All Countries
Weather & Climate in Biasca, Switzerland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Biasca has a cool climate with an average annual temperature of 43°F (6°C). Winters average 30°F in January while summers reach 58°F in July. The area gets 228 sunny days per year, above the national average. Annual precipitation totals 59.6 inches (wetter than the 38-inch national average). The area receives 17.7 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 1,001 feet.
Temperature
30°F Jan (-1°C)
58°F Jul (14°C)
| Annual Average | 42.5°F |
| 21% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 58°F (14°C) |
| Sunny Days | 228 days/yr |
Geography
| Elevation | 1,001 ft (305 m) |
| Area | 22.8 sq mi (59.0 km²) |
| Population Density | 258/sq mi |
| Coordinates | 46.3597°N, 8.9697°W |
| Timezone | Europe/Zurich |
Precipitation & Snow
Air Quality
Earthquake History
777 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Oct 29, 1995 | 0 km WNW of Adro, Italy | M4.9 | 112 km | 10 km |
| Dec 29, 1999 | 12 km N of Isolaccia, Italy | M4.8 | 106 km | 10 km |
| Mar 31, 1994 | 2 km W of Warth, Austria | M4.7 | 134 km | 14 km |
| Nov 20, 1991 | 1 km WSW of Churwalden, Switzerland | M4.7 | 63 km | 10 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 65 km | 8 km |
| Feb 17, 1992 | 4 km NNE of Scharans, Switzerland | M4.5 | 59 km | 10 km |
| Oct 1, 2001 | 11 km WSW of Tubre, Italy | M4.5 | 107 km | 10 km |
| Apr 6, 2000 | 11 km WSW of Tubre, Italy | M4.5 | 108 km | 5 km |
| Jan 4, 2009 | 3 km S of Wildhaus, Switzerland | M4.5 | 95 km | 3 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 67 km | 10 km |
| May 8, 1992 | 0 km NNW of Sennwald, Switzerland | M4.4 | 109 km | 5 km |
| May 15, 1992 | 1 km W of Sennwald, Switzerland | M4.4 | 108 km | 5 km |
| May 8, 1992 | 2 km WSW of Sennwald, Switzerland | M4.4 | 106 km | 5 km |
| Nov 22, 1997 | 4 km SSW of Krummenau, Switzerland | M4.4 | 95 km | 10 km |
| Apr 29, 2003 | 2 km SSW of Varen, Switzerland | M4.3 | 105 km | 8 km |
| May 6, 2003 | 7 km WSW of Linthal, Switzerland | M4.3 | 60 km | 6 km |
| Dec 31, 1999 | 11 km WSW of Tubre, Italy | M4.3 | 107 km | 10 km |
| Mar 31, 1996 | 7 km NNW of Bionaz, Italy | M4.3 | 130 km | 5 km |
| Nov 16, 1995 | 1 km ENE of Einsiedeln, Switzerland | M4.3 | 87 km | 5 km |
| Jun 28, 2004 | 2 km NNW of Brugg, Switzerland | M4.2 | 140 km | 20 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 95.0 m (312 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1987 | VALTELLINA | Meteorological | 95.0 m | 27 | 105 km |
| 1601 | LAKE LUCERNE | Eruption + Earthquake | 4.0 m | 8 | 61 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | - | 87 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.4 in | Coldest |
| February | 30°F (-1°C) | 2.8 in | Driest |
| March | 35°F (1°C) | 3.7 in | |
| April | 39°F (4°C) | 5.3 in | |
| May | 47°F (8°C) | 6.1 in | |
| June | 53°F (12°C) | 6.4 in | Wettest |
| July | 58°F (14°C) | 6.1 in | Warmest |
| August | 58°F (14°C) | 6.3 in | |
| September | 52°F (11°C) | 6.0 in | |
| October | 44°F (7°C) | 5.6 in | |
| November | 35°F (2°C) | 4.4 in | |
| December | 31°F (-1°C) | 3.4 in |
Biasca has a seasonal temperature swing of 29°F / from 30°F in January to 58°F in July. Total annual precipitation is 59.6 inches, with June being the wettest month (6.4") and February the driest (2.8").