December weather forecastRockglen, Canada
December
Weather in December
December, the first month of the winter in Rockglen, is still a freezing cold month, with an average temperature ranging between max -5.6°C (21.9°F) and min -12.2°C (10°F).Temperature
December's arrival is marked by a notable drop in high-temperatures, falling from a cold 2.4°C (36.3°F) in November to a freezing cold -5.6°C (21.9°F). Rockglen records a consistent low-temperature of -12.2°C (10°F) during December nights.Humidity
In December, the average relative humidity in Rockglen is 87%.Rainfall
In Rockglen, in December, during 3.6 rainfall days, 13mm (0.51") of precipitation is typically accumulated. In Rockglen, during the entire year, the rain falls for 93.3 days and collects up to 305mm (12.01") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Rockglen, during December, snow falls for 13 days and regularly aggregates up to 81mm (3.19") of snow. In Rockglen, Canada, during the entire year, snow falls for 66.5 days and aggregates up to 483mm (19.02") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 18min of daylight.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 December, the average sunshine in Rockglen is 4.2h.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. 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
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 18min
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 12min
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).
