December weather forecastDundas, Canada
December
Weather in December
December, the first month of the winter in Dundas, is also an icy month, with an average temperature fluctuating between -3.3°C (26.1°F) and 1.3°C (34.3°F).Temperature
The commencement of December involves a temperature shift, with the average high-temperature dropping from a frosty 7.1°C (44.8°F) in November to a cold 1.3°C (34.3°F). During the nights of December, Dundas records an average temperature of -3.3°C (26.1°F), a minor drop from daytime peaks.Humidity
In December, the average relative humidity in Dundas is 83%.Rainfall
In Dundas, during December, the rain falls for 10.9 days and regularly aggregates up to 52mm (2.05") of precipitation. In Dundas, during the entire year, the rain falls for 167.5 days and collects up to 727mm (28.62") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Dundas, during December, snow falls for 14.7 days and regularly aggregates up to 95mm (3.74") of snow. In Dundas, during the entire year, snow falls for 66 days and aggregates up to 560mm (22.05") of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Dundas.On the first day of the month, sunrise is at 7:32 am and sunset at 4:45 pm. On the last day of December, in Dundas, sunrise is at 7:51 am and sunset at 4:54 pm EST.
Sunshine
In December, the average sunshine is 3.2h.UV index
The months with the lowest UV index in Dundas are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 1 during December translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Enhance your sun protection with tightly woven, yet airy clothing. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dundas, Canada
- Average high temperature in December: 1.3°C
The warmest month (with the highest average high temperature) is July (25.7°C).
The month with the lowest average high temperature is January (-2.4°C).
- Average low temperature in December: -3.3°C
The month with the highest average low temperature is July (16.8°C).
The coldest month (with the lowest average low temperature) is January (-7.7°C).
Average pressure in December
Dundas, Canada
- Average pressure in December: 1017.7mbar
The months with the highest atmospheric pressure are March and November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).
Average wind speed in December
Dundas, Canada
- Average wind speed in December: 17.2km/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 (11.1km/h).
Average humidity in December
Dundas, Canada
- Average humidity in December: 83%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Dundas, Canada
- Average rainfall in December: 52mm
The wettest month (with the highest rainfall) is April (77mm).
The driest month (with the least rainfall) is September (42mm).
Average rainfall days in December
Dundas, Canada
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in December
Dundas, Canada
- Average snowfall in December: 95mm
The month with the highest snowfall is February (176mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Dundas, Canada
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dundas, Canada
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Dundas, Canada
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in December
Dundas, 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, February and December (UV index 1).
Average cloud cover in December
Dundas, Canada
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Dundas, Canada
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).





