United States · 1991–2020 normal
Union in
December.
Typical December weather in Union: 13.4°C by day, -0.5°C at night, 101 mm of rain over 8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high13.4°C
Typical low-0.5°C
Rain101 mm
Wet days8
Comfort score 23 this month (October leads the year at 78). Daylight is calculated as 9 h 50 from latitude 34.72°.
Event window
Frost-level nights in December
The measured night-time normal is -0.5°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4599214
- NOAA station
- USC00388786 · UNION 8 S
- Station distance
- 12.7 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.