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Weather & Climate in Alpnach, Switzerland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Alpnach experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 30°F in January while summers reach 61°F in July. The area gets 254 sunny days per year, above the national average. Annual precipitation totals 98.8 inches (wetter than the 38-inch national average). The area receives 160.2 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 1,519 feet.
Temperature
30°F Jan (-1°C)
61°F Jul (16°C)
| Annual Average | 46.3°F |
| 14% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 254 days/yr |
Geography
| Elevation | 1,519 ft (463 m) |
| Area | 20.7 sq mi (53.7 km²) |
| Population Density | 252/sq mi |
| Coordinates | 46.9423°N, 8.2718°W |
| Timezone | Europe/Zurich |
Precipitation & Snow
Air Quality
Earthquake History
885 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Feb 14, 1999 | 3 km NNE of Belfaux, Switzerland | M4.7 | 87 km | 10 km |
| Nov 20, 1991 | 1 km WSW of Churwalden, Switzerland | M4.7 | 97 km | 10 km |
| Mar 31, 1994 | 2 km W of Warth, Austria | M4.7 | 147 km | 14 km |
| Jan 4, 2009 | 3 km S of Wildhaus, Switzerland | M4.5 | 86 km | 3 km |
| Feb 17, 1992 | 4 km NNE of Scharans, Switzerland | M4.5 | 94 km | 10 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 36 km | 8 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 107 km | 10 km |
| May 8, 1992 | 0 km NNW of Sennwald, Switzerland | M4.4 | 100 km | 5 km |
| Mar 22, 2023 | 1 km NW of Pont-de-Roide, France | M4.4 | 125 km | 12 km |
| May 15, 1992 | 1 km W of Sennwald, Switzerland | M4.4 | 99 km | 5 km |
| Nov 22, 1997 | 4 km SSW of Krummenau, Switzerland | M4.4 | 73 km | 10 km |
| May 8, 1992 | 2 km WSW of Sennwald, Switzerland | M4.4 | 97 km | 5 km |
| Apr 29, 2003 | 2 km SSW of Varen, Switzerland | M4.3 | 88 km | 8 km |
| May 6, 2003 | 7 km WSW of Linthal, Switzerland | M4.3 | 48 km | 6 km |
| Mar 31, 1996 | 7 km NNW of Bionaz, Italy | M4.3 | 131 km | 5 km |
| Nov 16, 1995 | 1 km ENE of Einsiedeln, Switzerland | M4.3 | 43 km | 5 km |
| Jun 4, 2024 | 2 km NNW of Unteriberg, Switzerland | M4.2 | 43 km | 5 km |
| May 14, 1999 | 9 km NW of Brienz, Switzerland | M4.2 | 29 km | 5 km |
| May 20, 1999 | 4 km SSE of Plaffeien, Switzerland | M4.2 | 79 km | 2 km |
| Aug 22, 2003 | 6 km NNW of Savièse, Switzerland | M4.2 | 103 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1601 | LAKE LUCERNE | Eruption + Earthquake | 4.0 m | 8 | 24 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | — | 33 km |
| 563 | LAKE GENEVA | Meteorological | — | — | 128 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.7 in | Coldest, Driest |
| February | 32°F (0°C) | 4.0 in | |
| March | 37°F (3°C) | 4.1 in | |
| April | 42°F (6°C) | 4.5 in | |
| May | 51°F (10°C) | 5.0 in | |
| June | 56°F (13°C) | 6.4 in | Wettest |
| July | 61°F (16°C) | 6.3 in | Warmest |
| August | 60°F (16°C) | 6.1 in | |
| September | 54°F (12°C) | 4.4 in | |
| October | 46°F (8°C) | 4.4 in | |
| November | 37°F (3°C) | 4.6 in | |
| December | 33°F (0°C) | 4.3 in |
Alpnach has a seasonal temperature swing of 31°F / from 30°F in January to 61°F in July. Total annual precipitation is 57.6 inches, with June being the wettest month (6.4") and January the driest (3.7").