United States · 1991–2020 normal
Petersburg in
December.
Typical December weather in Petersburg: 3.1°C by day, -4.3°C at night, 66 mm of rain over 8.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high3.1°C
Typical low-4.3°C
Rain66 mm
Wet days8.4
Comfort score 5 this month (September leads the year at 84). Daylight is calculated as 9 h 09 from latitude 41.90°. Open-water sea temperature is 3.2°C (28 km from the place centre).
Event window
Frost-level nights in December
The measured night-time normal is -4.3°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5005450
- NOAA station
- USC00202308 · DUNDEE
- Station distance
- 8.1 km from the place centre
- Coverage
- Good coverage · 19 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.