United States · 1991–2020 normal
Derry in
December.
Typical December weather in Derry: 5.4°C by day, -3.5°C at night, 88 mm of rain over 12.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high5.4°C
Typical low-3.5°C
Rain88 mm
Wet days12.6
Comfort score 5 this month (September leads the year at 77). Daylight is calculated as 9 h 18 from latitude 40.33°.
Event window
Frost-level nights in December
The measured night-time normal is -3.5°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5186775
- NOAA station
- USC00362108 · DERRY 4 SW
- Station distance
- 4.7 km from the place centre
- Coverage
- Good coverage · 17 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.