December weather forecastMarwayne, Canada
December
Weather in December
December, the first month of the winter in Marwayne, is still a freezing cold month, with an average temperature fluctuating between -9.2°C (15.4°F) and -15.5°C (4.1°F).Temperature
During the transition into December, Marwayne observes a decrease in the average high-temperature, falling from a subzero cold -2.5°C (27.5°F) in November to a still freezing cold -9.2°C (15.4°F). Throughout the month of December, the nighttime temperature dips to an average of -15.5°C (4.1°F).Humidity
In December, the average relative humidity is 90%.Rainfall
December is the month with the least rainfall in Marwayne. Rain falls for 2.8 days and accumulates 9mm (0.35") of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Marwayne, in December, during 11.3 snowfall days, 59mm (2.32") of snow is typically accumulated. In Marwayne, during the entire year, snow falls for 80.3 days and aggregates up to 529mm (20.83") of snow.Daylight
With an average of 7h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 8:15 am and sunset at 4:05 pm. On the last day of the month, sunrise is at 8:37 am and sunset at 4:12 pm MST.
Sunshine
In December, the average sunshine is 3.9h.UV index
In Marwayne, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Marwayne, Canada
- Average high temperature in December: -9.2°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is February (-9.3°C).
- Average low temperature in December: -15.5°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-16.8°C).
Average pressure in December
Marwayne, Canada
- Average pressure in December: 1019.8mbar
The month with the highest atmospheric pressure is February (1021.3mbar).
The month with the lowest atmospheric pressure is June (1009.9mbar).
Average wind speed in December
Marwayne, Canada
- Average wind speed in December: 14.1km/h
The windiest months (with the highest average wind speed) are January and April (14.9km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).
Average humidity in December
Marwayne, Canada
- Average humidity in December: 90%
The months with the highest relative humidity are January, February and March (92%).
The month with the lowest relative humidity is May (59%).
Average rainfall in December
Marwayne, Canada
- Average rainfall in December: 9mm
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is December (9mm).
Average rainfall days in December
Marwayne, Canada
- Average rainfall days in December: 2.8 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
Marwayne, Canada
- Average snowfall in December: 59mm
The month with the highest snowfall is April (100mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Marwayne, Canada
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is March (14.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Marwayne, Canada
- Average daylight in December: 7h and 36min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in December
Marwayne, Canada
- Average sunshine days in December: 19 days
The month with the most sunshine days is September (20.3 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in December
Marwayne, Canada
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and October (UV index 1).
Average cloud cover in December
Marwayne, Canada
- Average cloud cover in December: 61
The months with the most cloud cover are February and March (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Marwayne, Canada
- Average visibility in December: 8km
The months with the highest visibility are May, August and September (10km).
The month with the lowest visibility is February (7km).
