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Isernia, Italy
Full City Profile
1.9
/5.0
D
Poor
16,945
Population
489/sq mi density
1,388 ft
Elevation
423 meters
55°F
Avg Temperature
13°C
D
Overall
1.9 / 5.0
Below average overall score based on economy, affordability, safety and education
D
Economy
1.9 / 5.0
$21,656 median income, 12.0% unemployment
Isernia experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 40°F in January while summers reach 74°F in July. The area gets 311 sunny days per year. Annual precipitation totals 54.2 inches. The area receives 8.9 inches of snow annually.
Temperature
40°F Jan (4°C)
74°F Jul (24°C)
| Annual Average | 54.9°F |
| 2% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 74°F (24°C) |
| Sunny Days | 311 days/yr |
Geography
| Elevation | 1,388 ft (423 m) |
| Area | 34.7 sq mi (89.8 km²) |
| Population Density | 489/sq mi |
| Coordinates | 41.5960°N, 14.2340°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Tsunami History
6 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1631 | BAY OF NAPLES | Eruption | 5.0 m | 4,000 | 88 km |
| 1906 | TYRRHENIAN SEA | Astronomical | 0.4 m | 350 | 88 km |
| 1805 | CAMPANIA | Earthquake | — | — | 22 km |
| 1731 | TYRRHENIAN SEA | Earthquake | — | 3,600 | 106 km |
| 1627 | GARGANO PENINSULA | Earthquake | — | 5,000 | 94 km |
| 79 | BAY OF NAPLES | Eruption | — | 2,100 | 88 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Campi Flegrei (86 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 86 km |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 88 km |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 100 km |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 128 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 2.5 in | |
| February | 39°F (4°C) | 2.4 in | Coldest |
| March | 44°F (6°C) | 2.2 in | |
| April | 49°F (9°C) | 2.5 in | |
| May | 57°F (14°C) | 2.1 in | |
| June | 64°F (18°C) | 1.6 in | |
| July | 74°F (24°C) | 1.4 in | Warmest, Driest |
| August | 70°F (21°C) | 1.8 in | |
| September | 63°F (17°C) | 2.4 in | |
| October | 55°F (13°C) | 3.0 in | |
| November | 47°F (8°C) | 3.7 in | Wettest |
| December | 41°F (5°C) | 2.9 in |
Isernia has a seasonal temperature swing of 35°F / from 39°F in February to 74°F in July. Total annual precipitation is 28.5 inches, with November being the wettest month (3.7") and July the driest (1.4").