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Weather & Climate in Tres Unidos, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tres Unidos enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 69°F in January while summers reach 67°F in July / relatively mild seasonal variation. The area gets 317 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 97.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 902 feet.
Temperature
69°F Jan (21°C)
67°F Jul (20°C)
| Annual Average | 67.8°F |
| 26% above US avg | |
| January Average | 69°F (21°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 902 ft (275 m) |
| Area | 90.8 sq mi (235.3 km²) |
| Population Density | 21/sq mi |
| Coordinates | -6.8069°N, 76.2294°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
200 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 | 132 km | 20 km |
| May 30, 1990 | 6 km ESE of Segunda Jerusalén - Azunguillo, Peru | M6.6 | 141 km | 24 km |
| Apr 4, 1991 | 4 km ENE of Rioja, Peru | M6.5 | 131 km | 21 km |
| Jan 20, 1994 | 9 km WNW of Moyobamba, Peru | M5.8 | 128 km | 123 km |
| Apr 29, 2000 | 30 km S of Soritor, Peru | M5.7 | 102 km | 125 km |
| May 30, 1990 | 6 km NE of Rioja, Peru | M5.7 | 132 km | 22 km |
| Feb 12, 1995 | 15 km N of Yurimaguas, Peru | M5.6 | 117 km | 22 km |
| Dec 25, 1999 | 57 km ENE of Navarro, Peru | M5.5 | 130 km | 27 km |
| Jun 9, 1990 | 3 km E of Rioja, Peru | M5.5 | 130 km | 26 km |
| Oct 25, 2012 | 5 km ESE of Yurimaguas, Peru | M5.4 | 100 km | 25 km |
| Aug 27, 2010 | 19 km SW of Contamana, Peru | M5.3 | 140 km | 131 km |
| Apr 10, 2005 | 59 km ESE of Huicungo, Peru | M5.3 | 86 km | 135 km |
| Jun 6, 1990 | 9 km SSW of Rioja, Peru | M5.3 | 132 km | 25 km |
| May 7, 2020 | 47 km NE of Moyobamba, Peru | M5.3 | 132 km | 23 km |
| Jul 23, 1997 | 29 km SE of Yurimaguas, Peru | M5.3 | 85 km | 30 km |
| Apr 12, 1991 | 32 km NNW of Moyobamba, Peru | M5.2 | 149 km | 33 km |
| Jun 8, 2017 | 76 km ENE of Tocache, Peru | M5.2 | 139 km | 109 km |
| Jul 29, 2002 | northern Peru | M5.2 | 68 km | 61 km |
| May 8, 2017 | 21 km NW of Tocache, Peru | M5.2 | 146 km | 10 km |
| Apr 4, 1991 | 11 km NE of Rioja, Peru | M5.2 | 130 km | 29 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 69°F (21°C) | 4.3 in | |
| February | 79°F (26°C) | 4.0 in | |
| March | 79°F (26°C) | 6.5 in | Wettest |
| April | 79°F (26°C) | 5.6 in | |
| May | 79°F (26°C) | 3.7 in | |
| June | 78°F (26°C) | 3.1 in | |
| July | 67°F (20°C) | 2.7 in | Coldest, Driest |
| August | 79°F (26°C) | 3.1 in | |
| September | 79°F (26°C) | 4.3 in | |
| October | 80°F (27°C) | 5.0 in | |
| November | 80°F (27°C) | 4.3 in | Warmest |
| December | 80°F (27°C) | 3.2 in |
Tres Unidos has a seasonal temperature swing of 13°F / from 67°F in July to 80°F in November. Total annual precipitation is 49.8 inches, with March being the wettest month (6.5") and July the driest (2.7").