December weather forecastTrepassey, Canada
December
Weather in December
December, the first month of the winter in Trepassey, is also a wintry month, with an average temperature ranging between min -1.4°C (29.5°F) and max 2.1°C (35.8°F).Temperature
In Trepassey, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's chilly 6.5°C (43.7°F) to an icy 2.1°C (35.8°F). Trepassey upholds a consistent average temperature of -1.4°C (29.5°F) throughout the nights of December.Humidity
September through December, with an average relative humidity of 82%, are the least humid months.Rainfall
In Trepassey, during December, the rain falls for 12.6 days and regularly aggregates up to 89mm (3.5") of precipitation. Throughout the year, in Trepassey, there are 160.6 rainfall days, and 791mm (31.14") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In Trepassey, in December, snow falls for 10.1 days, with typically accumulated 95mm (3.74") of snow. In Trepassey, during the entire year, snow falls for 53.6 days and aggregates up to 441mm (17.36") of snow.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:28 am and sunset at 4:17 pm. On the last day of December, in Trepassey, sunrise is at 7:48 am and sunset at 4:25 pm NST.
Sunshine
In Trepassey, the average sunshine in December is 3.2h.UV index
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 1 turns into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Trepassey, Canada
- Average high temperature in December: 2.1°C
The warmest month (with the highest average high temperature) is August (18°C).
The month with the lowest average high temperature is February (-0.8°C).
- Average low temperature in December: -1.4°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-4.8°C).
Average pressure in December
Trepassey, Canada
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is September (1015.6mbar).
The month with the lowest atmospheric pressure is February (1008.4mbar).
Average wind speed in December
Trepassey, Canada
- Average wind speed in December: 29.3km/h
The windiest month (with the highest average wind speed) is February (30.5km/h).
The calmest month (with the lowest average wind speed) is June (19.9km/h).
Average humidity in December
Trepassey, Canada
- Average humidity in December: 82%
The months with the highest relative humidity are June and July (86%).
The months with the lowest relative humidity are September, October, November and December (82%).
Average rainfall in December
Trepassey, Canada
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is January (91mm).
The driest month (with the least rainfall) is August (47mm).
Average rainfall days in December
Trepassey, Canada
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is October (17.1 days).
The month with the least rainy days is February (8 days).
Average snowfall in December
Trepassey, Canada
- Average snowfall in December: 95mm
The month with the highest snowfall is January (110mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Trepassey, Canada
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Trepassey, Canada
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is August (Average sunshine: 8h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in December
Trepassey, Canada
- Average sunshine days in December: 8.2 days
The month with the most sunshine days is August (13.7 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in December
Trepassey, Canada
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 1).
Average cloud cover in December
Trepassey, Canada
- Average cloud cover in December: 67
The months with the most cloud cover are January and February (Cloud cover 70).
The months with the least cloud cover are August and September (Cloud cover 47).
Average visibility in December
Trepassey, Canada
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March and December (8km).





