United States · 1991–2020 normal
Dennis in
December.
Typical December weather in Dennis: 6.8°C by day, -1.7°C at night, 109 mm of rain over 10.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high6.8°C
Typical low-1.7°C
Rain109 mm
Wet days10.4
Comfort score 5 this month (June leads the year at 83). Daylight is calculated as 9 h 10 from latitude 41.74°. Open-water sea temperature is 7.2°C (14 km from the place centre).
Event window
Frost-level nights in December
The measured night-time normal is -1.7°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4934749
- NOAA station
- USW00094720 · HYANNIS BARNSTABLE MUNI AP
- Station distance
- 9.5 km from the place centre
- Coverage
- Good coverage · 23 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.