United States · 1991–2020 normal

Johnsburg in
December.

Typical December weather in Johnsburg: 1.2°C by day, -7.1°C at night, 46 mm of rain over 6.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high1.2°C
Typical low-7.1°C
Rain46 mm
Wet days6.2

Comfort score 5 this month (September leads the year at 79). Daylight is calculated as 9 h 05 from latitude 42.38°. Open-water sea temperature is 5.3°C (30 km from the place centre).

Event window

Frost-level nights in December

The measured night-time normal is -7.1°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4897967
NOAA station
USC00115493 · MCHENRY STRATTON LOCK/DAM
Station distance
7.9 km from the place centre
Coverage
Strong coverage · 27 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.