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Weather & Climate in Claro, Switzerland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Claro has a cool climate with an average annual temperature of 45°F (7°C). Winters average 31°F in January while summers reach 60°F in July. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 56.5 inches (wetter than the 38-inch national average). The area receives 8.5 inches of snow annually. The city sits at an elevation of 965 feet.
Temperature
31°F Jan (-0°C)
60°F Jul (16°C)
| Annual Average | 44.6°F |
| 17% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 965 ft (294 m) |
| Area | 63.7 sq mi (165.0 km²) |
| Population Density | 36/sq mi |
| Coordinates | 46.2576°N, 9.0225°W |
| Timezone | Europe/Zurich |
Precipitation & Snow
Air Quality
Earthquake History
771 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 | 101 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 | 140 km | 14 km |
| Nov 20, 1991 | 1 km WSW of Churwalden, Switzerland | M4.7 | 69 km | 10 km |
| Jan 4, 2009 | 3 km S of Wildhaus, Switzerland | M4.5 | 105 km | 3 km |
| Apr 6, 2000 | 11 km WSW of Tubre, Italy | M4.5 | 107 km | 5 km |
| Oct 1, 2001 | 11 km WSW of Tubre, Italy | M4.5 | 107 km | 10 km |
| Feb 17, 1992 | 4 km NNE of Scharans, Switzerland | M4.5 | 65 km | 10 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 77 km | 8 km |
| May 8, 1992 | 2 km WSW of Sennwald, Switzerland | M4.4 | 116 km | 5 km |
| May 15, 1992 | 1 km W of Sennwald, Switzerland | M4.4 | 117 km | 5 km |
| May 8, 1992 | 0 km NNW of Sennwald, Switzerland | M4.4 | 118 km | 5 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 64 km | 10 km |
| Nov 22, 1997 | 4 km SSW of Krummenau, Switzerland | M4.4 | 106 km | 10 km |
| Mar 31, 1996 | 7 km NNW of Bionaz, Italy | M4.3 | 130 km | 5 km |
| May 6, 2003 | 7 km WSW of Linthal, Switzerland | M4.3 | 72 km | 6 km |
| Apr 29, 2003 | 2 km SSW of Varen, Switzerland | M4.3 | 109 km | 8 km |
| Dec 31, 1999 | 11 km WSW of Tubre, Italy | M4.3 | 107 km | 10 km |
| Nov 16, 1995 | 1 km ENE of Einsiedeln, Switzerland | M4.3 | 99 km | 5 km |
| Feb 11, 2012 | 2 km WNW of Unterägeri, Switzerland | M4.2 | 105 km | 32 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
4 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 | 102 km |
| 1601 | LAKE LUCERNE | Eruption + Earthquake | 4.0 m | 8 | 72 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | - | 96 km |
| 1868 | LAKE GARDA | Earthquake | - | - | 144 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 3.1 in | Coldest |
| February | 32°F (0°C) | 2.4 in | Driest |
| March | 37°F (3°C) | 3.5 in | |
| April | 41°F (5°C) | 5.0 in | |
| May | 50°F (10°C) | 6.1 in | |
| June | 56°F (13°C) | 6.1 in | Wettest |
| July | 60°F (16°C) | 5.5 in | Warmest |
| August | 60°F (16°C) | 5.9 in | |
| September | 54°F (12°C) | 6.0 in | |
| October | 46°F (8°C) | 5.7 in | |
| November | 37°F (3°C) | 4.1 in | |
| December | 32°F (0°C) | 3.0 in |
Claro has a seasonal temperature swing of 29°F / from 31°F in January to 60°F in July. Total annual precipitation is 56.4 inches, with June being the wettest month (6.1") and February the driest (2.4").