United States · 1991–2020 normal
Norwalk in
December.
Typical December weather in Norwalk: 3.6°C by day, -3.8°C at night, 66 mm of rain over 9.9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high3.6°C
Typical low-3.8°C
Rain66 mm
Wet days9.9
Comfort score 5 this month (September leads the year at 83). Daylight is calculated as 9 h 13 from latitude 41.24°. Open-water sea temperature is 3.9°C (43 km from the place centre).
Event window
Frost-level nights in December
The measured night-time normal is -3.8°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5165101
- NOAA station
- USC00336118 · NORWALK WWTP
- Station distance
- 2.3 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.