December weather forecastWiarton, Canada
December
Weather in December
December, the first month of the winter in Wiarton, is also an icy month, with an average temperature ranging between max 0.4°C (32.7°F) and min -3.2°C (26.2°F).Temperature
During the transition into December, Wiarton observes a decrease in the average high-temperature, falling from a cold 5.6°C (42.1°F) in November to a still wintry 0.4°C (32.7°F). During the nights of December, the average low-temperature holds at a freezing cold -3.2°C (26.2°F).Humidity
The average relative humidity in December is 84%.Rainfall
In Wiarton, during December, the rain falls for 8.3 days and regularly aggregates up to 64mm (2.52") of precipitation. Throughout the year, there are 146.1 rainfall days, and 731mm (28.78") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Wiarton, during December, snow falls for 15.5 days and regularly aggregates up to 159mm (6.26") of snow. In Wiarton, during the entire year, snow falls for 75.9 days and aggregates up to 698mm (27.48") of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Wiarton.On the first day of December in Wiarton, sunrise is at 7:42 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 4:54 pm EST.
Sunshine
The average sunshine in December is 2h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wiarton, Canada
- Average high temperature in December: 0.4°C
The warmest month (with the highest average high temperature) is August (22°C).
The month with the lowest average high temperature is January (-3.3°C).
- Average low temperature in December: -3.2°C
The month with the highest average low temperature is August (16.7°C).
The coldest month (with the lowest average low temperature) is February (-7.7°C).
Average pressure in December
Wiarton, Canada
- Average pressure in December: 1016.9mbar
The month with the highest atmospheric pressure is March (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).
Average wind speed in December
Wiarton, Canada
- Average wind speed in December: 23.7km/h
The windiest month (with the highest average wind speed) is January (24km/h).
The calmest month (with the lowest average wind speed) is June (13.4km/h).
Average humidity in December
Wiarton, Canada
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is September (77%).
Average rainfall in December
Wiarton, Canada
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is October (78mm).
The driest month (with the least rainfall) is July (40mm).
Average rainfall days in December
Wiarton, Canada
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is October (18.2 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in December
Wiarton, Canada
- Average snowfall in December: 159mm
The month with the highest snowfall is January (178mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Wiarton, Canada
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wiarton, Canada
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 2h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in December
Wiarton, Canada
- Average sunshine days in December: 5.5 days
The month with the most sunshine days is July (15.1 days).
The month with the least sunshine days is December (5.5 days).
Average UV index in December
Wiarton, Canada
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Wiarton, Canada
- Average cloud cover in December: 81
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Wiarton, Canada
- Average visibility in December: 8km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February and December (8km).





