United States · 1991–2020 normal
Chatham in
December.
Typical December weather in Chatham: 10.1°C by day, -3.2°C at night, 94 mm of rain over 8.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high10.1°C
Typical low-3.2°C
Rain94 mm
Wet days8.2
Comfort score 8 this month (May leads the year at 73). Daylight is calculated as 9 h 39 from latitude 36.83°.
Event window
Frost-level nights in December
The measured night-time normal is -3.2°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4752060
- NOAA station
- USC00441614 · CHATHAM
- Station distance
- 1.2 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.