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Weather & Climate in Monte-Carlo, Monaco
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Monte-Carlo enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 54°F in January while summers reach 77°F in July. The area gets 334 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 19.5 inches (drier than the 38-inch national average). The city sits at an elevation of 148 feet.
Temperature
54°F Jan (12°C)
77°F Jul (25°C)
| Annual Average | 63.9°F |
| 18% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 334 days/yr |
Geography
| Elevation | 148 ft (45 m) |
| Area | 0.1 sq mi (0.3 km²) |
| Population Density | 145,564/sq mi |
| Coordinates | 43.7398°N, 7.4273°W |
| Timezone | Europe/Monaco |
Precipitation & Snow
Air Quality
Earthquake History
1,911 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 112 km | 8 km |
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 97 km | 10 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 145 km | 0 km |
| Feb 25, 2001 | 28 km SSE of Saint-Jean-Cap-Ferrat, France | M4.6 | 32 km | 9 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 138 km | 14 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 93 km | 10 km |
| Mar 14, 2001 | 34 km SSE of San Lorenzo al Mare, Italy | M4.6 | 59 km | 19 km |
| Feb 24, 1997 | 36 km SE of Cervo, Italy | M4.5 | 81 km | 20 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 101 km | 10 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 87 km | 5 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 115 km | 40 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 95 km | 10 km |
| Jul 17, 1993 | 0 km NNE of Calice Ligure, Italy | M4.4 | 87 km | 5 km |
| Apr 21, 1995 | 4 km ESE of Menton, France | M4.4 | 11 km | 26 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 139 km | 25 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 148 km | 22 km |
| Feb 11, 1990 | northern Italy | M4.3 | 142 km | 10 km |
| Jan 20, 1994 | 1 km SW of Melle, Italy | M4.3 | 91 km | 10 km |
| Jul 30, 2016 | 0 km SSW of Fleccia-Chianavasso, Italy | M4.2 | 135 km | 11 km |
| Feb 26, 2012 | 13 km ESE of Embrun, France | M4.2 | 108 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 10.0 m (33 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1979 | FRENCH RIVIERA (LIGURIAN SEA) | Meteorological | 10.0 m | 9 | 15 km |
| 1968 | LIGURIA-COTE D'AZUR | Earthquake | 3.0 m | — | 60 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 33 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 3.0 in | |
| February | 45°F (7°C) | 2.5 in | Coldest |
| March | 48°F (9°C) | 2.5 in | |
| April | 52°F (11°C) | 2.9 in | |
| May | 59°F (15°C) | 2.4 in | |
| June | 66°F (19°C) | 1.7 in | |
| July | 77°F (25°C) | 0.8 in | Warmest, Driest |
| August | 72°F (22°C) | 1.4 in | |
| September | 65°F (19°C) | 3.1 in | |
| October | 58°F (14°C) | 4.8 in | Wettest |
| November | 50°F (10°C) | 3.8 in | |
| December | 45°F (7°C) | 3.2 in |
Monte-Carlo has a seasonal temperature swing of 32°F / from 45°F in February to 77°F in July. Total annual precipitation is 32.0 inches, with October being the wettest month (4.8") and July the driest (0.8").