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Weather & Climate in Alto Mayo, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Alto Mayo has a warm climate with an average annual temperature of 73°F (23°C). Winters average 74°F in January while summers reach 72°F in July / relatively mild seasonal variation. The area gets 240 sunny days per year, above the national average. Annual precipitation totals 53.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 2,890 feet.
Temperature
74°F Jan (23°C)
72°F Jul (22°C)
| Annual Average | 73.2°F |
| 36% above US avg | |
| January Average | 74°F (23°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 240 days/yr |
Geography
| Elevation | 2,890 ft (881 m) |
| Area | 75.6 sq mi (195.8 km²) |
| Population Density | 7/sq mi |
| Coordinates | -5.6983°N, 77.4719°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 | 52 km | 20 km |
| May 30, 1990 | 6 km ESE of Segunda Jerusalén - Azunguillo, Peru | M6.6 | 44 km | 24 km |
| Apr 4, 1991 | 4 km ENE of Rioja, Peru | M6.5 | 54 km | 21 km |
| Feb 3, 2022 | 49 km NW of Barranca, Peru | M6.5 | 150 km | 110 km |
| Sep 10, 2016 | 51 km N of Moyobamba, Peru | M6.1 | 59 km | 121 km |
| May 19, 2010 | 83 km NNE of Yambrasbamba, Peru | M6.0 | 69 km | 132 km |
| Jan 20, 1994 | 9 km WNW of Moyobamba, Peru | M5.8 | 57 km | 123 km |
| Apr 29, 2000 | 30 km S of Soritor, Peru | M5.7 | 91 km | 125 km |
| May 30, 1990 | 6 km NE of Rioja, Peru | M5.7 | 52 km | 22 km |
| Jun 9, 1990 | 3 km E of Rioja, Peru | M5.5 | 55 km | 26 km |
| Apr 5, 1991 | 20 km NNW of Segunda Jerusalén - Azunguillo, Peru | M5.5 | 19 km | 24 km |
| Jun 6, 1990 | 9 km SSW of Rioja, Peru | M5.3 | 56 km | 25 km |
| May 7, 2020 | 47 km NE of Moyobamba, Peru | M5.3 | 87 km | 23 km |
| Aug 17, 1992 | 114 km NNE of La Peca, Peru | M5.3 | 126 km | 50 km |
| Aug 6, 2002 | 58 km S of Barranca, Peru | M5.3 | 102 km | 107 km |
| Apr 4, 1991 | 11 km NE of Rioja, Peru | M5.2 | 55 km | 29 km |
| Apr 5, 1991 | 6 km WNW of Jepelacio, Peru | M5.2 | 68 km | 43 km |
| Jun 26, 2010 | 63 km WNW of Barranca, Peru | M5.2 | 115 km | 117 km |
| Apr 12, 1991 | 32 km NNW of Moyobamba, Peru | M5.2 | 47 km | 33 km |
| Sep 29, 2004 | 48 km NNE of Segunda Jerusalén - Azunguillo, Peru | M5.2 | 44 km | 27 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 74°F (23°C) | 5.0 in | |
| February | 73°F (23°C) | 4.4 in | |
| March | 73°F (23°C) | 5.9 in | Wettest |
| April | 74°F (23°C) | 5.5 in | |
| May | 73°F (23°C) | 4.5 in | |
| June | 73°F (23°C) | 3.7 in | |
| July | 72°F (22°C) | 3.0 in | Coldest, Driest |
| August | 72°F (22°C) | 3.0 in | |
| September | 73°F (23°C) | 3.9 in | |
| October | 73°F (23°C) | 4.9 in | |
| November | 74°F (23°C) | 4.9 in | Warmest |
| December | 74°F (23°C) | 4.6 in |
Alto Mayo has a seasonal temperature swing of 2°F / from 72°F in July to 74°F in November. Total annual precipitation is 53.2 inches, with March being the wettest month (5.9") and July the driest (3.0").