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Weather & Climate in Dos de Mayo, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Dos de Mayo has a cool climate with an average annual temperature of 45°F (7°C). Winters average 43°F in January while summers reach 44°F in July / relatively mild seasonal variation. The area gets 346 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 52.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 7,470 feet.
Temperature
43°F Jan (6°C)
44°F Jul (7°C)
| Annual Average | 44.7°F |
| 17% below US avg | |
| January Average | 43°F (6°C) |
| July Average | 44°F (7°C) |
| Sunny Days | 346 days/yr |
Geography
| Elevation | 7,470 ft (2,277 m) |
| Area | 196.3 sq mi (508.5 km²) |
| Population Density | 4/sq mi |
| Coordinates | -6.7166°N, 77.8013°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
132 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 | 113 km | 20 km |
| May 30, 1990 | 6 km ESE of Segunda Jerusalén - Azunguillo, Peru | M6.6 | 100 km | 24 km |
| Apr 4, 1991 | 4 km ENE of Rioja, Peru | M6.5 | 106 km | 21 km |
| Apr 11, 2005 | 18 km ENE of Shirac, Peru | M6.0 | 65 km | 130 km |
| Jan 20, 1994 | 9 km WNW of Moyobamba, Peru | M5.8 | 115 km | 123 km |
| May 30, 1990 | 6 km NE of Rioja, Peru | M5.7 | 108 km | 22 km |
| Apr 29, 2000 | 30 km S of Soritor, Peru | M5.7 | 89 km | 125 km |
| Apr 5, 1991 | 20 km NNW of Segunda Jerusalén - Azunguillo, Peru | M5.5 | 113 km | 24 km |
| Jun 9, 1990 | 3 km E of Rioja, Peru | M5.5 | 103 km | 26 km |
| Jun 6, 1990 | 9 km SSW of Rioja, Peru | M5.3 | 92 km | 25 km |
| Dec 15, 2013 | 4 km NNE of Huicungo, Peru | M5.2 | 130 km | 62 km |
| Sep 29, 2004 | 48 km NNE of Segunda Jerusalén - Azunguillo, Peru | M5.2 | 147 km | 27 km |
| Apr 4, 1991 | 11 km NE of Rioja, Peru | M5.2 | 113 km | 29 km |
| Apr 12, 1991 | 32 km NNW of Moyobamba, Peru | M5.2 | 135 km | 33 km |
| Jul 29, 2002 | northern Peru | M5.2 | 112 km | 61 km |
| Apr 5, 1991 | 6 km WNW of Jepelacio, Peru | M5.2 | 113 km | 43 km |
| Apr 12, 1991 | 21 km NNE of Rioja, Peru | M5.1 | 122 km | 33 km |
| Apr 6, 1991 | 2 km WSW of Moyobamba, Peru | M5.1 | 116 km | 40 km |
| Apr 5, 1991 | 22 km NNE of Segunda Jerusalén - Azunguillo, Peru | M5.0 | 121 km | 33 km |
| Apr 7, 1991 | 2 km WNW of Rioja, Peru | M5.0 | 101 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 4.7 in | Coldest |
| February | 56°F (13°C) | 5.3 in | |
| March | 56°F (13°C) | 6.7 in | Wettest |
| April | 56°F (13°C) | 4.9 in | |
| May | 56°F (13°C) | 2.5 in | |
| June | 55°F (13°C) | 1.9 in | |
| July | 44°F (7°C) | 2.0 in | |
| August | 55°F (13°C) | 1.7 in | Driest |
| September | 56°F (13°C) | 2.7 in | |
| October | 57°F (14°C) | 5.1 in | |
| November | 57°F (14°C) | 4.4 in | Warmest |
| December | 57°F (14°C) | 4.6 in |
Dos de Mayo has a seasonal temperature swing of 14°F / from 43°F in January to 57°F in November. Total annual precipitation is 46.4 inches, with March being the wettest month (6.7") and August the driest (1.7").