December weather forecast
Peterborough, Canada

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Weather in December

The first month of the winter, December, is still a freezing cold month in Peterborough, Canada, with an average temperature fluctuating between -5.5°C (22.1°F) and -0.5°C (31.1°F).

Temperature

A subtle decrease in the average high-temperature marks December, falling from November's cold 5.6°C (42.1°F) to a subzero cold -0.5°C (31.1°F). December nights in Peterborough register a minor temperature decline, steadying at -5.5°C (22.1°F).

Humidity

In December, the average relative humidity is 85%.

Rainfall

In December, in Peterborough, Canada, the rain falls for 7.6 days. Throughout December, 45mm (1.77") of precipitation is accumulated. In Peterborough, during the entire year, the rain falls for 143.9 days and collects up to 609mm (23.98") of precipitation.

Snowfall

Months with snowfall in Peterborough are January through May, October through December. In Peterborough, in December, during 11.1 snowfall days, 95mm (3.74") of snow is typically accumulated. In Peterborough, during the entire year, snow falls for 51.7 days and aggregates up to 484mm (19.06") of snow.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year in Peterborough.
On the first day of December, sunrise is at 7:29 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:44 pm EST.

Sunshine

In December, the average sunshine in Peterborough is 3.4h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 1 in December transforms into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.

Frequently asked questions

How cold is December in Peterborough?

The high-temperature, in December, in Peterborough, records -0.5°C (31.1°F), while the low-temperature is -5.5°C (22.1°F).

What is the average humidity in December in Peterborough?

In December, the average relative humidity in Peterborough, Canada, is 85%.

How many days does it rain in December in Peterborough?

In Peterborough, Canada, during December, the rain falls for 7.6 days and regularly aggregates up to 45mm (1.77") of precipitation.

How many days does it snow in December in Peterborough?

In Peterborough, Canada, in December, during 11.1 snowfall days, 95mm (3.74") of snow is typically accumulated.

What is the month with the shortest days in Peterborough?

December has the shortest days of the year in Peterborough, with an average of 8h and 54min of daylight.

How many hours of daylight does Peterborough have in December?

The average day length in December in Peterborough is 8h and 55min.

What time are sunrise and sunset in December in Peterborough?

On the first day of December in Peterborough, Canada, sunrise is at 7:29 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:44 pm EST.

How long on average sun shines in December in Peterborough?

In December, the average sunshine duration in Peterborough is 3.4h.

What is the month with the lowest UV index in Peterborough?

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

How high is the UV index in December in Peterborough?

In December, the average daily maximum UV index in Peterborough is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Peterborough, Canada

Average temperature in December - Peterborough, Canada
  • Average high temperature in December: -0.5°C

The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-3.7°C).

  • Average low temperature in December: -5.5°C

The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (-10.3°C).

Average pressure in December
Peterborough, Canada

Average pressure in December - Peterborough, Canada
  • Average pressure in December: 1017.3mbar

The month with the highest atmospheric pressure is March (1018.2mbar).
The month with the lowest atmospheric pressure is June (1012.8mbar).

Average wind speed in December
Peterborough, Canada

Average wind speed in December - Peterborough, Canada
  • Average wind speed in December: 15.5km/h

The windiest month (with the highest average wind speed) is January (16.2km/h).
The calmest month (with the lowest average wind speed) is July (10.6km/h).

Average humidity in December
Peterborough, Canada

Average humidity in December - Peterborough, Canada
  • Average humidity in December: 85%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (76%).

Average rainfall in December
Peterborough, Canada

Average rainfall in December - Peterborough, Canada
  • Average rainfall in December: 45mm

The wettest month (with the highest rainfall) is October (69mm).
The driest month (with the least rainfall) is February (31mm).

Average rainfall days in December
Peterborough, Canada

Average rainfall days in December - Peterborough, Canada
  • Average rainfall days in December: 7.6 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (4.5 days).

Average snowfall in December
Peterborough, Canada

Average snowfall in December - Peterborough, Canada
  • Average snowfall in December: 95mm

The month with the highest snowfall is January (122mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Peterborough, Canada

Average snowfall days in December - Peterborough, Canada
  • Average snowfall days in December: 11.1 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Peterborough, Canada
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Peterborough, Canada

Average sunshine days in December - Peterborough, Canada
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is March (17.2 days).
The month with the least sunshine days is August (10.1 days).

Average UV index in December
Peterborough, Canada

Average UV index in December - Peterborough, 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
Peterborough, Canada

Average cloud cover in December - Peterborough, Canada
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Peterborough, Canada

Average visibility in December - Peterborough, Canada
  • Average visibility in December: 9km

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

Peterborough, Canada

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