United States · 1991–2020 normal
Central Valley in
December.
Typical December weather in Central Valley: 4.7°C by day, -3°C at night, 115 mm of rain over 9.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high4.7°C
Typical low-3°C
Rain115 mm
Wet days9.2
Comfort score 5 this month (September leads the year at 79). Daylight is calculated as 9 h 12 from latitude 41.33°.
Event window
Frost-level nights in December
The measured night-time normal is -3°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5112162
- NOAA station
- USC00309292 · W PT
- Station distance
- 14.9 km from the place centre
- Coverage
- Strong coverage · 26 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.