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
December ushers in a minute temperature change, with average high-temperatures reducing from November's frosty 7.5°C (45.5°F) to a cold 3.4°C (38.1°F). December introduces a small decrease to a nighttime average of 0.3°C (32.5°F) in Harbour Breton.Humidity
The months with the lowest humidity are January, November and December, with an average relative humidity of 79%.Rainfall
In Harbour Breton, in December, during 10.4 rainfall days, 63mm (2.48") of precipitation is typically accumulated. Throughout the year, in Harbour Breton, Canada, there are 140.2 rainfall days, and 719mm (28.31") of precipitation is accumulated.Snowfall
Months with snowfall in Harbour Breton are January through May, November and December. In Harbour Breton, in December, snow falls for 6.4 days, with typically accumulated 45mm (1.77") of snow. In Harbour Breton, during the entire year, snow falls for 31.9 days and aggregates up to 229mm (9.02") of snow.Sea temperature
In Harbour Breton, Canada, the average seawater temperature in December is 4.1°C (39.4°F).Note: While swimming, this is identified as life-endangering and very dangerous. The water's freezing temperatures cause intense discomfort and induce rapid hyperventilation. A specialized swimsuit is mandatory to mitigate thermal damage.
Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year in Harbour Breton.On the first day of December in Harbour Breton, sunrise is at 7:40 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 4:32 pm NST.
Sunshine
The average sunshine in December is 2.5h.UV index
January, March and December, with an average maximum UV index of 1, are months with the lowest UV index in Harbour Breton, Canada. 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: During December, 1 as the daily maximum UV index converts into the following advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Harbour Breton?
What is the least humid month in Harbour Breton?
What is the average humidity in December in Harbour Breton?
How much does it rain in Harbour Breton in December?
How much does it snow in Harbour Breton in December?
What is the sea temperature in December in Harbour Breton?
What is the month with the shortest days in Harbour Breton?
What is the average length of the day in December in Harbour Breton?
What time are sunrise and sunset in December in Harbour Breton?
How long on average sun shines in December in Harbour Breton?
When is the lowest UV index in Harbour Breton?
What is the UV index intensity in December in Harbour Breton?
Average temperature in December
Harbour Breton, Canada
- Average high temperature in December: 3.4°C
The warmest month (with the highest average high temperature) is August (17.9°C).
The month with the lowest average high temperature is February (-0.2°C).
- Average low temperature in December: 0.3°C
The month with the highest average low temperature is August (16.2°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in December
Harbour Breton, Canada
- Average pressure in December: 1011.7mbar
The month with the highest atmospheric pressure is September (1015.9mbar).
The month with the lowest atmospheric pressure is February (1009.2mbar).
Average wind speed in December
Harbour Breton, Canada
- Average wind speed in December: 36.1km/h
The windiest month (with the highest average wind speed) is January (37.2km/h).
The calmest month (with the lowest average wind speed) is July (22.3km/h).
Average humidity in December
Harbour Breton, Canada
- Average humidity in December: 79%
The month with the highest relative humidity is July (89%).
The months with the lowest relative humidity are January, November and December (79%).
Average rainfall in December
Harbour Breton, Canada
- Average rainfall in December: 63mm
The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is May (50mm).
Average rainfall days in December
Harbour Breton, Canada
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in December
Harbour Breton, Canada
- Average snowfall in December: 45mm
The month with the highest snowfall is March (50mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Harbour Breton, Canada
- Average snowfall days in December: 6.4 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Harbour Breton, Canada
- Average sea temperature in December: 4.1°C
The best month for swimming (with the highest average sea temperature) is August (15.2°C).
The coldest month (with the lowest average sea temperature) is March (0.8°C).
Average daylight in December /
Average sunshine in December
Harbour Breton, 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: 2h and 3min
The month with the most sunshine is August (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in December
Harbour Breton, Canada
- Average sunshine days in December: 9.2 days
The month with the most sunshine days is August (15.8 days).
The month with the least sunshine days is December (9.2 days).
Average UV index in December
Harbour Breton, Canada
- Average UV index in December: 1
The month with the highest UV index is August (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).
Average cloud cover in December
Harbour Breton, Canada
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are August and September (Cloud cover 45).
Average visibility in December
Harbour Breton, Canada
- Average visibility in December: 9km
The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, November and December (9km).
