United States · 1991–2020 normal
Johnston in
December.
Typical December weather in Johnston: 14.4°C by day, 0.9°C at night, 107 mm of rain over 8.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high14.4°C
Typical low0.9°C
Rain107 mm
Wet days8.6
Comfort score 28 this month (October leads the year at 81). Daylight is calculated as 9 h 55 from latitude 33.83°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4583636
- NOAA station
- USC00384607 · JOHNSTON 4 SW
- Station distance
- 7.4 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.