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Weather & Climate in Rio San Martino, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rio San Martino enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 41°F in January while summers reach 76°F in July. The area gets 280 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 41.7 inches. The area receives 7.0 inches of snow annually. The city sits at an elevation of 52 feet.
Temperature
41°F Jan (5°C)
76°F Jul (25°C)
| Annual Average | 57.6°F |
| 7% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 280 days/yr |
Geography
| Elevation | 52 ft (16 m) |
| Area | 20.9 sq mi (54.1 km²) |
| Population Density | 42/sq mi |
| Coordinates | 45.5923°N, 12.1116°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,076 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 | 104 km | 6 km |
| May 29, 2012 | 1 km ENE of Medolla, Italy | M5.8 | 115 km | 10 km |
| Apr 12, 1998 | 5 km E of Kobarid, Slovenia | M5.6 | 140 km | 10 km |
| May 29, 2012 | 2 km NE of San Possidonio, Italy | M5.5 | 117 km | 7 km |
| Oct 15, 1996 | 2 km N of Correggio, Italy | M5.4 | 137 km | 10 km |
| Sep 14, 2003 | 3 km E of Monterenzio, Italy | M5.3 | 150 km | 10 km |
| Jul 12, 2004 | 7 km NE of Kobarid, Slovenia | M5.2 | 142 km | 8 km |
| Jun 3, 2012 | 3 km ENE of Novi di Modena, Italy | M5.1 | 120 km | 9 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M5.1 | 121 km | 10 km |
| May 10, 2000 | 7 km SE of Granarolo, Italy | M5.1 | 142 km | 10 km |
| May 20, 2012 | 1 km SSW of Vigarano Mainarda, Italy | M5.0 | 98 km | 5 km |
| Nov 2, 2002 | 4 km N of Sant'Alberto, Italy | M5.0 | 113 km | 10 km |
| Jul 17, 2011 | 0 km W of Sermide, Italy | M4.9 | 92 km | 6 km |
| May 20, 2012 | 2 km ENE of Medolla, Italy | M4.9 | 114 km | 10 km |
| Jan 25, 2012 | 1 km N of Poviglio, Italy | M4.9 | 148 km | 33 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M4.8 | 121 km | 11 km |
| May 8, 2000 | 3 km NE of Faenza, Italy | M4.8 | 143 km | 10 km |
| May 29, 2012 | 3 km ENE of Novi di Modena, Italy | M4.8 | 120 km | 3 km |
| May 20, 2012 | 3 km WSW of Bondeno, Italy | M4.8 | 98 km | 3 km |
| Feb 21, 1998 | 2 km ENE of Campagnola Emilia, Italy | M4.8 | 132 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 235.0 m (771 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1963 | VAJONT DAM, VAJONT RIVER | Meteorological | 235.0 m | 2,000 | 77 km |
| 1868 | LAKE GARDA | Earthquake | — | — | 110 km |
| 1624 | DELTA OF THE PO | Earthquake | — | — | 113 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.4 in | |
| February | 40°F (5°C) | 1.9 in | Driest |
| March | 47°F (8°C) | 2.4 in | |
| April | 54°F (12°C) | 3.0 in | |
| May | 63°F (17°C) | 3.4 in | |
| June | 70°F (21°C) | 3.7 in | Wettest |
| July | 76°F (25°C) | 2.6 in | Warmest |
| August | 73°F (23°C) | 3.0 in | |
| September | 66°F (19°C) | 3.0 in | |
| October | 57°F (14°C) | 3.7 in | |
| November | 46°F (8°C) | 3.1 in | |
| December | 38°F (4°C) | 2.5 in | Coldest |
Rio San Martino has a seasonal temperature swing of 38°F / from 38°F in December to 76°F in July. Total annual precipitation is 34.7 inches, with June being the wettest month (3.7") and February the driest (1.9").