Climate almanac
San Juan
Loreto, Peru · -3.78°, -73.28°
What is the weather like in San Juan in December?
In December, San Juan is typically 86°F (30°C) during the day and 75°F (24°C) at night. The month brings about 11 in (290 mm) of precipitation in total.
- Average high86°F (30°C)
- Average low75°F (24°C)
- Precipitation11 in (290 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)