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Weather & Climate in Schwellbrunn, Switzerland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Schwellbrunn experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 35°F in January while summers reach 66°F in July. The area gets 249 sunny days per year, above the national average. Annual precipitation totals 62.7 inches (wetter than the 38-inch national average). The area receives 32.5 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 3,156 feet.
Temperature
35°F Jan (2°C)
66°F Jul (19°C)
| Annual Average | 50.4°F |
| 7% below US avg | |
| January Average | 35°F (2°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 249 days/yr |
Geography
| Elevation | 3,156 ft (962 m) |
| Area | 9.6 sq mi (24.9 km²) |
| Population Density | 158/sq mi |
| Coordinates | 47.3526°N, 9.2489°W |
| Timezone | Europe/Zurich |
Precipitation & Snow
Air Quality
Earthquake History
638 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Dec 29, 1999 | 12 km N of Isolaccia, Italy | M4.8 | 116 km | 10 km |
| Mar 31, 1994 | 2 km W of Warth, Austria | M4.7 | 69 km | 14 km |
| Nov 20, 1991 | 1 km WSW of Churwalden, Switzerland | M4.7 | 67 km | 10 km |
| Mar 22, 2003 | 2 km WSW of Albstadt, Germany | M4.7 | 97 km | 6 km |
| Jun 5, 1997 | 2 km ESE of Namlos, Austria | M4.6 | 109 km | 5 km |
| Jan 4, 2009 | 3 km S of Wildhaus, Switzerland | M4.5 | 21 km | 3 km |
| Feb 17, 1992 | 4 km NNE of Scharans, Switzerland | M4.5 | 69 km | 10 km |
| Oct 1, 2001 | 11 km WSW of Tubre, Italy | M4.5 | 116 km | 10 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 62 km | 8 km |
| Apr 6, 2000 | 11 km WSW of Tubre, Italy | M4.5 | 117 km | 5 km |
| Nov 22, 1997 | 4 km SSW of Krummenau, Switzerland | M4.4 | 18 km | 10 km |
| May 8, 1992 | 0 km NNW of Sennwald, Switzerland | M4.4 | 21 km | 5 km |
| May 15, 1992 | 1 km W of Sennwald, Switzerland | M4.4 | 21 km | 5 km |
| May 8, 1992 | 2 km WSW of Sennwald, Switzerland | M4.4 | 20 km | 5 km |
| May 6, 2003 | 7 km WSW of Linthal, Switzerland | M4.3 | 57 km | 6 km |
| Dec 31, 1999 | 11 km WSW of Tubre, Italy | M4.3 | 117 km | 10 km |
| Nov 16, 1995 | 1 km ENE of Einsiedeln, Switzerland | M4.3 | 44 km | 5 km |
| Jun 4, 2024 | 2 km NNW of Unteriberg, Switzerland | M4.2 | 45 km | 5 km |
| Jan 21, 2008 | 4 km N of Cazis, Switzerland | M4.2 | 67 km | 8 km |
| May 14, 1999 | 9 km NW of Brienz, Switzerland | M4.2 | 116 km | 5 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 | 136 km |
| 1601 | LAKE LUCERNE | Eruption + Earthquake | 4.0 m | 8 | 84 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | — | 119 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 2.5 in | Driest |
| February | 33°F (0°C) | 2.8 in | Coldest |
| March | 39°F (4°C) | 2.9 in | |
| April | 45°F (7°C) | 3.9 in | |
| May | 54°F (12°C) | 4.6 in | |
| June | 59°F (15°C) | 5.8 in | |
| July | 66°F (19°C) | 5.9 in | Warmest, Wettest |
| August | 62°F (17°C) | 5.5 in | |
| September | 56°F (13°C) | 4.3 in | |
| October | 48°F (9°C) | 3.3 in | |
| November | 38°F (3°C) | 3.7 in | |
| December | 33°F (1°C) | 3.2 in |
Schwellbrunn has a seasonal temperature swing of 34°F / from 33°F in February to 66°F in July. Total annual precipitation is 48.2 inches, with July being the wettest month (5.9") and January the driest (2.5").