December weather forecastTerrace, Canada
December
Weather in December
December, the first month of the winter in Terrace, is still a freezing cold month, with an average temperature varying between -7.7°C (18.1°F) and -2.4°C (27.7°F).Temperature
Terrace's coldest temperatures are experienced in December, with average high temperatures of -2.4°C (27.7°F) and lows of -7.7°C (18.1°F).Humidity
The average relative humidity in December is 91%.Rainfall
In December, the rain falls for 14.5 days. Throughout December, 86mm (3.39") of precipitation is accumulated. In Terrace, during the entire year, the rain falls for 187.8 days and collects up to 860mm (33.86") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Terrace, in December, snow falls for 14.6 days, with typically accumulated 291mm (11.46") of snow. In Terrace, during the entire year, snow falls for 60.7 days and aggregates up to 1370mm (53.94") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 24min of daylight.On the first day of December in Terrace, sunrise is at 8:34 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 8:56 am and sunset at 4:19 pm PST.
Sunshine
In December, the average sunshine is 4.9h.UV index
January, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 1 in December transforms into this advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Terrace, Canada
- Average high temperature in December: -2.4°C
The warmest month (with the highest average high temperature) is July (18.6°C).
The month with the lowest average high temperature is December (-2.4°C).
- Average low temperature in December: -7.7°C
The months with the highest average low temperature are July and August (7°C).
The coldest month (with the lowest average low temperature) is December (-7.7°C).
Average pressure in December
Terrace, Canada
- Average pressure in December: 1015.4mbar
The month with the highest atmospheric pressure is July (1017.1mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Terrace, Canada
- Average wind speed in December: 7km/h
The windiest month (with the highest average wind speed) is January (7.9km/h).
The calmest month (with the lowest average wind speed) is August (5.2km/h).
Average humidity in December
Terrace, Canada
- Average humidity in December: 91%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Terrace, Canada
- Average rainfall in December: 86mm
The wettest month (with the highest rainfall) is November (128mm).
The driest month (with the least rainfall) is May (31mm).
Average rainfall days in December
Terrace, Canada
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is October (19.3 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in December
Terrace, Canada
- Average snowfall in December: 291mm
The month with the highest snowfall is January (452mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Terrace, Canada
- Average snowfall days in December: 14.6 days
The month with the highest number of snowfall days is December (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Terrace, Canada
- Average daylight in December: 7h and 24min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Terrace, Canada
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is March (13.4 days).
The month with the least sunshine days is November (7.3 days).
Average UV index in December
Terrace, 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 January, October, November and December (UV index 1).
Average cloud cover in December
Terrace, Canada
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is May (Cloud cover 41).
Average visibility in December
Terrace, Canada
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July and August (8km).
The month with the lowest visibility is January (6km).





