United States · 1991–2020 normal
Union in
December.
Typical December weather in Union: 4°C by day, -3.6°C at night, 29 mm of rain over 8.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high4°C
Typical low-3.6°C
Rain29 mm
Wet days8.1
Comfort score 5 this month (June leads the year at 81). Daylight is calculated as 8 h 46 from latitude 45.21°.
Event window
Frost-level nights in December
The measured night-time normal is -3.6°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5758113
- NOAA station
- USC00358746 · UNION
- Station distance
- 1.1 km from the place centre
- Coverage
- Good coverage · 20 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.