December weather forecastPeterborough, Canada
December
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 8h and 54min
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 24min
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: 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: 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: 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: 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).





