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Weather & Climate in Illzach, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Illzach experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 41°F in January while summers reach 71°F in July. The area gets 249 sunny days per year, above the national average. Annual precipitation totals 33.5 inches. The area receives 4.2 inches of snow annually. The city sits at an elevation of 761 feet.
Temperature
41°F Jan (5°C)
71°F Jul (22°C)
| Annual Average | 55.4°F |
| 3% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 249 days/yr |
Geography
| Elevation | 761 ft (232 m) |
| Area | 2.9 sq mi (7.5 km²) |
| Population Density | 5,330/sq mi |
| Coordinates | 47.7742°N, 7.3518°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
635 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 | 86 km | 10 km |
| Mar 22, 2003 | 2 km WSW of Albstadt, Germany | M4.7 | 132 km | 6 km |
| Feb 14, 1999 | 3 km NNE of Belfaux, Switzerland | M4.7 | 104 km | 10 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 142 km | 8 km |
| May 24, 1995 | 7 km NE of Le Chenit, Switzerland | M4.4 | 148 km | 6 km |
| Feb 23, 2004 | 5 km SSE of Roulans, France | M4.4 | 99 km | 17 km |
| Mar 22, 2023 | 1 km NW of Pont-de-Roide, France | M4.4 | 61 km | 12 km |
| Nov 22, 1997 | 4 km SSW of Krummenau, Switzerland | M4.4 | 149 km | 10 km |
| Nov 16, 1995 | 1 km ENE of Einsiedeln, Switzerland | M4.3 | 128 km | 5 km |
| May 20, 1999 | 4 km SSE of Plaffeien, Switzerland | M4.2 | 120 km | 2 km |
| Jun 28, 2004 | 2 km NNW of Brugg, Switzerland | M4.2 | 71 km | 20 km |
| Dec 30, 1992 | 2 km SW of Ühlingen-Birkendorf, Germany | M4.2 | 70 km | 33 km |
| May 14, 1999 | 9 km NW of Brienz, Switzerland | M4.2 | 116 km | 5 km |
| Feb 11, 2012 | 2 km WNW of Unterägeri, Switzerland | M4.2 | 114 km | 32 km |
| Jun 4, 2024 | 2 km NNW of Unteriberg, Switzerland | M4.2 | 133 km | 5 km |
| Aug 24, 1996 | 1 km E of Sirnach, Switzerland | M4.2 | 129 km | 20 km |
| May 12, 2005 | 1 km NW of Oensingen, Switzerland | M4.2 | 59 km | 25 km |
| Oct 7, 1995 | 1 km SSE of Grolley, Switzerland | M4.1 | 108 km | 10 km |
| Sep 17, 1995 | 0 km ESE of Corminboeuf, Switzerland | M4.1 | 109 km | 10 km |
| Jul 1, 2017 | 7 km E of Châtel-Saint-Denis, Switzerland | M4.1 | 142 km | 2 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 | 139 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | — | 125 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 1.9 in | |
| February | 37°F (3°C) | 1.9 in | Coldest |
| March | 44°F (7°C) | 1.7 in | Driest |
| April | 49°F (9°C) | 2.1 in | |
| May | 57°F (14°C) | 3.0 in | Wettest |
| June | 63°F (17°C) | 2.9 in | |
| July | 71°F (22°C) | 2.7 in | Warmest |
| August | 67°F (19°C) | 2.5 in | |
| September | 60°F (15°C) | 2.3 in | |
| October | 51°F (11°C) | 2.3 in | |
| November | 41°F (5°C) | 2.3 in | |
| December | 37°F (3°C) | 2.4 in |
Illzach has a seasonal temperature swing of 34°F / from 37°F in February to 71°F in July. Total annual precipitation is 27.9 inches, with May being the wettest month (3.0") and March the driest (1.7").