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Weather & Climate in Siamanna, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Siamanna enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 45°F in January while summers reach 82°F in July. The area gets 324 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 31.0 inches. The area receives 2.4 inches of snow annually. The city sits at an elevation of 161 feet.
Temperature
45°F Jan (7°C)
82°F Jul (28°C)
| Annual Average | 60.6°F |
| 12% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 324 days/yr |
Geography
| Elevation | 161 ft (49 m) |
| Area | 47.7 sq mi (123.5 km²) |
| Population Density | 16/sq mi |
| Coordinates | 39.9194°N, 8.7619°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
10 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Mar 3, 2001 | 31 km ENE of Budoni, Italy | M4.8 | 148 km | 10 km |
| Feb 5, 2009 | 30 km ENE of San Teodoro, Italy | M4.3 | 149 km | 13 km |
| Mar 24, 2006 | western Mediterranean Sea | M4.1 | 115 km | 9 km |
| Dec 20, 2001 | 2 km NNW of Santu Lussurgiu, Italy | M3.5 | 29 km | 10 km |
| Mar 22, 2006 | 9 km S of Pula, Italy | M3.4 | 113 km | 10 km |
| Jul 13, 2006 | 5 km W of Capoterra, Italy | M2.8 | 83 km | 10 km |
| Aug 1, 2006 | Sardinia, Italy | M2.8 | 128 km | 10 km |
| Apr 24, 2007 | 1 km WSW of Olbia, Italy | M2.7 | 127 km | 15 km |
| Jan 21, 2007 | 12 km ENE of La Caletta, Italy | M2.6 | 126 km | 1 km |
| Jul 18, 2007 | 30 km ENE of La Caletta, Italy | M2.5 | 144 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 2.2 in | Coldest |
| February | 50°F (10°C) | 2.6 in | |
| March | 52°F (11°C) | 2.2 in | |
| April | 56°F (13°C) | 2.2 in | |
| May | 64°F (18°C) | 1.5 in | |
| June | 71°F (22°C) | 0.8 in | |
| July | 82°F (28°C) | 0.2 in | Warmest, Driest |
| August | 77°F (25°C) | 0.4 in | |
| September | 72°F (22°C) | 1.4 in | |
| October | 65°F (18°C) | 2.9 in | |
| November | 57°F (14°C) | 3.6 in | Wettest |
| December | 51°F (11°C) | 3.0 in |
Siamanna has a seasonal temperature swing of 36°F / from 45°F in January to 82°F in July. Total annual precipitation is 22.8 inches, with November being the wettest month (3.6") and July the driest (0.2").