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Weather & Climate in Rosario, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rosario has a cool climate with an average annual temperature of 45°F (7°C). Winters average 48°F in January while summers reach 44°F in July / relatively mild seasonal variation. The area gets 348 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 35.9 inches. The city sits at an elevation of 12,060 feet.
Temperature
48°F Jan (9°C)
44°F Jul (7°C)
| Annual Average | 44.8°F |
| 17% below US avg | |
| January Average | 48°F (9°C) |
| July Average | 44°F (7°C) |
| Sunny Days | 348 days/yr |
Geography
| Elevation | 12,060 ft (3,676 m) |
| Area | 86.2 sq mi (223.2 km²) |
| Population Density | 3/sq mi |
| Coordinates | -12.7212°N, 74.5825°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
129 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.1.
| May 23, 2010 | 4 km WNW of Sacsamarca, Peru | M6.1 | 137 km | 101 km |
| Jan 23, 1990 | 4 km WSW of Cuenca, Peru | M5.6 | 61 km | 104 km |
| May 8, 1991 | 15 km WSW of Carapo, Peru | M5.6 | 129 km | 107 km |
| May 10, 1996 | 18 km WSW of Sacsamarca, Peru | M5.5 | 144 km | 101 km |
| Feb 14, 2019 | 49 km NNE of Paucarbamba, Peru | M5.5 | 68 km | 10 km |
| Aug 2, 1993 | 59 km SE of Mazamari, Peru | M5.4 | 120 km | 54 km |
| Jan 19, 2018 | 24 km W of Vinchos, Peru | M5.3 | 57 km | 81 km |
| Mar 18, 1999 | 21 km NNE of Huancaya, Peru | M5.3 | 143 km | 116 km |
| Apr 8, 1996 | 21 km SW of Ayna, Peru | M5.3 | 60 km | 72 km |
| May 13, 2019 | 11 km WNW of Salcabamba, Peru | M5.2 | 70 km | 90 km |
| May 28, 2008 | 6 km WSW of Antaparco, Peru | M5.2 | 44 km | 84 km |
| Aug 1, 2009 | 8 km SSW of Chambara, Peru | M5.2 | 113 km | 101 km |
| Sep 1, 1995 | 34 km SSE of Pilpichaca, Peru | M5.2 | 105 km | 109 km |
| Apr 7, 2022 | 13 km ESE of Cocas, Peru | M5.1 | 99 km | 87 km |
| Apr 25, 2000 | 8 km NE of Pilpichaca, Peru | M5.1 | 73 km | 108 km |
| Jul 9, 2021 | 10 km SSE of Ayna, Peru | M5.1 | 76 km | 60 km |
| Jul 15, 2012 | 7 km WNW of Cocharcas, Peru | M5.0 | 128 km | 79 km |
| Apr 10, 2022 | 6 km WSW of Comas, Peru | M5.0 | 125 km | 10 km |
| May 3, 1992 | 11 km NNW of Colonia, Peru | M5.0 | 146 km | 100 km |
| May 13, 2019 | 16 km SW of Sacsamarca, Peru | M5.0 | 148 km | 80 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 4.9 in | |
| February | 53°F (12°C) | 5.3 in | Wettest |
| March | 53°F (12°C) | 5.2 in | |
| April | 53°F (12°C) | 2.1 in | |
| May | 52°F (11°C) | 1.0 in | |
| June | 51°F (10°C) | 0.4 in | Driest |
| July | 44°F (7°C) | 0.6 in | Coldest |
| August | 52°F (11°C) | 0.9 in | |
| September | 53°F (12°C) | 1.8 in | |
| October | 54°F (12°C) | 2.2 in | |
| November | 55°F (13°C) | 2.4 in | Warmest |
| December | 54°F (12°C) | 3.8 in |
Rosario has a seasonal temperature swing of 11°F / from 44°F in July to 55°F in November. Total annual precipitation is 30.6 inches, with February being the wettest month (5.3") and June the driest (0.4").