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Weather & Climate in Ostermundigen, Switzerland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ostermundigen 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 1,804 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 | 1,804 ft (550 m) |
| Area | 6.9 sq mi (17.8 km²) |
| Population Density | 0/sq mi |
| Coordinates | 46.9569°N, 7.4902°W |
| Timezone | Europe/Zurich |
Precipitation & Snow
Air Quality
Earthquake History
821 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 | 30 km | 10 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 95 km | 8 km |
| Dec 14, 1994 | 7 km SSE of Amancy, France | M4.5 | 137 km | 10 km |
| Jan 4, 2009 | 3 km S of Wildhaus, Switzerland | M4.5 | 144 km | 3 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 125 km | 10 km |
| May 24, 1995 | 7 km NE of Le Chenit, Switzerland | M4.4 | 96 km | 6 km |
| Mar 22, 2023 | 1 km NW of Pont-de-Roide, France | M4.4 | 74 km | 12 km |
| Feb 23, 2004 | 5 km SSE of Roulans, France | M4.4 | 99 km | 17 km |
| Nov 22, 1997 | 4 km SSW of Krummenau, Switzerland | M4.4 | 129 km | 10 km |
| Mar 31, 1996 | 7 km NNW of Bionaz, Italy | M4.3 | 114 km | 5 km |
| May 6, 2003 | 7 km WSW of Linthal, Switzerland | M4.3 | 107 km | 6 km |
| Nov 16, 1995 | 1 km ENE of Einsiedeln, Switzerland | M4.3 | 98 km | 5 km |
| Apr 29, 2003 | 2 km SSW of Varen, Switzerland | M4.3 | 74 km | 8 km |
| Feb 11, 2012 | 2 km WNW of Unterägeri, Switzerland | M4.2 | 83 km | 32 km |
| Jun 4, 2024 | 2 km NNW of Unteriberg, Switzerland | M4.2 | 100 km | 5 km |
| Dec 30, 1992 | 2 km SW of Ühlingen-Birkendorf, Germany | M4.2 | 102 km | 33 km |
| Jun 28, 2004 | 2 km NNW of Brugg, Switzerland | M4.2 | 81 km | 20 km |
| May 20, 1999 | 4 km SSE of Plaffeien, Switzerland | M4.2 | 32 km | 2 km |
| Aug 24, 1996 | 1 km E of Sirnach, Switzerland | M4.2 | 128 km | 20 km |
| May 12, 2005 | 1 km NW of Oensingen, Switzerland | M4.2 | 41 km | 25 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 | 79 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | — | 44 km |
| 563 | LAKE GENEVA | Meteorological | — | — | 84 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (0°C) | 2.7 in | Coldest, Driest |
| February | 34°F (1°C) | 2.8 in | |
| March | 40°F (4°C) | 2.7 in | |
| April | 45°F (7°C) | 3.3 in | |
| May | 54°F (12°C) | 4.3 in | |
| June | 59°F (15°C) | 4.9 in | Wettest |
| July | 66°F (19°C) | 4.3 in | Warmest |
| August | 63°F (17°C) | 4.3 in | |
| September | 56°F (14°C) | 3.5 in | |
| October | 48°F (9°C) | 3.5 in | |
| November | 39°F (4°C) | 3.5 in | |
| December | 33°F (1°C) | 3.1 in |
Ostermundigen has a seasonal temperature swing of 33°F / from 32°F in January to 66°F in July. Total annual precipitation is 42.9 inches, with June being the wettest month (4.9") and January the driest (2.7").