United States · 1991–2020 normal
Dumbarton in
December.
Typical December weather in Dumbarton: 10.9°C by day, -0.6°C at night, 96 mm of rain over 7.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high10.9°C
Typical low-0.6°C
Rain96 mm
Wet days7.7
Comfort score 16 this month (September leads the year at 75). Daylight is calculated as 9 h 35 from latitude 37.60°.
Event window
Frost-level nights in December
The measured night-time normal is -0.6°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4756653
- NOAA station
- USW00093775 · ASHLAND HANOVER CO MUNI AP
- Station distance
- 12.7 km from the place centre
- Coverage
- Good coverage · 23 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.