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Weather & Climate in San Lorenzo, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Lorenzo has a warm climate with an average annual temperature of 80°F (26°C). Winters average 76°F in January while summers reach 78°F in July / relatively mild seasonal variation. The area gets 323 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 102.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 479 feet.
Temperature
76°F Jan (25°C)
78°F Jul (26°C)
| Annual Average | 79.5°F |
| 47% above US avg | |
| January Average | 76°F (25°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 323 days/yr |
Geography
| Elevation | 479 ft (146 m) |
| Area | 7,926.3 sq mi (20,529.0 km²) |
| Population Density | 1/sq mi |
| Coordinates | -4.8167°N, 76.6000°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
238 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.2.
| Oct 28, 1997 | 51 km N of Barranca, Peru | M7.2 | 51 km | 112 km |
| Apr 5, 1991 | 11 km NE of Rioja, Peru | M7.1 | 141 km | 20 km |
| May 2, 1995 | 64 km WSW of Alianza Cristiana, Peru | M6.7 | 119 km | 97 km |
| Apr 4, 1991 | 4 km ENE of Rioja, Peru | M6.5 | 148 km | 21 km |
| Feb 3, 2022 | 49 km NW of Barranca, Peru | M6.5 | 53 km | 110 km |
| Jul 13, 1992 | 52 km SSW of Alianza Cristiana, Peru | M6.3 | 100 km | 97 km |
| Sep 10, 2016 | 51 km N of Moyobamba, Peru | M6.1 | 93 km | 121 km |
| May 19, 2010 | 83 km NNE of Yambrasbamba, Peru | M6.0 | 108 km | 132 km |
| Jan 2, 2017 | 34 km ESE of Barranca, Peru | M5.9 | 27 km | 106 km |
| Jan 20, 1994 | 9 km WNW of Moyobamba, Peru | M5.8 | 141 km | 123 km |
| May 30, 1990 | 6 km NE of Rioja, Peru | M5.7 | 146 km | 22 km |
| Sep 11, 1993 | 42 km ENE of Barranca, Peru | M5.7 | 34 km | 121 km |
| Feb 12, 1995 | 15 km N of Yurimaguas, Peru | M5.6 | 118 km | 22 km |
| Nov 28, 2012 | 72 km ENE of Barranca, Peru | M5.6 | 64 km | 118 km |
| Apr 5, 1991 | 20 km NNW of Segunda Jerusalén - Azunguillo, Peru | M5.5 | 138 km | 24 km |
| Jan 27, 2001 | 57 km NNW of Barranca, Peru | M5.5 | 60 km | 117 km |
| Jun 18, 2024 | 53 km SSW of Alianza Cristiana, Peru | M5.5 | 103 km | 106 km |
| Jun 7, 2020 | 85 km SW of Alianza Cristiana, Peru | M5.4 | 96 km | 110 km |
| Aug 15, 2021 | 72 km WSW of Alianza Cristiana, Peru | M5.4 | 135 km | 96 km |
| Oct 21, 1990 | 109 km WSW of Alianza Cristiana, Peru | M5.4 | 119 km | 116 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 76°F (25°C) | 7.1 in | Coldest |
| February | 80°F (27°C) | 7.0 in | |
| March | 80°F (26°C) | 8.9 in | Wettest |
| April | 80°F (26°C) | 7.8 in | |
| May | 79°F (26°C) | 7.8 in | |
| June | 79°F (26°C) | 6.5 in | |
| July | 78°F (26°C) | 5.0 in | |
| August | 79°F (26°C) | 4.7 in | Driest |
| September | 80°F (27°C) | 6.6 in | |
| October | 80°F (27°C) | 6.7 in | |
| November | 80°F (27°C) | 8.9 in | Warmest |
| December | 80°F (27°C) | 8.1 in |
San Lorenzo has a seasonal temperature swing of 4°F / from 76°F in January to 80°F in November. Total annual precipitation is 85.1 inches, with March being the wettest month (8.9") and August the driest (4.7").