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Weather & Climate in Hermiswil, Switzerland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hermiswil experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 32°F in January while summers reach 66°F in July. The area gets 267 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 53.7 inches (wetter than the 38-inch national average). The area receives 26.1 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 2,805 feet.
Temperature
32°F Jan (0°C)
66°F Jul (19°C)
| Annual Average | 49.3°F |
| 9% below US avg | |
| January Average | 32°F (0°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 267 days/yr |
Geography
| Elevation | 2,805 ft (855 m) |
| Area | 3.5 sq mi (8.9 km²) |
| Population Density | 915/sq mi |
| Coordinates | 46.8313°N, 7.4778°W |
| Timezone | Europe/Zurich |
Precipitation & Snow
Air Quality
Earthquake History
842 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 | 26 km | 10 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 97 km | 8 km |
| Jan 4, 2009 | 3 km S of Wildhaus, Switzerland | M4.5 | 148 km | 3 km |
| Jul 15, 1996 | 3 km NE of Chilly, France | M4.5 | 147 km | 5 km |
| Dec 14, 1994 | 7 km SSE of Amancy, France | M4.5 | 125 km | 10 km |
| May 24, 1995 | 7 km NE of Le Chenit, Switzerland | M4.4 | 91 km | 6 km |
| Feb 23, 2004 | 5 km SSE of Roulans, France | M4.4 | 104 km | 17 km |
| Mar 22, 2023 | 1 km NW of Pont-de-Roide, France | M4.4 | 83 km | 12 km |
| Jul 23, 1996 | 4 km W of Choisy, France | M4.4 | 146 km | 10 km |
| Nov 22, 1997 | 4 km SSW of Krummenau, Switzerland | M4.4 | 134 km | 10 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 114 km | 10 km |
| May 6, 2003 | 7 km WSW of Linthal, Switzerland | M4.3 | 108 km | 6 km |
| Apr 29, 2003 | 2 km SSW of Varen, Switzerland | M4.3 | 60 km | 8 km |
| Nov 16, 1995 | 1 km ENE of Einsiedeln, Switzerland | M4.3 | 103 km | 5 km |
| Mar 31, 1996 | 7 km NNW of Bionaz, Italy | M4.3 | 100 km | 5 km |
| Jun 28, 2004 | 2 km NNW of Brugg, Switzerland | M4.2 | 92 km | 20 km |
| Jun 4, 2024 | 2 km NNW of Unteriberg, Switzerland | M4.2 | 104 km | 5 km |
| Feb 11, 2012 | 2 km WNW of Unterägeri, Switzerland | M4.2 | 89 km | 32 km |
| May 14, 1999 | 9 km NW of Brienz, Switzerland | M4.2 | 35 km | 5 km |
| Jan 21, 2008 | 4 km N of Cazis, Switzerland | M4.2 | 150 km | 8 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 | 78 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | — | 39 km |
| 563 | LAKE GENEVA | Meteorological | — | — | 73 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (0°C) | 3.9 in | |
| February | 30°F (-1°C) | 4.1 in | Coldest |
| March | 34°F (1°C) | 3.4 in | Driest |
| April | 39°F (4°C) | 3.7 in | |
| May | 48°F (9°C) | 4.3 in | |
| June | 53°F (12°C) | 5.0 in | Wettest |
| July | 66°F (19°C) | 4.5 in | Warmest |
| August | 58°F (14°C) | 4.5 in | |
| September | 52°F (11°C) | 3.7 in | |
| October | 45°F (7°C) | 4.0 in | |
| November | 35°F (2°C) | 4.3 in | |
| December | 31°F (-1°C) | 4.5 in |
Hermiswil has a seasonal temperature swing of 36°F / from 30°F in February to 66°F in July. Total annual precipitation is 49.9 inches, with June being the wettest month (5.0") and March the driest (3.4").