Climate almanac
San Mateo
Cagayan Valley, Philippines · 16.88°, 121.59°
What is the weather like in San Mateo in December?
In December, San Mateo is typically 80°F (27°C) during the day and 71°F (22°C) at night. The month brings about 12 in (306 mm) of precipitation in total.
- Average high80°F (27°C)
- Average low71°F (22°C)
- Precipitation12 in (306 mm)
- Clear or mostly clear days2
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)