United States · 1991–2020 normal

Watertown in
December.

Typical December weather in Watertown: -3°C by day, -12.5°C at night, 17 mm of rain over 3.9 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high-3°C
Typical low-12.5°C
Rain17 mm
Wet days3.9

Comfort score 5 this month (August leads the year at 82). Daylight is calculated as 8 h 48 from latitude 44.90°.

Event window

Frost-level nights in December

The measured night-time normal is -12.5°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5232741
NOAA station
USW00014946 · WATERTOWN RGNL AP
Station distance
2.8 km from the place centre
Coverage
Strong coverage · 28 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.