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Weather & Climate in Unterkulm, Switzerland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Unterkulm experiences four distinct seasons with an average annual temperature of 53°F (11°C). Winters average 37°F in January while summers reach 69°F in July. The area gets 236 sunny days per year, above the national average. Annual precipitation totals 57.5 inches (wetter than the 38-inch national average). The area receives 22.3 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 1,522 feet.
Temperature
37°F Jan (3°C)
69°F Jul (20°C)
| Annual Average | 52.6°F |
| 3% below US avg | |
| January Average | 37°F (3°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 236 days/yr |
Geography
| Elevation | 1,522 ft (464 m) |
| Area | 3.4 sq mi (8.9 km²) |
| Population Density | 904/sq mi |
| Coordinates | 47.3100°N, 8.1137°W |
| Timezone | Europe/Zurich |
Precipitation & Snow
Air Quality
Earthquake History
825 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 | 90 km | 10 km |
| Nov 20, 1991 | 1 km WSW of Churwalden, Switzerland | M4.7 | 122 km | 10 km |
| Mar 22, 2003 | 2 km WSW of Albstadt, Germany | M4.7 | 120 km | 6 km |
| Feb 17, 1992 | 4 km NNE of Scharans, Switzerland | M4.5 | 121 km | 10 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 64 km | 8 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 | 149 km | 10 km |
| Feb 23, 2004 | 5 km SSE of Roulans, France | M4.4 | 139 km | 17 km |
| May 15, 1992 | 1 km W of Sennwald, Switzerland | M4.4 | 104 km | 5 km |
| Nov 22, 1997 | 4 km SSW of Krummenau, Switzerland | M4.4 | 79 km | 10 km |
| May 8, 1992 | 0 km NNW of Sennwald, Switzerland | M4.4 | 105 km | 5 km |
| May 8, 1992 | 2 km WSW of Sennwald, Switzerland | M4.4 | 103 km | 5 km |
| Mar 22, 2023 | 1 km NW of Pont-de-Roide, France | M4.4 | 103 km | 12 km |
| May 6, 2003 | 7 km WSW of Linthal, Switzerland | M4.3 | 75 km | 6 km |
| Apr 29, 2003 | 2 km SSW of Varen, Switzerland | M4.3 | 119 km | 8 km |
| Nov 16, 1995 | 1 km ENE of Einsiedeln, Switzerland | M4.3 | 53 km | 5 km |
| Dec 30, 1992 | 2 km SW of Ühlingen-Birkendorf, Germany | M4.2 | 46 km | 33 km |
| May 20, 1999 | 4 km SSE of Plaffeien, Switzerland | M4.2 | 92 km | 2 km |
| Jun 4, 2024 | 2 km NNW of Unteriberg, Switzerland | M4.2 | 57 km | 5 km |
| Jun 28, 2004 | 2 km NNW of Brugg, Switzerland | M4.2 | 22 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: 4.0 m (13 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1601 | LAKE LUCERNE | Eruption + Earthquake | 4.0 m | 8 | 64 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | — | 65 km |
| 563 | LAKE GENEVA | Meteorological | — | — | 144 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 3.8 in | |
| February | 34°F (1°C) | 4.0 in | |
| March | 40°F (5°C) | 3.5 in | Driest |
| April | 46°F (8°C) | 3.9 in | |
| May | 54°F (12°C) | 4.5 in | |
| June | 60°F (15°C) | 5.4 in | Wettest |
| July | 69°F (20°C) | 5.1 in | Warmest |
| August | 63°F (17°C) | 4.9 in | |
| September | 57°F (14°C) | 3.8 in | |
| October | 48°F (9°C) | 4.1 in | |
| November | 39°F (4°C) | 4.5 in | |
| December | 34°F (1°C) | 4.4 in | Coldest |
Unterkulm has a seasonal temperature swing of 35°F / from 34°F in December to 69°F in July. Total annual precipitation is 51.7 inches, with June being the wettest month (5.4") and March the driest (3.5").