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Weather & Climate in Castelo Branco, Portugal
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Castelo Branco enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 48°F in January while summers reach 76°F in July. The area gets 284 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 28.8 inches (drier than the 38-inch national average). The city sits at an elevation of 1,217 feet.
Temperature
48°F Jan (9°C)
76°F Jul (25°C)
| Annual Average | 61.2°F |
| 13% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 284 days/yr |
Geography
| Elevation | 1,217 ft (371 m) |
| Area | 102.6 sq mi (265.7 km²) |
| Population Density | 326/sq mi |
| Coordinates | 39.8236°N, 7.4910°W |
| Timezone | Europe/Lisbon |
Precipitation & Snow
Air Quality
Earthquake History
63 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Jan 15, 2018 | 25 km NNW of Évora, Portugal | M4.1 | 122 km | 11 km |
| Mar 27, 2010 | 13 km SE of Vale da Amoreira, Portugal | M4.1 | 96 km | 15 km |
| Apr 3, 1995 | 4 km E of Tocha, Portugal | M3.9 | 116 km | 5 km |
| Aug 20, 1998 | 13 km SSE of Mêda, Portugal | M3.8 | 117 km | 11 km |
| Jul 31, 1998 | 23 km W of Estremoz, Portugal | M3.8 | 111 km | 5 km |
| Apr 10, 2001 | 6 km SSE of Louriçal, Portugal | M3.7 | 104 km | 10 km |
| Apr 30, 1999 | 7 km WNW of Marinha Grande, Portugal | M3.6 | 130 km | 10 km |
| Feb 1, 2017 | 4 km WSW of Porto de Mós, Portugal | M3.6 | 120 km | 11 km |
| Feb 18, 1990 | 2 km ENE of Abrigada, Portugal | M3.6 | 149 km | 10 km |
| Jan 19, 1997 | 9 km WNW of Redondo, Portugal | M3.6 | 127 km | 10 km |
| Jun 20, 1991 | 3 km SE of Tavarede, Portugal | M3.5 | 118 km | 20 km |
| Dec 31, 1996 | 4 km N of Luso, Portugal | M3.5 | 101 km | 10 km |
| Aug 18, 1998 | 11 km SSE of Mêda, Portugal | M3.5 | 119 km | 8 km |
| Oct 20, 1994 | 3 km SSE of Peso da Régua, Portugal | M3.4 | 147 km | 10 km |
| Oct 7, 1993 | 8 km NNW of Campo de Besteiros, Portugal | M3.4 | 107 km | 10 km |
| Nov 10, 1997 | 29 km WSW of Buarcos, Portugal | M3.4 | 148 km | 10 km |
| Mar 20, 2002 | 13 km NNE of Montemor-o-Novo, Portugal | M3.3 | 132 km | 12 km |
| Jul 31, 1998 | 18 km WSW of Estremoz, Portugal | M3.2 | 116 km | 0 km |
| Sep 30, 1994 | Portugal | M3.2 | 109 km | 10 km |
| Jun 13, 1997 | 3 km NE of Borba, Portugal | M3.2 | 112 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) | 4.2 in | Coldest, Wettest |
| February | 51°F (10°C) | 2.9 in | |
| March | 55°F (13°C) | 4.0 in | |
| April | 58°F (14°C) | 2.4 in | |
| May | 63°F (17°C) | 2.0 in | |
| June | 72°F (22°C) | 0.9 in | |
| July | 76°F (25°C) | 0.2 in | Driest |
| August | 76°F (25°C) | 0.3 in | Warmest |
| September | 71°F (22°C) | 1.3 in | |
| October | 63°F (17°C) | 2.8 in | |
| November | 54°F (12°C) | 3.7 in | |
| December | 49°F (9°C) | 4.1 in |
Castelo Branco has a seasonal temperature swing of 28°F / from 48°F in January to 76°F in August. Total annual precipitation is 28.8 inches, with January being the wettest month (4.2") and July the driest (0.2").