Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With the onset of December, Rockglen's average high-temperature witnesses a clear drop, receding from November's wintry 2.4°C (36.3°F) to a subzero cold -5.6°C (21.9°F). December in Rockglen sees the temperature falling to a mean low of -12.2°C (10°F).Humidity
In Rockglen, the average relative humidity in December is 87%.Rainfall
In Rockglen, during December, the rain falls for 3.6 days and regularly aggregates up to 13mm (0.51") of precipitation. In Rockglen, Canada, during the entire year, the rain falls for 93.3 days and collects up to 305mm (12.01") of precipitation.Snowfall
January through May, October through December are months with snowfall in Rockglen. In Rockglen, in December, during 13 snowfall days, 81mm (3.19") of snow is typically accumulated. In Rockglen, Canada, during the entire year, snow falls for 66.5 days and aggregates up to 483mm (19.02") of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 8:38 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 8:58 am and sunset at 5:15 pm CST.
Sunshine
In Rockglen, the average sunshine in December is 4.2h.UV index
In December, the average daily maximum UV index in Rockglen is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Rockglen in December?
What is the average humidity in December in Rockglen?
How many days does it rain in December in Rockglen?
How many days does it snow in December in Rockglen?
What is the month with the shortest days in Rockglen?
What is the average length of the day in December in Rockglen?
When are sunrise and sunset in December in Rockglen?
How long on average sun shines in December in Rockglen?
What is the UV index intensity in December in Rockglen?
Average temperature in December
Rockglen, Canada
- Average high temperature in December: -5.6°C
The warmest month (with the highest average high temperature) is July (27.8°C).
The month with the lowest average high temperature is February (-6.8°C).
- Average low temperature in December: -12.2°C
The month with the highest average low temperature is July (16.1°C).
The coldest month (with the lowest average low temperature) is February (-14.3°C).
Average pressure in December
Rockglen, Canada
- Average pressure in December: 1020.4mbar
The month with the highest atmospheric pressure is February (1021.6mbar).
The month with the lowest atmospheric pressure is June (1010.2mbar).
Average wind speed in December
Rockglen, Canada
- Average wind speed in December: 15.9km/h
The windiest month (with the highest average wind speed) is April (17.8km/h).
The calmest month (with the lowest average wind speed) is February (14.8km/h).
Average humidity in December
Rockglen, Canada
- Average humidity in December: 87%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is August (46%).
Average rainfall in December
Rockglen, Canada
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is June (55mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days in December
Rockglen, Canada
- Average rainfall days in December: 3.6 days
The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in December
Rockglen, Canada
- Average snowfall in December: 81mm
The month with the highest snowfall is November (95mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Rockglen, Canada
- Average snowfall days in December: 13 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rockglen, Canada
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Rockglen, Canada
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is August (20.1 days).
The months with the least sunshine days are February and June (13.8 days).
Average UV index in December
Rockglen, Canada
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Rockglen, Canada
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility in December
Rockglen, Canada
- Average visibility in December: 8km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and December (8km).
Rockglen, Canada
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