December weather forecastPreston, Canada

December

Weather in December

The first month of the winter, December, is also an icy month in Preston, Canada, with an average temperature varying between 0.3°C (32.5°F) and -4.5°C (23.9°F).

Temperature

The arrival of December corresponds with a reduction in the average high-temperature, down from November's frosty 6.3°C (43.3°F) to a wintry 0.3°C (32.5°F). Throughout December nights, Preston records a consistent low-temperature averaging a subzero cold -4.5°C (23.9°F).

Humidity

The average relative humidity in December is 86%.

Rainfall

In Preston, Canada, in December, during 8.7 rainfall days, 39mm (1.54") of precipitation is typically accumulated. In Preston, during the entire year, the rain falls for 154.1 days and collects up to 630mm (24.8") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Preston, Canada, in December, during 11.9 snowfall days, 72mm (2.83") of snow is typically accumulated. In Preston, during the entire year, snow falls for 57.6 days and aggregates up to 473mm (18.62") of snow.

Daylight

December has the shortest days of the year in Preston, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 7:34 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:53 am and sunset at 4:55 pm EST.

Sunshine

In December, the average sunshine is 2.9h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 1 in December suggests the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

Frequently asked questions

December temperatures in Preston, Canada, vary between a high-temperature of 0.3°C (32.5°F) and a low-temperature of -4.5°C (23.9°F).

In December, the average relative humidity is 86%.

In Preston, in December, it is raining for 8.7 days, with typically 39mm (1.54") of accumulated precipitation.

In Preston, in December, during 11.9 snowfall days, 72mm (2.83") of snow is typically accumulated.

The month with the shortest days in Preston is December, with an average of 9h and 0min of daylight.

In Preston, Canada, the average day length in December is 9h and 2min.

In December, on the first day of the month, sunrise is at 7:34 am and sunset at 4:46 pm. On the last day of the month, in Preston, Canada, sunrise is at 7:53 am and sunset at 4:55 pm EST.

In Preston, Canada, the average sunshine duration in December is 2.9h.

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Preston.

In Preston, Canada, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Preston, Canada

  • Average high temperature in December: 0.3°C

The warmest month (with the highest average high temperature) is July (25.1°C).
The month with the lowest average high temperature is January (-3.4°C).

  • Average low temperature in December: -4.5°C

The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is January (-8.9°C).

Average pressure in December
Preston, Canada

  • Average pressure in December: 1017.6mbar

The month with the highest atmospheric pressure is March (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).

Average wind speed in December
Preston, Canada

  • Average wind speed in December: 16.9km/h

The windiest month (with the highest average wind speed) is January (17.9km/h).
The calmest month (with the lowest average wind speed) is July (10.8km/h).

Average humidity in December
Preston, Canada

  • Average humidity in December: 86%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (75%).

Average rainfall in December
Preston, Canada

  • Average rainfall in December: 39mm

The wettest month (with the highest rainfall) is July (67mm).
The driest month (with the least rainfall) is September (38mm).

Average rainfall days in December
Preston, Canada

  • Average rainfall days in December: 8.7 days

The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in December
Preston, Canada

  • Average snowfall in December: 72mm

The month with the highest snowfall is February (132mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Preston, Canada

  • Average snowfall days in December: 11.9 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Preston, Canada

  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 2h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in December
Preston, Canada

  • Average sunshine days in December: 12.4 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in December
Preston, 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, February and December (UV index 1).

Average cloud cover in December
Preston, Canada

  • Average cloud cover in December: 69

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Preston, Canada

  • Average visibility in December: 8km

The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).