December weather forecastLac-Mégantic, Canada
December
Weather in December
December, the first month of the winter in Lac-Mégantic, is also a subzero cold month, with an average temperature fluctuating between -9.4°C (15.1°F) and -3.8°C (25.2°F).Temperature
December indicates a shift in the average high-temperature, from November's icy 2.8°C (37°F) to a freezing cold -3.8°C (25.2°F). Nighttime temperature in Lac-Mégantic lowers to an average of -9.4°C (15.1°F) in December.Humidity
In December, the average relative humidity in Lac-Mégantic is 87%.Rainfall
In Lac-Mégantic, in December, it is raining for 8.5 days, with typically 74mm (2.91") of accumulated precipitation. In Lac-Mégantic, during the entire year, the rain falls for 149.8 days and collects up to 819mm (32.24") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Lac-Mégantic, in December, snow falls for 19.5 days, with typically accumulated 313mm (12.32") of snow. In Lac-Mégantic, during the entire year, snow falls for 110.8 days and aggregates up to 1947mm (76.65") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:01 pm. On the last day of December, in Lac-Mégantic, sunrise is at 7:23 am and sunset at 4:09 pm EST.
Sunshine
In December, the average sunshine is 3h.UV index
The months with the lowest UV index in Lac-Mégantic are February, March and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To guard against the harmful effects of the Sun, minimize exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lac-Mégantic, Canada
- Average high temperature in December: -3.8°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (-6.8°C).
- Average low temperature in December: -9.4°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-13.9°C).
Average pressure in December
Lac-Mégantic, Canada
- Average pressure in December: 1016.6mbar
The month with the highest atmospheric pressure is November (1017.3mbar).
The month with the lowest atmospheric pressure is June (1012.5mbar).
Average wind speed in December
Lac-Mégantic, Canada
- Average wind speed in December: 12.6km/h
The windiest month (with the highest average wind speed) is March (13.4km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in December
Lac-Mégantic, Canada
- Average humidity in December: 87%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Lac-Mégantic, Canada
- Average rainfall in December: 74mm
The wettest month (with the highest rainfall) is October (81mm).
The driest month (with the least rainfall) is February (55mm).
Average rainfall days in December
Lac-Mégantic, Canada
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Lac-Mégantic, Canada
- Average snowfall in December: 313mm
The month with the highest snowfall is February (363mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Lac-Mégantic, Canada
- Average snowfall days in December: 19.5 days
The month with the highest number of snowfall days is February (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lac-Mégantic, 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 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in December
Lac-Mégantic, Canada
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in December
Lac-Mégantic, Canada
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, March and December (UV index 1).
Average cloud cover in December
Lac-Mégantic, Canada
- Average cloud cover in December: 72
The month with the most cloud cover is February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in December
Lac-Mégantic, Canada
- Average visibility in December: 7km
The months with the highest visibility are May, June, July, October and November (8km).
The month with the lowest visibility is February (6km).
