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Weather & Climate in Calheta, Portugal
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Calheta enjoys a temperate climate with an average annual temperature of 62°F (16°C). Winters average 56°F in January while summers reach 68°F in July / relatively mild seasonal variation. The area gets 240 sunny days per year, above the national average. Annual precipitation totals 52.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 69 feet.
Temperature
56°F Jan (13°C)
68°F Jul (20°C)
| Annual Average | 61.5°F |
| 14% above US avg | |
| January Average | 56°F (13°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 240 days/yr |
Geography
| Elevation | 69 ft (21 m) |
| Area | 12.9 sq mi (33.4 km²) |
| Population Density | 293/sq mi |
| Coordinates | 38.6019°N, 28.0179°W |
| Timezone | Atlantic/Azores |
Precipitation & Snow
Air Quality
Earthquake History
73 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Jul 9, 1998 | 12 km N of Horta, Portugal | M6.2 | 53 km | 10 km |
| Jun 27, 1997 | 50 km SE of Porto Martins, Portugal | M5.9 | 120 km | 10 km |
| Jan 11, 2021 | 69 km NW of Castelo Branco, Portugal | M5.4 | 121 km | 10 km |
| Jan 20, 1993 | 49 km W of Castelo Branco, Portugal | M5.4 | 110 km | 10 km |
| Jun 27, 1997 | 51 km SE of Porto Judeu, Portugal | M5.2 | 115 km | 10 km |
| Aug 1, 2000 | 39 km NW of Castelo Branco, Portugal | M5.1 | 89 km | 10 km |
| Jun 28, 1997 | 45 km SE of Porto Judeu, Portugal | M5.1 | 110 km | 10 km |
| Jan 12, 1993 | 45 km WSW of Castelo Branco, Portugal | M5.0 | 106 km | 10 km |
| Jan 14, 2024 | 4 km W of Fonte Bastardo, Portugal | M4.9 | 78 km | 10 km |
| Jan 28, 1993 | 46 km W of Castelo Branco, Portugal | M4.9 | 107 km | 10 km |
| Mar 24, 1996 | 53 km SE of Porto Martins, Portugal | M4.9 | 124 km | 10 km |
| Apr 11, 2014 | 66 km WNW of Mosteiros, Portugal | M4.9 | 142 km | 10 km |
| Aug 27, 1997 | 69 km SE of Porto Martins, Portugal | M4.9 | 136 km | 10 km |
| Feb 23, 1998 | 80 km NW of Castelo Branco, Portugal | M4.8 | 126 km | 10 km |
| Jun 28, 1997 | 49 km SSE of Porto Judeu, Portugal | M4.8 | 111 km | 10 km |
| Jun 14, 2015 | 37 km WNW of Castelo Branco, Portugal | M4.8 | 95 km | 10 km |
| Feb 15, 1993 | 42 km W of Castelo Branco, Portugal | M4.7 | 104 km | 13 km |
| Apr 30, 2015 | 49 km WNW of Castelo Branco, Portugal | M4.7 | 107 km | 10 km |
| Jul 11, 1998 | 9 km WSW of Castelo Branco, Portugal | M4.7 | 70 km | 10 km |
| Feb 16, 1993 | 73 km NW of Castelo Branco, Portugal | M4.7 | 118 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
3 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2012 | Gordon | Category 1 | 81 mph | 275 km |
| 2006 | Gordon | Category 1 | 81 mph | 111 km |
| 1998 | Ivan | Category 1 | 86 mph | 235 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 9.0 m (30 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1641 | AZORES | Unknown | 9.0 m | — | 24 km |
| 1980 | AZORES | Earthquake | 0.4 m | 69 | 27 km |
| 1757 | AZORES | Earthquake | — | 1,053 | 8 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Pico (36 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Pico | Stratovolcano | 2,351 m (7,713 ft) | 1720 | 36 km |
| Graciosa | Stratovolcano | 402 m (1,319 ft) | -1950 | 47 km |
| Fayal | Stratovolcano | 1,043 m (3,422 ft) | 1958 | 62 km |
| Terceira | Stratovolcano(es) | 1,023 m (3,356 ft) | 2000 | 62 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (13°C) | 6.7 in | Wettest |
| February | 55°F (13°C) | 5.2 in | Coldest |
| March | 56°F (13°C) | 5.0 in | |
| April | 57°F (14°C) | 3.8 in | |
| May | 60°F (15°C) | 3.3 in | |
| June | 64°F (18°C) | 2.3 in | |
| July | 68°F (20°C) | 1.9 in | Driest |
| August | 70°F (21°C) | 2.7 in | Warmest |
| September | 69°F (20°C) | 4.3 in | |
| October | 64°F (18°C) | 5.5 in | |
| November | 61°F (16°C) | 5.9 in | |
| December | 58°F (14°C) | 6.3 in |
Calheta has a seasonal temperature swing of 15°F / from 55°F in February to 70°F in August. Total annual precipitation is 52.8 inches, with January being the wettest month (6.7") and July the driest (1.9").