All Countries
Weather & Climate in San Isidro, Peru
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Isidro has a warm climate with an average annual temperature of 80°F (26°C). Winters average 80°F in January while summers reach 78°F in July / relatively mild seasonal variation. The area gets 132 sunny days per year, below the national average of 205. Annual precipitation totals 112.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 259 feet.
Temperature
80°F Jan (26°C)
78°F Jul (25°C)
| Annual Average | 79.5°F |
| 47% above US avg | |
| January Average | 80°F (26°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 132 days/yr |
Geography
| Elevation | 259 ft (79 m) |
| Area | 519.6 sq mi (1,345.7 km²) |
| Population Density | 1/sq mi |
| Coordinates | -3.8646°N, 71.3533°W |
| Timezone | America/Lima |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| May 10, 1997 | 174 km SW of Puerto Nariño, Colombia | M3.7 | 97 km | 650 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (26°C) | 11.9 in | |
| February | 80°F (27°C) | 10.4 in | |
| March | 80°F (26°C) | 11.7 in | |
| April | 80°F (26°C) | 12.2 in | Wettest |
| May | 79°F (26°C) | 11.0 in | |
| June | 79°F (26°C) | 8.3 in | |
| July | 78°F (25°C) | 6.6 in | Coldest |
| August | 79°F (26°C) | 6.3 in | Driest |
| September | 80°F (27°C) | 7.7 in | |
| October | 80°F (27°C) | 8.4 in | |
| November | 81°F (27°C) | 8.4 in | Warmest |
| December | 80°F (27°C) | 9.5 in |
San Isidro has a seasonal temperature swing of 3°F / from 78°F in July to 81°F in November. Total annual precipitation is 112.2 inches, with April being the wettest month (12.2") and August the driest (6.3").