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Weather & Climate in San Juan de Rontoy, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Juan de Rontoy has a cool climate with an average annual temperature of 34°F (1°C). Winters average 34°F in January while summers reach 33°F in July / relatively mild seasonal variation. The area gets 322 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 52.1 inches (wetter than the 38-inch national average). The area receives 4.5 inches of snow annually. The city sits at an elevation of 9,239 feet.
Temperature
34°F Jan (1°C)
33°F Jul (0°C)
| Annual Average | 34.2°F |
| 37% below US avg | |
| January Average | 34°F (1°C) |
| July Average | 33°F (0°C) |
| Sunny Days | 322 days/yr |
Geography
| Elevation | 9,239 ft (2,816 m) |
| Area | 159.3 sq mi (412.5 km²) |
| Population Density | 1/sq mi |
| Coordinates | -9.1752°N, 77.0025°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
71 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.
| Jan 3, 2010 | 16 km E of Huallanca, Peru | M5.7 | 89 km | 117 km |
| Oct 16, 1994 | 24 km E of Tingo María, Peru | M5.6 | 135 km | 128 km |
| Oct 4, 1998 | 9 km E of Uchiza, Peru | M5.5 | 105 km | 33 km |
| Jun 5, 2008 | 30 km S of Uchiza, Peru | M5.2 | 78 km | 126 km |
| May 8, 2017 | 21 km NW of Tocache, Peru | M5.2 | 131 km | 10 km |
| Mar 9, 2021 | 41 km NNE of Tingo María, Peru | M5.1 | 126 km | 115 km |
| Mar 15, 1996 | 17 km ENE of Caraz, Peru | M5.0 | 76 km | 29 km |
| Jun 13, 2024 | 55 km ESE of Uchiza, Peru | M5.0 | 120 km | 10 km |
| Jul 9, 2015 | 27 km NE of Tingo María, Peru | M5.0 | 129 km | 27 km |
| Apr 19, 2025 | 23 km SW of Tingo María, Peru | M4.9 | 99 km | 113 km |
| Aug 13, 2019 | 12 km WNW of Ticllos, Peru | M4.9 | 118 km | 15 km |
| Aug 25, 2002 | 33 km ESE of Uchiza, Peru | M4.8 | 113 km | 16 km |
| Sep 3, 2019 | 50 km NNW of Tingo María, Peru | M4.8 | 94 km | 118 km |
| Jun 18, 1991 | 43 km E of Uchiza, Peru | M4.8 | 129 km | 53 km |
| Jul 17, 2023 | 17 km ESE of Tingo María, Peru | M4.8 | 127 km | 10 km |
| Aug 7, 2012 | 31 km NW of Tingo María, Peru | M4.8 | 91 km | 120 km |
| Jan 6, 2002 | 25 km NNE of Tingo María, Peru | M4.8 | 119 km | 33 km |
| May 14, 2014 | 25 km ENE of Uchiza, Peru | M4.7 | 122 km | 28 km |
| Aug 2, 2017 | 48 km E of Uchiza, Peru | M4.7 | 129 km | 43 km |
| May 7, 2015 | 5 km ENE of Sitabamba, Peru | M4.7 | 150 km | 48 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami 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 | 72 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 4.1 in | |
| February | 53°F (12°C) | 4.8 in | |
| March | 53°F (12°C) | 5.5 in | Wettest |
| April | 53°F (12°C) | 3.4 in | |
| May | 53°F (11°C) | 1.5 in | |
| June | 52°F (11°C) | 0.6 in | Driest |
| July | 33°F (0°C) | 0.6 in | Coldest |
| August | 52°F (11°C) | 0.8 in | |
| September | 53°F (12°C) | 1.6 in | |
| October | 54°F (12°C) | 3.2 in | |
| November | 54°F (12°C) | 4.0 in | Warmest |
| December | 53°F (12°C) | 4.0 in |
San Juan de Rontoy has a seasonal temperature swing of 21°F / from 33°F in July to 54°F in November. Total annual precipitation is 34.1 inches, with March being the wettest month (5.5") and June the driest (0.6").