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Weather & Climate in Brongio, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Brongio has a cool climate with an average annual temperature of 39°F (4°C). Winters average 24°F in January while summers reach 55°F in July. The area gets 287 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 72.7 inches (wetter than the 38-inch national average). The area receives 77.7 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 968 feet.
Temperature
24°F Jan (-5°C)
55°F Jul (13°C)
| Annual Average | 38.6°F |
| 29% below US avg | |
| January Average | 24°F (-5°C) |
| July Average | 55°F (13°C) |
| Sunny Days | 287 days/yr |
Geography
| Elevation | 968 ft (295 m) |
| Area | 1.9 sq mi (4.9 km²) |
| Population Density | 614/sq mi |
| Coordinates | 45.7654°N, 9.3125°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,009 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Apr 11, 2003 | 1 km SSW of Carezzano Maggiore, Italy | M5.0 | 113 km | 4 km |
| Aug 21, 2000 | 1 km WNW of Oviglio, Italy | M4.9 | 120 km | 10 km |
| Jan 25, 2012 | 1 km N of Poviglio, Italy | M4.9 | 140 km | 33 km |
| Oct 29, 1995 | 0 km WNW of Adro, Italy | M4.9 | 53 km | 10 km |
| Apr 18, 2005 | 2 km WSW of Marsaglia, Italy | M4.9 | 118 km | 0 km |
| Dec 29, 1999 | 12 km N of Isolaccia, Italy | M4.8 | 120 km | 10 km |
| Mar 5, 2012 | 3 km NNW of Santo Stefano d'Aveto, Italy | M4.7 | 133 km | 9 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 125 km | 0 km |
| Nov 20, 1991 | 1 km WSW of Churwalden, Switzerland | M4.7 | 114 km | 10 km |
| Aug 13, 2019 | 4 km SW of Stazione Valmozzola, Italy | M4.6 | 142 km | 10 km |
| Oct 3, 2012 | 1 km WSW of Lugagnano Val d'Arda, Italy | M4.5 | 112 km | 22 km |
| Oct 15, 1996 | 2 km NE of Poviglio, Italy | M4.5 | 140 km | 10 km |
| Apr 6, 2000 | 11 km WSW of Tubre, Italy | M4.5 | 122 km | 5 km |
| Apr 16, 2020 | 2 km SE of Marsaglia, Italy | M4.5 | 119 km | 10 km |
| Oct 1, 2001 | 11 km WSW of Tubre, Italy | M4.5 | 122 km | 10 km |
| Feb 17, 1992 | 4 km NNE of Scharans, Switzerland | M4.5 | 111 km | 10 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 136 km | 8 km |
| Oct 16, 1996 | 1 km ESE of Cadelbosco di Sotto, Italy | M4.4 | 149 km | 10 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 82 km | 10 km |
| May 6, 2003 | 7 km WSW of Linthal, Switzerland | M4.3 | 130 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 95.0 m (312 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1987 | VALTELLINA | Meteorological | 95.0 m | 27 | 105 km |
| 1601 | LAKE LUCERNE | Eruption + Earthquake | 4.0 m | 8 | 131 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | — | 149 km |
| 1868 | LAKE GARDA | Earthquake | — | — | 108 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-5°C) | 3.0 in | Coldest |
| February | 39°F (4°C) | 2.1 in | Driest |
| March | 46°F (8°C) | 3.2 in | |
| April | 52°F (11°C) | 4.3 in | |
| May | 60°F (15°C) | 5.4 in | Wettest |
| June | 66°F (19°C) | 4.8 in | |
| July | 55°F (13°C) | 3.9 in | |
| August | 71°F (21°C) | 4.7 in | Warmest |
| September | 64°F (18°C) | 5.1 in | |
| October | 54°F (12°C) | 5.2 in | |
| November | 44°F (7°C) | 3.6 in | |
| December | 37°F (3°C) | 2.5 in |
Brongio has a seasonal temperature swing of 47°F / from 24°F in January to 71°F in August. Total annual precipitation is 47.6 inches, with May being the wettest month (5.4") and February the driest (2.1").