United States · 1991–2020 normal

West Portsmouth in
December.

Typical December weather in West Portsmouth: 7.5°C by day, -2.3°C at night, 89 mm of rain over 8.6 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high7.5°C
Typical low-2.3°C
Rain89 mm
Wet days8.6

Comfort score 5 this month (September leads the year at 79). Daylight is calculated as 9 h 28 from latitude 38.76°.

Event window

Frost-level nights in December

The measured night-time normal is -2.3°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4528051
NOAA station
USC00336781 · PORTSMOUTH-SCIOTOVILLE
Station distance
12.3 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.