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Weather & Climate in Guewenheim, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Guewenheim experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 34°F in January while summers reach 63°F in July. The area gets 219 sunny days per year. Annual precipitation totals 57.3 inches (wetter than the 38-inch national average). The area receives 58.9 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 1,093 feet.
Temperature
34°F Jan (1°C)
63°F Jul (17°C)
| Annual Average | 49.4°F |
| 9% below US avg | |
| January Average | 34°F (1°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 219 days/yr |
Geography
| Elevation | 1,093 ft (333 m) |
| Area | 4.8 sq mi (12.5 km²) |
| Population Density | 255/sq mi |
| Coordinates | 47.7528°N, 7.0925°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
583 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Feb 22, 2003 | 4 km W of Rambervillers, France | M5.0 | 76 km | 10 km |
| Feb 14, 1999 | 3 km NNE of Belfaux, Switzerland | M4.7 | 100 km | 10 km |
| Mar 22, 2023 | 1 km NW of Pont-de-Roide, France | M4.4 | 47 km | 12 km |
| May 24, 1995 | 7 km NE of Le Chenit, Switzerland | M4.4 | 136 km | 6 km |
| Feb 23, 2004 | 5 km SSE of Roulans, France | M4.4 | 82 km | 17 km |
| Nov 16, 1995 | 1 km ENE of Einsiedeln, Switzerland | M4.3 | 143 km | 5 km |
| May 14, 1999 | 9 km NW of Brienz, Switzerland | M4.2 | 123 km | 5 km |
| May 20, 1999 | 4 km SSE of Plaffeien, Switzerland | M4.2 | 118 km | 2 km |
| Jun 4, 2024 | 2 km NNW of Unteriberg, Switzerland | M4.2 | 148 km | 5 km |
| Dec 30, 1992 | 2 km SW of Ühlingen-Birkendorf, Germany | M4.2 | 90 km | 33 km |
| Feb 11, 2012 | 2 km WNW of Unterägeri, Switzerland | M4.2 | 129 km | 32 km |
| May 12, 2005 | 1 km NW of Oensingen, Switzerland | M4.2 | 68 km | 25 km |
| Aug 24, 1996 | 1 km E of Sirnach, Switzerland | M4.2 | 148 km | 20 km |
| Jun 28, 2004 | 2 km NNW of Brugg, Switzerland | M4.2 | 88 km | 20 km |
| Sep 17, 1995 | 0 km ESE of Corminboeuf, Switzerland | M4.1 | 105 km | 10 km |
| Jun 26, 2021 | 2 km SE of Hœrdt, France | M4.1 | 116 km | 2 km |
| Jul 1, 2017 | 7 km E of Châtel-Saint-Denis, Switzerland | M4.1 | 137 km | 2 km |
| Jun 21, 2004 | 1 km WSW of Frenkendorf, Switzerland | M4.1 | 54 km | 22 km |
| Jul 21, 2025 | 4 km E of Frutigen, Switzerland | M4.1 | 138 km | 10 km |
| Oct 7, 1995 | 1 km SSE of Grolley, Switzerland | M4.1 | 103 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 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 | 150 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | — | 132 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 2.8 in | Coldest |
| February | 35°F (2°C) | 2.8 in | |
| March | 42°F (5°C) | 2.4 in | Driest |
| April | 47°F (8°C) | 2.5 in | |
| May | 55°F (13°C) | 3.4 in | |
| June | 60°F (16°C) | 3.3 in | |
| July | 63°F (17°C) | 3.1 in | |
| August | 64°F (18°C) | 2.8 in | Warmest |
| September | 58°F (14°C) | 2.9 in | |
| October | 50°F (10°C) | 3.0 in | |
| November | 40°F (5°C) | 3.2 in | |
| December | 36°F (2°C) | 3.4 in | Wettest |
Guewenheim has a seasonal temperature swing of 30°F / from 34°F in January to 64°F in August. Total annual precipitation is 35.5 inches, with December being the wettest month (3.4") and March the driest (2.4").