Climate almanac
Merlo
San Luis, Argentina · -32.34°, -65.01°
What is the weather like in Merlo in December?
In December, Merlo is typically 81°F (27°C) during the day and 59°F (15°C) at night. The month brings about 3.6 in (92 mm) of precipitation in total.
- Average high81°F (27°C)
- Average low59°F (15°C)
- Precipitation3.6 in (92 mm)
- Clear or mostly clear days19
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)