December weather forecastHartney, Canada
December
Weather in December
December, the first month of the winter in Hartney, is also a subzero cold month, with an average temperature ranging between max -9.6°C (14.7°F) and min -16°C (3.2°F).Temperature
The start of December is characterized by a significant decrease in the average high-temperature, moving from a freezing cold -0.8°C (30.6°F) in November to a still subzero cold -9.6°C (14.7°F). In the month of December, Hartney experiences an average low-temperature of -16°C (3.2°F).Humidity
The months with the highest humidity in Hartney are January, February and December, with an average relative humidity of 91%.Rainfall
In December, the rain falls for 3.5 days. Throughout December, 13mm (0.51") of precipitation is accumulated. In Hartney, during the entire year, the rain falls for 78.2 days and collects up to 277mm (10.91") of precipitation.Snowfall
January through May, September through December are months with snowfall in Hartney. In Hartney, in December, snow falls for 14.7 days, with typically accumulated 87mm (3.43") of snow. In Hartney, during the entire year, snow falls for 76.6 days and aggregates up to 544mm (21.42") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 8:17 am and sunset at 4:45 pm. On the last day of December, sunrise is at 8:38 am and sunset at 4:52 pm CST.
Sunshine
In December, the average sunshine is 3.7h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hartney, Canada
- Average high temperature in December: -9.6°C
The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (-10.8°C).
- Average low temperature in December: -16°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is January (-18.4°C).
Average pressure in December
Hartney, Canada
- Average pressure in December: 1020.1mbar
The month with the highest atmospheric pressure is February (1021.6mbar).
The month with the lowest atmospheric pressure is June (1010.6mbar).
Average wind speed in December
Hartney, Canada
- Average wind speed in December: 14.8km/h
The windiest month (with the highest average wind speed) is October (16km/h).
The calmest month (with the lowest average wind speed) is August (12.9km/h).
Average humidity in December
Hartney, Canada
- Average humidity in December: 91%
The months with the highest relative humidity are January, February and December (91%).
The months with the lowest relative humidity are May, August and September (62%).
Average rainfall in December
Hartney, Canada
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in December
Hartney, Canada
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is June (12.3 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in December
Hartney, Canada
- Average snowfall in December: 87mm
The month with the highest snowfall is November (110mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Hartney, Canada
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Hartney, Canada
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Hartney, Canada
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is August (23 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in December
Hartney, Canada
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Hartney, Canada
- Average cloud cover in December: 62
The month with the most cloud cover is March (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Hartney, Canada
- Average visibility in December: 8km
The months with the highest visibility are May, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).





