United States · 1991–2020 normal
Herrin in
December.
Typical December weather in Herrin: 7.5°C by day, -2.6°C at night, 95 mm of rain over 8.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high7.5°C
Typical low-2.6°C
Rain95 mm
Wet days8.1
Comfort score 5 this month (September leads the year at 77). Daylight is calculated as 9 h 33 from latitude 37.80°.
Event window
Frost-level nights in December
The measured night-time normal is -2.6°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4240540
- NOAA station
- USC00111265 · CARBONDALE SEWAGE PLT
- Station distance
- 14.6 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.