United States · 1991–2020 normal
Cortland in
December.
Typical December weather in Cortland: 0.9°C by day, -7.2°C at night, 51 mm of rain over 7.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high0.9°C
Typical low-7.2°C
Rain51 mm
Wet days7.1
Comfort score 5 this month (September leads the year at 84). Daylight is calculated as 9 h 08 from latitude 41.92°.
Event window
Frost-level nights in December
The measured night-time normal is -7.2°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4888810
- NOAA station
- USC00112223 · DE KALB
- Station distance
- 7.4 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.