United States · 1991–2020 normal
Johnson in
December.
Typical December weather in Johnson: 8.7°C by day, -6.4°C at night, 17 mm of rain over 2.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high8.7°C
Typical low-6.4°C
Rain17 mm
Wet days2.5
Comfort score 11 this month (May leads the year at 80). Daylight is calculated as 9 h 35 from latitude 37.57°.
Event window
Frost-level nights in December
The measured night-time normal is -6.4°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5445688
- NOAA station
- USC00144114 · JOHNSON
- Station distance
- 0.4 km from the place centre
- Coverage
- Strong coverage · 26 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.