United States · 1991–2020 normal

Oswego in
December.

Typical December weather in Oswego: 8.2°C by day, -2.4°C at night, 64 mm of rain over 5.3 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high8.2°C
Typical low-2.4°C
Rain64 mm
Wet days5.3

Comfort score 11 this month (September leads the year at 74). Daylight is calculated as 9 h 37 from latitude 37.17°.

Event window

Frost-level nights in December

The measured night-time normal is -2.4°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4276800
NOAA station
USC00141740 · COLUMBUS
Station distance
24.8 km from the place centre
Coverage
Strong coverage · 29 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.