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 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
Weather in December
Temperature
Yellowknife experiences a temperature shift at the start of December, with average high-temperatures adjusting from a freezing cold -9.4°C (15.1°F) in November to an arctic cold -16.7°C (1.9°F). In the month of December, the average temperature dips to a dangerously cold -22.1°C (-7.8°F) during the night.Humidity
In Yellowknife, the average relative humidity in December is 97%.Rainfall
In December, the rain falls for 0.7 days. Throughout December, 12mm (0.47") of precipitation is accumulated. In Yellowknife, Canada, during the entire year, the rain falls for 70.2 days and collects up to 207mm (8.15") of precipitation.Snowfall
Months with snowfall in Yellowknife are January through May, September through December. In Yellowknife, in December, during 19.3 snowfall days, 93mm (3.66") of snow is typically accumulated. In Yellowknife, during the entire year, snow falls for 112.8 days and aggregates up to 564mm (22.2") of snow.Daylight
The month with the shortest days in Yellowknife is December, with an average of 5h and 12min of daylight.On the first day of the month, sunrise is at 9:37 am and sunset at 3:16 pm. On the last day of December, sunrise is at 10:05 am and sunset at 3:16 pm MST.
Sunshine
The months with the least sunshine in Yellowknife are January and December, with an average of 1h of sunshine.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To guard against the harmful effects of the Sun, minimize exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold is December in Yellowknife?
What is the average humidity in December in Yellowknife?
How many days does it rain in December in Yellowknife?
How many days does it snow in December in Yellowknife?
What is the month with the shortest days in Yellowknife?
How many hours of daylight does Yellowknife have in December?
What time are sunrise and sunset in December in Yellowknife?
What is the month with the least sunshine in Yellowknife?
How long on average sun shines in December in Yellowknife?
When is the lowest UV index in Yellowknife?
How high is the UV index in December in Yellowknife?
Average temperature in December
Yellowknife, Canada
- Average high temperature in December: -16.7°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-18.8°C).
- Average low temperature in December: -22.1°C
The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is January (-25.2°C).
Average pressure in December
Yellowknife, Canada
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is February (1020.3mbar).
The month with the lowest atmospheric pressure is August (1009.9mbar).
Average wind speed in December
Yellowknife, Canada
- Average wind speed in December: 13.1km/h
The windiest month (with the highest average wind speed) is September (14.9km/h).
The calmest month (with the lowest average wind speed) is February (12.2km/h).
Average humidity in December
Yellowknife, Canada
- Average humidity in December: 97%
The month with the highest relative humidity is January (98%).
The month with the lowest relative humidity is June (52%).
Average rainfall in December
Yellowknife, Canada
- Average rainfall in December: 12mm
The wettest month (with the highest rainfall) is August (41mm).
The driest month (with the least rainfall) is February (4mm).
Average rainfall days in December
Yellowknife, Canada
- Average rainfall days in December: 0.7 days
The month with the highest number of rainy days is August (14.5 days).
The month with the least rainy days is February (0.3 days).
Average snowfall in December
Yellowknife, Canada
- Average snowfall in December: 93mm
The month with the highest snowfall is November (114mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Yellowknife, Canada
- Average snowfall days in December: 19.3 days
The month with the highest number of snowfall days is November (20.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Yellowknife, Canada
- Average daylight in December: 5h and 1min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in December: 1h and 0min
The month with the most sunshine is June (Average sunshine: 13h and 6min).
The months with the least sunshine are January and December (Average sunshine: 1h and 0min).
Average sunshine days in December
Yellowknife, Canada
- Average sunshine days in December: 13.8 days
The month with the most sunshine days is May (21.2 days).
The month with the least sunshine days is November (11.5 days).
Average UV index in December
Yellowknife, Canada
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in December
Yellowknife, Canada
- Average cloud cover in December: 87
The months with the most cloud cover are January and December (Cloud cover 87).
The months with the least cloud cover are June and July (Cloud cover 37).
Average visibility in December
Yellowknife, Canada
- Average visibility in December: 6km
The months with the highest visibility are May, June and July (10km).
The months with the lowest visibility are January and February (5km).
Yellowknife, Canada
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