Climate almanac
Riachão
Maranhão, Brazil · -7.36°, -46.62°
What is the weather like in Riachão in December?
In December, Riachão is typically 87°F (30°C) during the day and 72°F (22°C) at night. The month brings about 8.0 in (203 mm) of precipitation in total.
- Average high87°F (30°C)
- Average low72°F (22°C)
- Precipitation8.0 in (203 mm)
- Clear or mostly clear days3
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)