December weather forecastMercoal, Canada
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Mercoal, Canada, with an average temperature varying between -5.9°C (21.4°F) and -13.5°C (7.7°F).Temperature
December proves to be the coldest month, recording an average maximum temperature of -5.9°C (21.4°F) and a minimum temperature of -13.5°C (7.7°F).Humidity
The average relative humidity in December in Mercoal is 90%.Rainfall
The month with the least rainfall in Mercoal is December, when the rain falls for 5 days and typically collects 21mm (0.83") of precipitation.Snowfall
Months with snowfall in Mercoal are January through June, September through December. In Mercoal, in December, snow falls for 18.6 days, with typically accumulated 172mm (6.77") of snow. In Mercoal, during the entire year, snow falls for 125.5 days and aggregates up to 1426mm (56.14") 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 the month, sunrise is at 8:40 am and sunset at 4:34 pm. On the last day of December, sunrise is at 9:02 am and sunset at 4:40 pm MST.
Sunshine
In December, the average sunshine in Mercoal, Canada, is 3.9h.UV index
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 2 in December translates into these instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mercoal, Canada
- Average high temperature in December: -5.9°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is December (-5.9°C).
- Average low temperature in December: -13.5°C
The month with the highest average low temperature is July (8.8°C).
The coldest month (with the lowest average low temperature) is February (-14.3°C).
Average pressure in December
Mercoal, Canada
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is February (1019.2mbar).
The month with the lowest atmospheric pressure is June (1011.1mbar).
Average wind speed in December
Mercoal, Canada
- Average wind speed in December: 8.1km/h
The windiest months (with the highest average wind speed) are April and May (9.1km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity in December
Mercoal, Canada
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and August (66%).
Average rainfall in December
Mercoal, Canada
- Average rainfall in December: 21mm
The wettest month (with the highest rainfall) is July (82mm).
The driest month (with the least rainfall) is December (21mm).
Average rainfall days in December
Mercoal, Canada
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is December (5 days).
Average snowfall in December
Mercoal, Canada
- Average snowfall in December: 172mm
The month with the highest snowfall is November (257mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Mercoal, Canada
- Average snowfall days in December: 18.6 days
The month with the highest number of snowfall days is March (21 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Mercoal, Canada
- Average daylight in December: 7h and 36min
The month with the longest days is June (Average daylight: 16h and 54min).
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 June (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Mercoal, Canada
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is April (5.5 days).
Average UV index in December
Mercoal, Canada
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and October (UV index 1).
Average cloud cover in December
Mercoal, Canada
- Average cloud cover in December: 55
The month with the most cloud cover is March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Mercoal, Canada
- Average visibility in December: 6km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are February and March (5km).
