Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Trenton, the average high-temperature in December decreases from a chilly 6.5°C (43.7°F) in November to an icy 0.5°C (32.9°F). Trenton's nights in December maintain a consistent average of -3.9°C (25°F), demonstrating a minimal differential from its daytime temperature.Humidity
In Trenton, Canada, the average relative humidity in December is 82%.Rainfall
In Trenton, in December, it is raining for 11.2 days, with typically 66mm (2.6") of accumulated precipitation. Throughout the year, there are 160.4 rainfall days, and 718mm (28.27") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Trenton, Canada, in December, snow falls for 11.5 days, with typically accumulated 128mm (5.04") of snow. Throughout the year, in Trenton, there are 63.8 snowfall days, and 576mm (22.68") of snow is accumulated.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Trenton.On the first day of the month, sunrise is at 7:26 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:42 pm EST.
Sunshine
The average sunshine in December in Trenton is 3.6h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Trenton. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 1 during December translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
How cold is it in Trenton in December?
What is the average humidity in December in Trenton?
How many days does it rain in December in Trenton?
How many days does it snow in December in Trenton?
What is the month with the shortest days in Trenton?
How many hours of daylight does Trenton have in December?
When is the sunrise / sunset in December in Trenton?
How many hours of sunshine does Trenton have in December?
What are the months with the lowest UV index in Trenton?
What is the UV index intensity in December in Trenton?
Average temperature in December
Trenton, Canada
- Average high temperature in December: 0.5°C
The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in December: -3.9°C
The month with the highest average low temperature is July (17°C).
The coldest month (with the lowest average low temperature) is January (-8.7°C).
Average pressure in December
Trenton, Canada
- Average pressure in December: 1017.4mbar
The months with the highest atmospheric pressure are March and November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1012.8mbar).
Average wind speed in December
Trenton, Canada
- Average wind speed in December: 16.6km/h
The windiest month (with the highest average wind speed) is January (17.2km/h).
The calmest month (with the lowest average wind speed) is July (11.6km/h).
Average humidity in December
Trenton, Canada
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, May, July, August and September (75%).
Average rainfall in December
Trenton, Canada
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is April (80mm).
The driest month (with the least rainfall) is September (42mm).
Average rainfall days in December
Trenton, Canada
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is August (16.5 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in December
Trenton, Canada
- Average snowfall in December: 128mm
The month with the highest snowfall is February (138mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Trenton, Canada
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Trenton, Canada
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Trenton, Canada
- Average sunshine days in December: 11 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Trenton, Canada
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Trenton, Canada
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Trenton, Canada
- Average visibility in December: 9km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January and February (8km).
Trenton, Canada
Weather forecast for your location
2. Allow the app to use your location
