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Weather & Climate in Iserlohn, Germany
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Iserlohn experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 40°F in January while summers reach 66°F in July. The area gets 215 sunny days per year. Annual precipitation totals 52.5 inches (wetter than the 38-inch national average). The area receives 13.6 inches of snow annually. The city sits at an elevation of 830 feet.
Temperature
40°F Jan (5°C)
66°F Jul (19°C)
| Annual Average | 52.7°F |
| 2% below US avg | |
| January Average | 40°F (5°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 215 days/yr |
Geography
| Elevation | 830 ft (253 m) |
| Area | 53.7 sq mi (139.0 km²) |
| Population Density | 1,824/sq mi |
| Coordinates | 51.3755°N, 7.7028°W |
| Timezone | Europe/Berlin |
Precipitation & Snow
Air Quality
Earthquake History
452 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| Apr 13, 1992 | 1 km W of Kessenich, Belgium | M5.4 | 135 km | 21 km |
| Jun 23, 2001 | 2 km ENE of Niel-bij-As, Belgium | M4.8 | 149 km | 10 km |
| Jul 22, 2002 | 2 km ENE of Haanrade, Netherlands | M4.8 | 124 km | 17 km |
| May 16, 1991 | 4 km ENE of Hörstel, Germany | M4.7 | 104 km | 10 km |
| Aug 3, 2007 | 2 km SE of Wehr, Germany | M4.4 | 113 km | 10 km |
| Jan 6, 2003 | 2 km NE of Hörstel, Germany | M4.3 | 105 km | 10 km |
| Nov 29, 1997 | 6 km SE of Burgschwalbach, Germany | M4.3 | 130 km | 10 km |
| Jan 20, 2000 | 4 km NW of Rheinbach, Germany | M4.3 | 98 km | 10 km |
| Apr 14, 1992 | 2 km SSE of Vaals, Netherlands | M4.3 | 136 km | 10 km |
| May 22, 2004 | 2 km ENE of Nickenich, Germany | M4.2 | 109 km | 10 km |
| Sep 8, 2011 | 3 km ENE of Heijen, Netherlands | M4.2 | 121 km | 6 km |
| Jul 24, 2009 | 2 km NW of Kamp-Lintfort, Germany | M4.1 | 84 km | 5 km |
| Jul 26, 2000 | 6 km ESE of Holzhausen an der Haide, Germany | M4.0 | 132 km | 10 km |
| Mar 17, 2002 | 1 km SE of Stolberg, Germany | M4.0 | 123 km | 10 km |
| Jun 23, 2001 | 1 km SW of Ulestraten, Netherlands | M4.0 | 145 km | 10 km |
| Nov 29, 1997 | 7 km N of Taunusstein, Germany | M3.9 | 132 km | 10 km |
| Feb 14, 2011 | 4 km NE of Nassau, Germany | M3.9 | 116 km | 12 km |
| Jun 3, 1993 | 0 km NW of Kessenich, Belgium | M3.8 | 134 km | 10 km |
| Mar 22, 1993 | 3 km NW of Tecklenburg, Germany | M3.8 | 97 km | 10 km |
| Nov 18, 1990 | 1 km SSW of Kaub, Germany | M3.8 | 145 km | 28 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: West Eifel Volcanic Field (147 km).
| Name | Type | Elevation | Last Eruption | Distance |
| West Eifel Volcanic Field | Maar(s) | 600 m (1,969 ft) | -8300 | 147 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 3.7 in | |
| February | 35°F (2°C) | 2.7 in | Coldest |
| March | 40°F (4°C) | 3.1 in | |
| April | 45°F (7°C) | 2.5 in | Driest |
| May | 54°F (12°C) | 2.9 in | |
| June | 59°F (15°C) | 3.4 in | |
| July | 66°F (19°C) | 3.8 in | Warmest |
| August | 62°F (17°C) | 3.4 in | |
| September | 56°F (13°C) | 3.1 in | |
| October | 49°F (9°C) | 2.9 in | |
| November | 41°F (5°C) | 3.6 in | |
| December | 37°F (3°C) | 3.9 in | Wettest |
Iserlohn has a seasonal temperature swing of 31°F / from 35°F in February to 66°F in July. Total annual precipitation is 39.1 inches, with December being the wettest month (3.9") and April the driest (2.5").