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Weather & Climate in Tanay, Switzerland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tanay has a cool climate with an average annual temperature of 40°F (4°C). Winters average 22°F in January while summers reach 55°F in July. The area gets 269 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 80.8 inches (wetter than the 38-inch national average). The area receives 176.4 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 4,705 feet.
Temperature
22°F Jan (-5°C)
55°F Jul (13°C)
| Annual Average | 39.5°F |
| 27% below US avg | |
| January Average | 22°F (-5°C) |
| July Average | 55°F (13°C) |
| Sunny Days | 269 days/yr |
Geography
| Elevation | 4,705 ft (1,434 m) |
| Area | 12.9 sq mi (33.5 km²) |
| Population Density | 87/sq mi |
| Coordinates | 46.3450°N, 6.8304°W |
| Timezone | Europe/Zurich |
Precipitation & Snow
Air Quality
Earthquake History
884 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 | 61 km | 10 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 82 km | 3 km |
| Dec 14, 1994 | 7 km SSE of Amancy, France | M4.5 | 52 km | 10 km |
| Jul 15, 1996 | 3 km NE of Chilly, France | M4.5 | 75 km | 5 km |
| Feb 23, 2004 | 5 km SSE of Roulans, France | M4.4 | 112 km | 17 km |
| Jul 23, 1996 | 4 km W of Choisy, France | M4.4 | 74 km | 10 km |
| May 24, 1995 | 7 km NE of Le Chenit, Switzerland | M4.4 | 52 km | 6 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 120 km | 10 km |
| Mar 22, 2023 | 1 km NW of Pont-de-Roide, France | M4.4 | 117 km | 12 km |
| Mar 31, 1996 | 7 km NNW of Bionaz, Italy | M4.3 | 63 km | 5 km |
| Apr 29, 2003 | 2 km SSW of Varen, Switzerland | M4.3 | 59 km | 8 km |
| Jun 30, 2010 | 3 km NW of Saint-Martin-de-Belleville, France | M4.3 | 108 km | 2 km |
| May 14, 1999 | 9 km NW of Brienz, Switzerland | M4.2 | 99 km | 5 km |
| May 12, 2005 | 1 km NW of Oensingen, Switzerland | M4.2 | 125 km | 25 km |
| May 14, 2004 | 0 km SSE of Chiusa di San Michele, Italy | M4.2 | 144 km | 10 km |
| Aug 22, 2003 | 6 km NNW of Savièse, Switzerland | M4.2 | 36 km | 4 km |
| May 20, 1999 | 4 km SSE of Plaffeien, Switzerland | M4.2 | 53 km | 2 km |
| Jan 11, 2006 | 1 km S of Saint-Rambert-en-Bugey, France | M4.1 | 117 km | 5 km |
| Jun 21, 2004 | 1 km WSW of Frenkendorf, Switzerland | M4.1 | 144 km | 22 km |
| Oct 7, 1995 | 1 km SSE of Grolley, Switzerland | M4.1 | 57 km | 10 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 | 137 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | — | 97 km |
| 563 | LAKE GENEVA | Meteorological | — | — | 2 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-5°C) | 4.0 in | Coldest |
| February | 36°F (2°C) | 4.0 in | |
| March | 40°F (4°C) | 3.6 in | Driest |
| April | 45°F (7°C) | 3.9 in | |
| May | 53°F (12°C) | 4.4 in | |
| June | 59°F (15°C) | 5.3 in | Wettest |
| July | 55°F (13°C) | 4.4 in | |
| August | 64°F (18°C) | 4.4 in | Warmest |
| September | 58°F (14°C) | 4.3 in | |
| October | 49°F (10°C) | 4.3 in | |
| November | 41°F (5°C) | 4.6 in | |
| December | 37°F (3°C) | 4.4 in |
Tanay has a seasonal temperature swing of 42°F / from 22°F in January to 64°F in August. Total annual precipitation is 51.4 inches, with June being the wettest month (5.3") and March the driest (3.6").