Climate almanac
União
Piauí, Brazil · -4.59°, -42.86°
What is the weather like in União in December?
In December, União is typically 94°F (35°C) during the day and 76°F (25°C) at night. The month brings about 3.2 in (81 mm) of precipitation in total.
- Average high94°F (35°C)
- Average low76°F (25°C)
- Precipitation3.2 in (81 mm)
- Clear or mostly clear days5
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)