December weather forecastStony Mountain, Canada
December
Weather in December
December, the first month of the winter in Stony Mountain, is also a subzero cold month, with an average temperature ranging between max -9.5°C (14.9°F) and min -14.9°C (5.2°F).Temperature
December's arrival witnesses a distinct temperature drop, receding from November's icy 0°C (32°F) to a subzero cold -9.5°C (14.9°F). Stony Mountain records a mean low-temperature of -14.9°C (5.2°F) in December.Humidity
In Stony Mountain, the average relative humidity in December is 91%.Rainfall
In December, the rain falls for 1.7 days. Throughout December, 12mm (0.47") of precipitation is accumulated. In Stony Mountain, during the entire year, the rain falls for 101.8 days and collects up to 395mm (15.55") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Stony Mountain, in December, snow falls for 12.1 days, with typically accumulated 61mm (2.4") of snow. In Stony Mountain, during the entire year, snow falls for 73.2 days and aggregates up to 479mm (18.86") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 8:06 am and sunset at 4:29 pm. On the last day of December, sunrise is at 8:27 am and sunset at 4:36 pm CST.
Sunshine
The average sunshine in December is 3h.UV index
January, February, October through 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 unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Stony Mountain, Canada
- Average high temperature in December: -9.5°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (-11.3°C).
- Average low temperature in December: -14.9°C
The month with the highest average low temperature is July (14.8°C).
The coldest month (with the lowest average low temperature) is January (-18.5°C).
Average pressure in December
Stony Mountain, Canada
- Average pressure in December: 1019.4mbar
The month with the highest atmospheric pressure is February (1020.9mbar).
The month with the lowest atmospheric pressure is June (1010.5mbar).
Average wind speed in December
Stony Mountain, Canada
- Average wind speed in December: 14.7km/h
The windiest month (with the highest average wind speed) is October (16km/h).
The calmest month (with the lowest average wind speed) is August (12.8km/h).
Average humidity in December
Stony Mountain, Canada
- Average humidity in December: 91%
The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are May and August (63%).
Average rainfall in December
Stony Mountain, Canada
- Average rainfall in December: 12mm
The wettest month (with the highest rainfall) is June (70mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in December
Stony Mountain, Canada
- Average rainfall days in December: 1.7 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (1.2 days).
Average snowfall in December
Stony Mountain, Canada
- Average snowfall in December: 61mm
The month with the highest snowfall is November (91mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Stony Mountain, Canada
- Average snowfall days in December: 12.1 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Stony Mountain, Canada
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h 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: 2h and 30min).
Average sunshine days in December
Stony Mountain, Canada
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in December
Stony Mountain, 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, October, November and December (UV index 1).
Average cloud cover in December
Stony Mountain, Canada
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Stony Mountain, Canada
- Average visibility in December: 8km
The months with the highest visibility are August and September (10km).
The month with the lowest visibility is January (7km).
