United States · 1991–2020 normal
Tracy in
December.
Typical December weather in Tracy: -2.4°C by day, -10.9°C at night, 16 mm of rain over 3.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-2.4°C
Typical low-10.9°C
Rain16 mm
Wet days3.1
Comfort score 5 this month (August leads the year at 80). Daylight is calculated as 8 h 53 from latitude 44.23°.
Event window
Frost-level nights in December
The measured night-time normal is -10.9°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5050290
- NOAA station
- USC00218323 · TRACY
- Station distance
- 1.1 km from the place centre
- Coverage
- Strong coverage · 27 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.