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Weather & Climate in Valongo, Portugal
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Valongo enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 49°F in January while summers reach 68°F in July / relatively mild seasonal variation. The area gets 258 sunny days per year, above the national average. Annual precipitation totals 43.0 inches. The city sits at an elevation of 240 feet.
Temperature
49°F Jan (9°C)
68°F Jul (20°C)
| Annual Average | 58.8°F |
| 9% above US avg | |
| January Average | 49°F (9°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 258 days/yr |
Geography
| Elevation | 240 ft (73 m) |
| Area | 19.4 sq mi (50.3 km²) |
| Population Density | 262/sq mi |
| Coordinates | 40.6167°N, 8.4500°W |
| Timezone | Europe/Lisbon |
Precipitation & Snow
Air Quality
Earthquake History
71 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Apr 3, 1995 | 4 km E of Tocha, Portugal | M3.9 | 39 km | 5 km |
| Aug 20, 1998 | 13 km SSE of Mêda, Portugal | M3.8 | 108 km | 11 km |
| Apr 10, 2001 | 6 km SSE of Louriçal, Portugal | M3.7 | 77 km | 10 km |
| Jan 21, 2002 | 21 km E of Sobreira, Portugal | M3.6 | 125 km | 7 km |
| Nov 24, 1993 | Portugal | M3.6 | 85 km | 10 km |
| Aug 11, 1993 | 3 km SSW of Vilela, Portugal | M3.6 | 95 km | 10 km |
| Feb 1, 2017 | 4 km WSW of Porto de Mós, Portugal | M3.6 | 119 km | 11 km |
| Apr 30, 1999 | 7 km WNW of Marinha Grande, Portugal | M3.6 | 106 km | 10 km |
| Jun 22, 1993 | 18 km W of Espinho, Portugal | M3.5 | 53 km | 10 km |
| Jun 20, 1991 | 3 km SE of Tavarede, Portugal | M3.5 | 61 km | 20 km |
| Aug 18, 1998 | 11 km SSE of Mêda, Portugal | M3.5 | 107 km | 8 km |
| Dec 31, 1996 | 4 km N of Luso, Portugal | M3.5 | 22 km | 10 km |
| May 10, 1990 | 69 km W of Gafanha da Encarnação, Portugal | M3.5 | 93 km | 10 km |
| Oct 30, 2001 | 19 km E of Sobreira, Portugal | M3.4 | 124 km | 12 km |
| Oct 20, 1994 | 3 km SSE of Peso da Régua, Portugal | M3.4 | 80 km | 10 km |
| Oct 7, 1993 | 8 km NNW of Campo de Besteiros, Portugal | M3.4 | 24 km | 10 km |
| Nov 10, 1997 | 29 km WSW of Buarcos, Portugal | M3.4 | 87 km | 10 km |
| May 2, 2015 | 1 km WSW of Arcos, Portugal | M3.3 | 100 km | 21 km |
| Jun 13, 1997 | 5 km SSW of Favaios, Portugal | M3.2 | 103 km | 10 km |
| Dec 10, 1992 | 2 km NNW of Favaios, Portugal | M3.2 | 108 km | 30 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (9°C) | 6.3 in | Coldest, Wettest |
| February | 50°F (10°C) | 5.0 in | |
| March | 54°F (12°C) | 4.2 in | |
| April | 57°F (14°C) | 3.5 in | |
| May | 60°F (16°C) | 3.4 in | |
| June | 65°F (19°C) | 1.8 in | |
| July | 68°F (20°C) | 0.6 in | Driest |
| August | 68°F (20°C) | 0.7 in | Warmest |
| September | 67°F (19°C) | 2.0 in | |
| October | 61°F (16°C) | 4.3 in | |
| November | 55°F (13°C) | 5.1 in | |
| December | 50°F (10°C) | 6.1 in |
Valongo has a seasonal temperature swing of 20°F / from 49°F in January to 68°F in August. Total annual precipitation is 43.0 inches, with January being the wettest month (6.3") and July the driest (0.6").