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Weather & Climate in Bonaduz, Switzerland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bonaduz experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 36°F in January while summers reach 69°F in July. The area gets 255 sunny days per year, above the national average. Annual precipitation totals 92.2 inches (wetter than the 38-inch national average). The area receives 213.0 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 2,159 feet.
Temperature
36°F Jan (2°C)
69°F Jul (20°C)
| Annual Average | 52.2°F |
| 3% below US avg | |
| January Average | 36°F (2°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 255 days/yr |
Geography
| Elevation | 2,159 ft (658 m) |
| Area | 5.2 sq mi (13.4 km²) |
| Population Density | 514/sq mi |
| Coordinates | 46.8110°N, 9.3982°W |
| Timezone | Europe/Zurich |
Precipitation & Snow
Air Quality
Earthquake History
639 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Oct 29, 1995 | 0 km WNW of Adro, Italy | M4.9 | 139 km | 10 km |
| Dec 29, 1999 | 12 km N of Isolaccia, Italy | M4.8 | 73 km | 10 km |
| Jul 17, 2001 | 3 km NNE of Rifiano, Italy | M4.7 | 138 km | 10 km |
| Mar 31, 1994 | 2 km W of Warth, Austria | M4.7 | 75 km | 14 km |
| Nov 20, 1991 | 1 km WSW of Churwalden, Switzerland | M4.7 | 10 km | 10 km |
| Jun 5, 1997 | 2 km ESE of Namlos, Austria | M4.6 | 115 km | 5 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 51 km | 8 km |
| Oct 1, 2001 | 11 km WSW of Tubre, Italy | M4.5 | 74 km | 10 km |
| Jan 4, 2009 | 3 km S of Wildhaus, Switzerland | M4.5 | 41 km | 3 km |
| Feb 17, 1992 | 4 km NNE of Scharans, Switzerland | M4.5 | 9 km | 10 km |
| Apr 6, 2000 | 11 km WSW of Tubre, Italy | M4.5 | 75 km | 5 km |
| May 8, 1992 | 2 km WSW of Sennwald, Switzerland | M4.4 | 49 km | 5 km |
| May 15, 1992 | 1 km W of Sennwald, Switzerland | M4.4 | 51 km | 5 km |
| Nov 22, 1997 | 4 km SSW of Krummenau, Switzerland | M4.4 | 48 km | 10 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 125 km | 10 km |
| May 8, 1992 | 0 km NNW of Sennwald, Switzerland | M4.4 | 51 km | 5 km |
| Apr 29, 2003 | 2 km SSW of Varen, Switzerland | M4.3 | 149 km | 8 km |
| Dec 31, 1999 | 11 km WSW of Tubre, Italy | M4.3 | 74 km | 10 km |
| Nov 16, 1995 | 1 km ENE of Einsiedeln, Switzerland | M4.3 | 60 km | 5 km |
| May 6, 2003 | 7 km WSW of Linthal, Switzerland | M4.3 | 39 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 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 | 87 km |
| 1601 | LAKE LUCERNE | Eruption + Earthquake | 4.0 m | 8 | 68 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | — | 109 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 3.2 in | |
| February | 30°F (-1°C) | 2.9 in | Coldest, Driest |
| March | 35°F (2°C) | 3.3 in | |
| April | 40°F (4°C) | 4.1 in | |
| May | 49°F (9°C) | 4.9 in | |
| June | 54°F (12°C) | 5.9 in | |
| July | 69°F (20°C) | 6.3 in | Warmest, Wettest |
| August | 58°F (14°C) | 6.1 in | |
| September | 52°F (11°C) | 5.4 in | |
| October | 45°F (7°C) | 4.4 in | |
| November | 35°F (2°C) | 4.1 in | |
| December | 30°F (-1°C) | 3.4 in |
Bonaduz has a seasonal temperature swing of 39°F / from 30°F in February to 69°F in July. Total annual precipitation is 54.0 inches, with July being the wettest month (6.3") and February the driest (2.9").