United States · 1991–2020 normal
California in
December.
Typical December weather in California: 6.2°C by day, -3.7°C at night, 54 mm of rain over 5.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high6.2°C
Typical low-3.7°C
Rain54 mm
Wet days5.1
Comfort score 5 this month (September leads the year at 79). Daylight is calculated as 9 h 29 from latitude 38.63°.
Event window
Frost-level nights in December
The measured night-time normal is -3.7°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4379545
- NOAA station
- USC00231189 · CALIFORNIA
- Station distance
- 0.9 km from the place centre
- Coverage
- Strong coverage · 28 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.