Climate almanac
San Juan
Ica, Peru · -15.37°, -75.16°
What is the climate like in San Juan?
San Juan is comfortable to visit year-round; trip comfort peaks in April (8.1/10). San Juan is warmest in February, when daily highs average 76°F (25°C), and coolest in August, when lows fall to about 55°F (13°C). The wettest month is typically February and the driest is April; the year sees roughly 3.3 in (85 mm) of precipitation.
- Best time to visitYear-round — comfort peaks in April (8.1/10)
- Warmest monthFebruary — average high 76°F (25°C)
- Coolest monthAugust — average low 55°F (13°C)
- Wettest monthFebruary (0.5 in (14 mm))
- Driest monthApril (0.1 in (3 mm))
- Annual precipitation3.3 in (85 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromSan Juan, 2 km away (1958-1997)