December weather forecastHenley Harbour, Canada
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Henley Harbour, Canada, with an average temperature varying between -8°C (17.6°F) and -3.3°C (26.1°F).Temperature
The average high-temperature shows a slight dip in December, from November's cold 1.3°C (34.3°F) to a subzero cold -3.3°C (26.1°F). In Henley Harbour, December nights experience a modest descent in temperature from daily peaks, cooling down to an average of -8°C (17.6°F).Humidity
In Henley Harbour, the average relative humidity in December is 85%.Rainfall
In Henley Harbour, during December, the rain falls for 8.5 days and regularly aggregates up to 69mm (2.72") of precipitation. Throughout the year, there are 109.5 rainfall days, and 630mm (24.8") of precipitation is accumulated.Snowfall
Months with snowfall in Henley Harbour are January through May, October through December. In December, in Henley Harbour, it is snowing for 13.2 days. Throughout December, 112mm (4.41") of snow is accumulated. Throughout the year, in Henley Harbour, there are 92.1 snowfall days, and 899mm (35.39") of snow is accumulated.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year in Henley Harbour.On the first day of December, sunrise is at 8:00 am and sunset at 4:05 pm. On the last day of the month, sunrise is at 8:21 am and sunset at 4:12 pm NST.
Sunshine
The average sunshine in December in Henley Harbour is 3.6h.UV index
The months with the lowest UV index in Henley Harbour are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Henley Harbour, Canada
- Average high temperature in December: -3.3°C
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (-7.1°C).
- Average low temperature in December: -8°C
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is February (-14.2°C).
Average pressure in December
Henley Harbour, Canada
- Average pressure in December: 1009.2mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is January (1005.6mbar).
Average wind speed in December
Henley Harbour, Canada
- Average wind speed in December: 25.5km/h
The windiest month (with the highest average wind speed) is December (25.5km/h).
The calmest month (with the lowest average wind speed) is August (17.1km/h).
Average humidity in December
Henley Harbour, Canada
- Average humidity in December: 85%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is September (79%).
Average rainfall in December
Henley Harbour, Canada
- Average rainfall in December: 69mm
The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is July (22mm).
Average rainfall days in December
Henley Harbour, Canada
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Henley Harbour, Canada
- Average snowfall in December: 112mm
The month with the highest snowfall is March (160mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Henley Harbour, Canada
- Average snowfall days in December: 13.2 days
The month with the highest number of snowfall days is March (16.9 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Henley Harbour, Canada
- Average daylight in December: 7h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 3h and 36min
The month with the most sunshine is July (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in December
Henley Harbour, Canada
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is July (22.5 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in December
Henley Harbour, Canada
- Average UV index in December: 1
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Henley Harbour, Canada
- Average cloud cover in December: 61
The month with the most cloud cover is March (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 49).
Average visibility in December
Henley Harbour, Canada
- Average visibility in December: 8km
The month with the highest visibility is September (10km).
The months with the lowest visibility are January, February, March, April, November and December (8km).
