United States · 1991–2020 normal
Tri-City in
December.
Typical December weather in Tri-City: 9.5°C by day, 2.3°C at night, 158 mm of rain over 15 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high9.5°C
Typical low2.3°C
Rain158 mm
Wet days15
Comfort score 5 this month (June leads the year at 85). Daylight is calculated as 9 h 01 from latitude 42.98°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5757355
- NOAA station
- USC00357169 · RIDDLE
- Station distance
- 5.3 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.