United States · 1991–2020 normal
Discovery Bay in
December.
Typical December weather in Discovery Bay: 13.9°C by day, 4.5°C at night, 60 mm of rain over 7.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high13.9°C
Typical low4.5°C
Rain60 mm
Wet days7.6
Comfort score 40 this month (October leads the year at 88). Daylight is calculated as 9 h 33 from latitude 37.91°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5343202
- NOAA station
- USC00049001 · TRACY PUMPING PLT
- Station distance
- 12.6 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.