United States · 1991–2020 normal
Union City in
December.
Typical December weather in Union City: 3°C by day, -5°C at night, 65 mm of rain over 8.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high3°C
Typical low-5°C
Rain65 mm
Wet days8.1
Comfort score 5 this month (September leads the year at 85). Daylight is calculated as 9 h 19 from latitude 40.20°.
Event window
Frost-level nights in December
The measured night-time normal is -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 11820632
- NOAA station
- USC00129678 · WINCHESTER AIRPORT 3 E
- Station distance
- 10.4 km from the place centre
- Coverage
- Good coverage · 21 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.