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Weather & Climate in Unterägeri, Switzerland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Unterägeri 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 2,385 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 | 2,385 ft (727 m) |
| Area | 11.8 sq mi (30.4 km²) |
| Population Density | 679/sq mi |
| Coordinates | 47.1365°N, 8.5853°W |
| Timezone | Europe/Zurich |
Precipitation & Snow
Air Quality
Earthquake History
874 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 | 144 km | 10 km |
| Feb 14, 1999 | 3 km NNE of Belfaux, Switzerland | M4.7 | 115 km | 10 km |
| Nov 20, 1991 | 1 km WSW of Churwalden, Switzerland | M4.7 | 81 km | 10 km |
| Mar 31, 1994 | 2 km W of Warth, Austria | M4.7 | 119 km | 14 km |
| Mar 22, 2003 | 2 km WSW of Albstadt, Germany | M4.7 | 123 km | 6 km |
| Jan 4, 2009 | 3 km S of Wildhaus, Switzerland | M4.5 | 59 km | 3 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 27 km | 8 km |
| Oct 1, 2001 | 11 km WSW of Tubre, Italy | M4.5 | 144 km | 10 km |
| Apr 6, 2000 | 11 km WSW of Tubre, Italy | M4.5 | 145 km | 5 km |
| Feb 17, 1992 | 4 km NNE of Scharans, Switzerland | M4.5 | 80 km | 10 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 131 km | 10 km |
| May 8, 1992 | 0 km NNW of Sennwald, Switzerland | M4.4 | 70 km | 5 km |
| May 8, 1992 | 2 km WSW of Sennwald, Switzerland | M4.4 | 68 km | 5 km |
| Nov 22, 1997 | 4 km SSW of Krummenau, Switzerland | M4.4 | 44 km | 10 km |
| Mar 22, 2023 | 1 km NW of Pont-de-Roide, France | M4.4 | 141 km | 12 km |
| May 15, 1992 | 1 km W of Sennwald, Switzerland | M4.4 | 70 km | 5 km |
| Nov 16, 1995 | 1 km ENE of Einsiedeln, Switzerland | M4.3 | 13 km | 5 km |
| May 6, 2003 | 7 km WSW of Linthal, Switzerland | M4.3 | 36 km | 6 km |
| Dec 31, 1999 | 11 km WSW of Tubre, Italy | M4.3 | 145 km | 10 km |
| Apr 29, 2003 | 2 km SSW of Varen, Switzerland | M4.3 | 120 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 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 | 38 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | — | 65 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.4 in | Coldest, Driest |
| February | 33°F (1°C) | 3.9 in | |
| March | 38°F (4°C) | 3.8 in | |
| April | 44°F (6°C) | 4.4 in | |
| May | 52°F (11°C) | 5.1 in | |
| June | 57°F (14°C) | 6.7 in | |
| July | 61°F (16°C) | 6.8 in | Warmest, Wettest |
| August | 61°F (16°C) | 6.5 in | |
| September | 55°F (13°C) | 4.7 in | |
| October | 47°F (9°C) | 4.3 in | |
| November | 38°F (3°C) | 4.6 in | |
| December | 33°F (1°C) | 4.1 in |
Unterägeri has a seasonal temperature swing of 31°F / from 30°F in January to 61°F in July. Total annual precipitation is 58.2 inches, with July being the wettest month (6.8") and January the driest (3.4").