The month of December in Halifax experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 54% throughout the month.
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Halifax, the chance of a wet day over the course of December is essentially constant, remaining around 31% throughout.
The average sliding 31-day rainfall during December in Halifax is decreasing, starting the month at 3.6 inches, when it rarely exceeds 5.7 inches or falls below 1.7 inches, and ending the month at 2.6 inches, when it rarely exceeds 4.3 inches or falls below 1.0 inches.
The average sliding 31-day snowfall during December in Halifax is rapidly increasing, starting the month at 2.6 inches, when it rarely exceeds 6.2 inches or falls below 0.1 inches, and ending the month at 7.4 inches, when it rarely exceeds 17.7 inches or falls below 0.8 inches.
Over the course of December in Halifax, the length of the day is essentially constant. The shortest day of the month is December 21, with 8 hours, 49 minutes of daylight and the longest day is December 1, with 9 hours, 4 minutes of daylight.
The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases.
We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.