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Weather & Climate in Irma, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Irma has a cool climate with an average annual temperature of 43°F (6°C). Winters average 26°F in January while summers reach 60°F in July. The area gets 308 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 71.7 inches (wetter than the 38-inch national average). The area receives 100.2 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 2,638 feet.
Temperature
26°F Jan (-3°C)
60°F Jul (15°C)
| Annual Average | 42.8°F |
| 21% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 60°F (15°C) |
| Sunny Days | 308 days/yr |
Geography
| Elevation | 2,638 ft (804 m) |
| Area | 13.4 sq mi (34.6 km²) |
| Population Density | 9/sq mi |
| Coordinates | 45.7713°N, 10.2846°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
983 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| May 20, 2012 | 4 km NNE of Massa Finalese, Italy | M6.0 | 123 km | 6 km |
| May 29, 2012 | 1 km ENE of Medolla, Italy | M5.8 | 120 km | 10 km |
| May 29, 2012 | 2 km NE of San Possidonio, Italy | M5.5 | 113 km | 7 km |
| Oct 15, 1996 | 2 km N of Correggio, Italy | M5.4 | 116 km | 10 km |
| Jun 3, 2012 | 3 km ENE of Novi di Modena, Italy | M5.1 | 110 km | 9 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M5.1 | 113 km | 10 km |
| May 20, 2012 | 1 km SSW of Vigarano Mainarda, Italy | M5.0 | 141 km | 5 km |
| Jan 27, 2012 | 4 km SE of Berceto, Italy | M5.0 | 145 km | 60 km |
| Jul 17, 2011 | 0 km W of Sermide, Italy | M4.9 | 116 km | 6 km |
| Apr 18, 2005 | 2 km WSW of Marsaglia, Italy | M4.9 | 139 km | 0 km |
| May 20, 2012 | 2 km ENE of Medolla, Italy | M4.9 | 120 km | 10 km |
| Oct 29, 1995 | 0 km WNW of Adro, Italy | M4.9 | 30 km | 10 km |
| Jan 25, 2012 | 1 km N of Poviglio, Italy | M4.9 | 104 km | 33 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M4.8 | 113 km | 11 km |
| Dec 29, 1999 | 12 km N of Isolaccia, Italy | M4.8 | 92 km | 10 km |
| May 20, 2012 | 3 km WSW of Bondeno, Italy | M4.8 | 131 km | 3 km |
| May 29, 2012 | 3 km ENE of Novi di Modena, Italy | M4.8 | 110 km | 3 km |
| Feb 21, 1998 | 2 km ENE of Campagnola Emilia, Italy | M4.8 | 110 km | 10 km |
| Mar 5, 2012 | 3 km NNW of Santo Stefano d'Aveto, Italy | M4.7 | 149 km | 9 km |
| Jul 17, 2001 | 3 km NNE of Rifiano, Italy | M4.7 | 128 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: 95.0 m (312 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1987 | VALTELLINA | Meteorological | 95.0 m | 27 | 68 km |
| 1868 | LAKE GARDA | Earthquake | - | - | 33 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 1.5 in | Coldest |
| February | 33°F (1°C) | 1.0 in | Driest |
| March | 39°F (4°C) | 1.6 in | |
| April | 45°F (7°C) | 2.2 in | |
| May | 53°F (12°C) | 3.0 in | |
| June | 60°F (15°C) | 3.1 in | |
| July | 60°F (15°C) | 2.7 in | |
| August | 64°F (18°C) | 3.0 in | Warmest |
| September | 57°F (14°C) | 3.2 in | Wettest |
| October | 48°F (9°C) | 3.2 in | |
| November | 38°F (4°C) | 1.9 in | |
| December | 32°F (0°C) | 1.3 in |
Irma has a seasonal temperature swing of 38°F / from 26°F in January to 64°F in August. Total annual precipitation is 27.8 inches, with September being the wettest month (3.2") and February the driest (1.0").