 | 69 km W of Gafanha da Encarnação, Portugal | M3.5 | 115 km | 10 km |
| Oct 7, 1993 | 8 km NNW of Campo de Besteiros, Portugal | M3.4 | 56 km | 10 km |
| Oct 20, 1994 | 3 km SSE of Peso da Régua, Portugal | M3.4 | 120 km | 10 km |
| Apr 15, 2006 | 3 km N of Bombarral, Portugal | M3.4 | 116 km | 10 km |
| Nov 10, 1997 | 29 km WSW of Buarcos, Portugal | M3.4 | 68 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) | 5.4 in | Coldest, Wettest |
| February | 50°F (10°C) | 4.8 in | |
| March | 54°F (12°C) | 3.1 in | |
| April | 56°F (14°C) | 3.4 in | |
| May | 61°F (16°C) | 3.1 in | |
| June | 67°F (19°C) | 1.8 in | |
| July | 71°F (22°C) | 0.6 in | Warmest, Driest |
| August | 71°F (22°C) | 0.6 in | |
| September | 68°F (20°C) | 1.8 in | |
| October | 62°F (16°C) | 4.1 in | |
| November | 55°F (13°C) | 4.3 in | |
| December | 50°F (10°C) | 5.2 in |
Castelo Viegas has a seasonal temperature swing of 23°F / from 48°F in January to 71°F in July. Total annual precipitation is 38.1 inches, with January being the wettest month (5.4") and July the driest (0.6").