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Weather & Climate in Santa Rosa, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Santa Rosa has a cool climate with an average annual temperature of 45°F (7°C). Winters average 43°F in January while summers reach 46°F in July / relatively mild seasonal variation. The area gets 352 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 87.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 8,488 feet.
Temperature
43°F Jan (6°C)
46°F Jul (8°C)
| Annual Average | 44.9°F |
| 17% below US avg | |
| January Average | 43°F (6°C) |
| July Average | 46°F (8°C) |
| Sunny Days | 352 days/yr |
Geography
| Elevation | 8,488 ft (2,587 m) |
| Area | 540.2 sq mi (1,399.2 km²) |
| Population Density | 1/sq mi |
| Coordinates | -8.5267°N, 78.0685°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
77 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| Apr 11, 2005 | 18 km ENE of Shirac, Peru | M6.0 | 139 km | 130 km |
| May 12, 1992 | 40 km W of Puerto Casma, Peru | M5.7 | 134 km | 63 km |
| Jan 3, 2010 | 16 km E of Huallanca, Peru | M5.7 | 49 km | 117 km |
| Jan 28, 2017 | 55 km WSW of Chimbote, Peru | M5.3 | 138 km | 50 km |
| Oct 18, 1992 | 25 km SW of Chimbote, Peru | M5.2 | 109 km | 48 km |
| Jan 15, 2019 | 44 km W of Puerto Santa, Peru | M5.2 | 118 km | 58 km |
| Mar 21, 2015 | 33 km SSW of Chimbote, Peru | M5.1 | 116 km | 55 km |
| Oct 19, 1992 | 30 km S of Puerto Casma, Peru | M5.1 | 140 km | 53 km |
| Jun 24, 2022 | near the coast of northern Peru | M5.1 | 124 km | 73 km |
| Dec 14, 1993 | 53 km SW of Puerto Santa, Peru | M5.1 | 136 km | 64 km |
| Aug 13, 2025 | 36 km W of Puerto Santa, Peru | M5.0 | 109 km | 68 km |
| Mar 15, 1996 | 17 km ENE of Caraz, Peru | M5.0 | 68 km | 29 km |
| Jul 23, 1997 | 33 km WSW of Chimbote, Peru | M5.0 | 116 km | 66 km |
| Feb 19, 2024 | 33 km SSW of Chimbote, Peru | M5.0 | 116 km | 76 km |
| Apr 7, 1994 | 56 km SW of Victor Raul, Peru | M4.9 | 128 km | 60 km |
| Aug 8, 2002 | 13 km S of Puente Viru, Peru | M4.9 | 76 km | 77 km |
| Jul 20, 2016 | 15 km E of Virú, Peru | M4.9 | 61 km | 106 km |
| May 19, 1997 | 45 km W of Puerto Casma, Peru | M4.8 | 137 km | 50 km |
| Oct 9, 1999 | 48 km SW of Chimbote, Peru | M4.8 | 132 km | 51 km |
| Nov 19, 1998 | 2 km S of Coishco, Peru | M4.7 | 84 km | 73 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 23.0 m (75 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2010 | 513 LAKE, HUALCAN GLACIER | Meteorological | 23.0 m | 1 | 96 km |
| 1970 | N. PERU | Earthquake | 0.5 m | 66,794 | 110 km |
| 1678 | CENTRAL PERU | Earthquake | — | — | 115 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 1.7 in | Coldest |
| February | 61°F (16°C) | 2.1 in | Warmest |
| March | 61°F (16°C) | 2.6 in | Wettest |
| April | 60°F (16°C) | 1.1 in | |
| May | 60°F (15°C) | 0.2 in | |
| June | 59°F (15°C) | 0.1 in | |
| July | 46°F (8°C) | 0.0 in | Driest |
| August | 59°F (15°C) | 0.1 in | |
| September | 59°F (15°C) | 0.4 in | |
| October | 60°F (16°C) | 0.9 in | |
| November | 60°F (16°C) | 0.8 in | |
| December | 60°F (16°C) | 1.0 in |
Santa Rosa has a seasonal temperature swing of 18°F / from 43°F in January to 61°F in February. Total annual precipitation is 10.9 inches, with March being the wettest month (2.6") and July the driest (0.0").