December weather forecastCobourg, Canada
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Cobourg, Canada, with an average temperature varying between -0.5°C (31.1°F) and -5.5°C (22.1°F).Temperature
The commencement of December involves a temperature shift, with the average high-temperature dropping from a wintry 5.6°C (42.1°F) in November to a freezing cold -0.5°C (31.1°F). The nights of December cool down to an average low of -5.5°C (22.1°F), subtly lower than daytime highs.Humidity
In Cobourg, the average relative humidity in December is 85%.Rainfall
In December, the rain falls for 7.6 days. Throughout December, 45mm (1.77") of precipitation is accumulated. Throughout the year, there are 143.9 rainfall days, and 609mm (23.98") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Cobourg, in December, snow falls for 11.1 days, with typically accumulated 95mm (3.74") of snow. Throughout the year, in Cobourg, there are 51.7 snowfall days, and 484mm (19.06") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:27 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:47 am and sunset at 4:44 pm EST.
Sunshine
The average sunshine in December is 3.4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Cobourg. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cobourg, Canada
- Average high temperature in December: -0.5°C
The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-3.7°C).
- Average low temperature in December: -5.5°C
The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (-10.3°C).
Average pressure in December
Cobourg, Canada
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is March (1018.2mbar).
The month with the lowest atmospheric pressure is June (1012.8mbar).
Average wind speed in December
Cobourg, Canada
- Average wind speed in December: 15.5km/h
The windiest month (with the highest average wind speed) is January (16.2km/h).
The calmest month (with the lowest average wind speed) is July (10.6km/h).
Average humidity in December
Cobourg, Canada
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Cobourg, Canada
- Average rainfall in December: 45mm
The wettest month (with the highest rainfall) is October (69mm).
The driest month (with the least rainfall) is February (31mm).
Average rainfall days in December
Cobourg, Canada
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in December
Cobourg, Canada
- Average snowfall in December: 95mm
The month with the highest snowfall is January (122mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Cobourg, Canada
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cobourg, Canada
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Cobourg, Canada
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is March (17.2 days).
The month with the least sunshine days is August (10.1 days).
Average UV index in December
Cobourg, Canada
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Cobourg, Canada
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Cobourg, Canada
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).





