December weather forecast and climate
Bolton, CT

Average temperature in December - Bolton, CT
  • Average high temperature in December: 40°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (35°F).

  • Average low temperature in December: 20°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (13°F).

Average rainfall in December - Bolton, CT
  • Average rainfall in December: 4"

Wettest months (with the highest rainfall) are October and November (4.6").
The driest month (with the lowest rainfall) is February (3.1").

Average daylight in December - Bolton, CT
  • Average daylight in December: 9.2h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).