December weather forecastBowmanville, Canada
December
Weather in December
The first month of the winter, December, is still a cold month in Bowmanville, Canada, with temperature in the range of an average high of 0.5°C (32.9°F) and an average low of -3.6°C (25.5°F).Temperature
December's onset brings a slight change in high-temperatures, falling from a chilly 6.1°C (43°F) in November to an icy 0.5°C (32.9°F). The month of December is marked by an average minimum temperature of -3.6°C (25.5°F), slightly cooler than its daytime counterpart.Humidity
In Bowmanville, Canada, the average relative humidity in December is 84%.Rainfall
In Bowmanville, Canada, in December, it is raining for 9.8 days, with typically 44mm (1.73") of accumulated precipitation. Throughout the year, in Bowmanville, there are 158.8 rainfall days, and 693mm (27.28") of precipitation is accumulated.Snowfall
Months with snowfall in Bowmanville, Canada, are January through April, November and December. In December, it is snowing for 9.1 days. Throughout December, 65mm (2.56") of snow is accumulated. In Bowmanville, during the entire year, snow falls for 51.4 days and aggregates up to 383mm (15.08") of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:29 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 4:47 pm EST.
Sunshine
In Bowmanville, the average sunshine in December is 3.3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bowmanville, Canada
- Average high temperature in December: 0.5°C
The warmest month (with the highest average high temperature) is July (24.4°C).
The month with the lowest average high temperature is January (-2.9°C).
- Average low temperature in December: -3.6°C
The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in December
Bowmanville, Canada
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).
Average wind speed in December
Bowmanville, Canada
- Average wind speed in December: 17.9km/h
The windiest month (with the highest average wind speed) is January (18.7km/h).
The calmest month (with the lowest average wind speed) is July (11.4km/h).
Average humidity in December
Bowmanville, Canada
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Bowmanville, Canada
- Average rainfall in December: 44mm
The wettest month (with the highest rainfall) is August (73mm).
The driest months (with the least rainfall) are February and November (43mm).
Average rainfall days in December
Bowmanville, Canada
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Bowmanville, Canada
- Average snowfall in December: 65mm
The month with the highest snowfall is February (110mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Bowmanville, Canada
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bowmanville, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Bowmanville, Canada
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in December
Bowmanville, 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
Bowmanville, 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 28).
Average visibility in December
Bowmanville, Canada
- Average visibility in December: 9km
The months with the highest visibility are August and September (10km).
The month with the lowest visibility is January (8km).
