December weather forecastLong Sault, Canada
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Long Sault, Canada, with temperature in the range of an average low of -7°C (19.4°F) and an average high of -1.3°C (29.7°F).Temperature
December implies a gentle temperature shift, with average high-temperatures reducing from November's cold 5.6°C (42.1°F) to a freezing cold -1.3°C (29.7°F). Nighttime temperature in Long Sault lowers to an average of -7°C (19.4°F) in December.Humidity
In Long Sault, the average relative humidity in December is 86%.Rainfall
In Long Sault, in December, during 10.2 rainfall days, 59mm (2.32") of precipitation is typically accumulated. Throughout the year, in Long Sault, there are 160.1 rainfall days, and 756mm (29.76") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Long Sault. In Long Sault, Canada, in December, snow falls for 13.1 days, with typically accumulated 152mm (5.98") of snow. In Long Sault, during the entire year, snow falls for 70.6 days and aggregates up to 915mm (36.02") of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December in Long Sault, sunrise is at 7:18 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:27 pm EST.
Sunshine
In Long Sault, the average sunshine in December is 3.1h.UV index
The months with the lowest UV index in Long Sault are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 1 during December translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Stay sun-safe with clothing that is both closely woven and worn loosely. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Long Sault, Canada
- Average high temperature in December: -1.3°C
The warmest month (with the highest average high temperature) is July (25.3°C).
The month with the lowest average high temperature is January (-5°C).
- Average low temperature in December: -7°C
The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is January (-12.3°C).
Average pressure in December
Long Sault, Canada
- Average pressure in December: 1017.4mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1012.6mbar).
Average wind speed in December
Long Sault, Canada
- Average wind speed in December: 13km/h
The windiest month (with the highest average wind speed) is February (14.1km/h).
The calmest months (with the lowest average wind speed) are July and August (10.5km/h).
Average humidity in December
Long Sault, Canada
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Long Sault, Canada
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is August (82mm).
The driest month (with the least rainfall) is September (51mm).
Average rainfall days in December
Long Sault, Canada
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in December
Long Sault, Canada
- Average snowfall in December: 152mm
The month with the highest snowfall is January (229mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Long Sault, Canada
- Average snowfall days in December: 13.1 days
The month with the highest number of snowfall days is February (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Long Sault, Canada
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in December
Long Sault, Canada
- Average sunshine days in December: 11.6 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in December
Long Sault, Canada
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Long Sault, Canada
- Average cloud cover in December: 68
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Long Sault, Canada
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, September, October and November (9km).
The months with the lowest visibility are January and February (7km).
