United States · 1991–2020 normal

Marlborough in
December.

Typical December weather in Marlborough: 7.1°C by day, -1.1°C at night, 63 mm of rain over 6.5 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high7.1°C
Typical low-1.1°C
Rain63 mm
Wet days6.5

Comfort score 8 this month (May leads the year at 78). Daylight is calculated as 9 h 29 from latitude 38.57°.

Event window

Frost-level nights in December

The measured night-time normal is -1.1°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4397163
NOAA station
USC00237452 · ST LOUIS SCI CTR
Station distance
8.9 km from the place centre
Coverage
Good coverage · 24 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.