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 sea temperature 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
December
Weather in December
Temperature
The arrival of December correlates with a minor temperature reduction, down from November's chilly 6.5°C (43.7°F) to an icy 2.1°C (35.8°F). Bay Roberts maintains an average low-temperature of -1.4°C (29.5°F) throughout December's nights.Humidity
September through December, with an average relative humidity of 82%, are the least humid months.Rainfall
In Bay Roberts, in December, it is raining for 12.6 days, with typically 89mm (3.5") of accumulated precipitation. Throughout the year, there are 160.6 rainfall days, and 791mm (31.14") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In Bay Roberts, during December, snow falls for 10.1 days and regularly aggregates up to 95mm (3.74") of snow. In Bay Roberts, during the entire year, snow falls for 53.6 days and aggregates up to 441mm (17.36") of snow.Sea temperature
In Bay Roberts, Canada, in December, the average water temperature is 2.8°C (37°F).Note: While swimming, this scenario is perilously cold, dangerous, and potentially fatal. Hypothermia is almost imminent without proper insulated waterproof attire.
Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:30 am and sunset at 4:13 pm. On the last day of December, sunrise is at 7:51 am and sunset at 4:21 pm NST.
Sunshine
The average sunshine in December is 3.2h.UV index
January through April, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Bay Roberts?
What are the least humid months in Bay Roberts?
What is the average humidity in December in Bay Roberts?
How many days does it rain in December in Bay Roberts?
How many days does it snow in December in Bay Roberts?
What is the water temperature in December in Bay Roberts?
What is the month with the shortest days in Bay Roberts?
What is the average length of the day in December in Bay Roberts?
When is the sunrise / sunset in December in Bay Roberts?
How many hours of sunshine does Bay Roberts have in December?
When is the lowest UV index in Bay Roberts?
What is the UV index intensity in December in Bay Roberts?
Average temperature in December
Bay Roberts, Canada
- Average high temperature in December: 2.1°C
The warmest month (with the highest average high temperature) is August (18°C).
The month with the lowest average high temperature is February (-0.8°C).
- Average low temperature in December: -1.4°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-4.8°C).
Average pressure in December
Bay Roberts, Canada
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is September (1015.6mbar).
The month with the lowest atmospheric pressure is February (1008.4mbar).
Average wind speed in December
Bay Roberts, Canada
- Average wind speed in December: 29.3km/h
The windiest month (with the highest average wind speed) is February (30.5km/h).
The calmest month (with the lowest average wind speed) is June (19.9km/h).
Average humidity in December
Bay Roberts, Canada
- Average humidity in December: 82%
The months with the highest relative humidity are June and July (86%).
The months with the lowest relative humidity are September, October, November and December (82%).
Average rainfall in December
Bay Roberts, Canada
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is January (91mm).
The driest month (with the least rainfall) is August (47mm).
Average rainfall days in December
Bay Roberts, Canada
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is October (17.1 days).
The month with the least rainy days is February (8 days).
Average snowfall in December
Bay Roberts, Canada
- Average snowfall in December: 95mm
The month with the highest snowfall is January (110mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Bay Roberts, Canada
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Bay Roberts, Canada
- Average sea temperature in December: 2.8°C
The best month for swimming (with the highest average sea temperature) is August (14.1°C).
The coldest month (with the lowest average sea temperature) is March (-0.4°C).
Average daylight in December /
Average sunshine in December
Bay Roberts, Canada
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is August (Average sunshine: 8h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in December
Bay Roberts, Canada
- Average sunshine days in December: 8.2 days
The month with the most sunshine days is August (13.7 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in December
Bay Roberts, Canada
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 1).
Average cloud cover in December
Bay Roberts, Canada
- Average cloud cover in December: 67
The months with the most cloud cover are January and February (Cloud cover 70).
The months with the least cloud cover are August and September (Cloud cover 47).
Average visibility in December
Bay Roberts, Canada
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March and December (8km).
