All Countries
Weather & Climate in San Fernano, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Fernano enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 51°F in January while summers reach 56°F in July / relatively mild seasonal variation. The area gets 328 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 2,707 feet.
Temperature
51°F Jan (10°C)
56°F Jul (13°C)
| Annual Average | 56.6°F |
| 5% above US avg | |
| January Average | 51°F (10°C) |
| July Average | 56°F (13°C) |
| Sunny Days | 328 days/yr |
Geography
| Elevation | 2,707 ft (825 m) |
| Area | 75.6 sq mi (195.8 km²) |
| Population Density | 29/sq mi |
| Coordinates | -5.9014°N, 77.2708°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
224 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.1.
| Apr 5, 1991 | 11 km NE of Rioja, Peru | M7.1 | 22 km | 20 km |
| May 30, 1990 | 6 km ESE of Segunda Jerusalén - Azunguillo, Peru | M6.6 | 14 km | 24 km |
| Apr 4, 1991 | 4 km ENE of Rioja, Peru | M6.5 | 22 km | 21 km |
| Sep 10, 2016 | 51 km N of Moyobamba, Peru | M6.1 | 51 km | 121 km |
| May 19, 2010 | 83 km NNE of Yambrasbamba, Peru | M6.0 | 96 km | 132 km |
| Jan 20, 1994 | 9 km WNW of Moyobamba, Peru | M5.8 | 27 km | 123 km |
| May 30, 1990 | 6 km NE of Rioja, Peru | M5.7 | 21 km | 22 km |
| Apr 29, 2000 | 30 km S of Soritor, Peru | M5.7 | 61 km | 125 km |
| Feb 12, 1995 | 15 km N of Yurimaguas, Peru | M5.6 | 130 km | 22 km |
| Jun 9, 1990 | 3 km E of Rioja, Peru | M5.5 | 23 km | 26 km |
| Apr 5, 1991 | 20 km NNW of Segunda Jerusalén - Azunguillo, Peru | M5.5 | 13 km | 24 km |
| Oct 25, 2012 | 5 km ESE of Yurimaguas, Peru | M5.4 | 132 km | 25 km |
| May 7, 2020 | 47 km NE of Moyobamba, Peru | M5.3 | 68 km | 23 km |
| Jun 6, 1990 | 9 km SSW of Rioja, Peru | M5.3 | 26 km | 25 km |
| Jul 23, 1997 | 29 km SE of Yurimaguas, Peru | M5.3 | 148 km | 30 km |
| Aug 6, 2002 | 58 km S of Barranca, Peru | M5.3 | 95 km | 107 km |
| Apr 4, 1991 | 11 km NE of Rioja, Peru | M5.2 | 23 km | 29 km |
| Sep 29, 2004 | 48 km NNE of Segunda Jerusalén - Azunguillo, Peru | M5.2 | 39 km | 27 km |
| Jul 25, 2011 | 57 km S of Barranca, Peru | M5.2 | 96 km | 110 km |
| Jul 29, 2002 | northern Peru | M5.2 | 130 km | 61 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (10°C) | 5.0 in | Coldest |
| February | 72°F (22°C) | 4.7 in | |
| March | 72°F (22°C) | 6.3 in | Wettest |
| April | 73°F (23°C) | 5.7 in | |
| May | 72°F (22°C) | 4.1 in | |
| June | 72°F (22°C) | 3.4 in | |
| July | 56°F (13°C) | 2.8 in | Driest |
| August | 71°F (22°C) | 2.9 in | |
| September | 72°F (22°C) | 4.0 in | |
| October | 73°F (23°C) | 5.2 in | |
| November | 73°F (23°C) | 4.9 in | Warmest |
| December | 73°F (23°C) | 4.5 in |
San Fernano has a seasonal temperature swing of 22°F / from 51°F in January to 73°F in November. Total annual precipitation is 53.5 inches, with March being the wettest month (6.3") and July the driest (2.8").