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
December
Weather in December
Temperature
A shift in the average high-temperature occurs in December, reducing from a cold 5.1°C (41.2°F) in November to a subzero cold -1.4°C (29.5°F). The low-temperature in Penetanguishene, Canada, averages to -6.5°C (20.3°F) during the nights of December.Humidity
In Penetanguishene, the average relative humidity in December is 88%.Rainfall
In Penetanguishene, during December, the rain falls for 9.9 days and regularly aggregates up to 51mm (2.01") of precipitation. In Penetanguishene, during the entire year, the rain falls for 150.5 days and collects up to 729mm (28.7") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Penetanguishene, in December, during 17.3 snowfall days, 185mm (7.28") of snow is typically accumulated. Throughout the year, there are 87.8 snowfall days, and 915mm (36.02") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:37 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:57 am and sunset at 4:49 pm EST.
Sunshine
In Penetanguishene, the average sunshine in December is 2.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 1 in December translates into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Penetanguishene in December?
What is the average humidity in December in Penetanguishene?
How many days does it rain in December in Penetanguishene?
How much does it snow in Penetanguishene in December?
What is the month with the shortest days in Penetanguishene?
What is the average length of the day in December in Penetanguishene?
When are sunrise and sunset in December in Penetanguishene?
How long on average sun shines in December in Penetanguishene?
What are the months with the lowest UV index in Penetanguishene?
What is the UV index reading in December in Penetanguishene?
Average temperature in December
Penetanguishene, Canada
- Average high temperature in December: -1.4°C
The warmest month (with the highest average high temperature) is July (24.2°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in December: -6.5°C
The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (-11.5°C).
Average pressure in December
Penetanguishene, Canada
- Average pressure in December: 1017mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).
Average wind speed in December
Penetanguishene, Canada
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is April (15.7km/h).
The calmest month (with the lowest average wind speed) is July (10.4km/h).
Average humidity in December
Penetanguishene, Canada
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Penetanguishene, Canada
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is October (77mm).
The driest month (with the least rainfall) is February (43mm).
Average rainfall days in December
Penetanguishene, Canada
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is October (16.9 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Penetanguishene, Canada
- Average snowfall in December: 185mm
The month with the highest snowfall is January (224mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Penetanguishene, Canada
- Average snowfall days in December: 17.3 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Penetanguishene, 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: 2h and 3min
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 12min).
Average sunshine days in December
Penetanguishene, Canada
- Average sunshine days in December: 8.7 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is January (7.9 days).
Average UV index in December
Penetanguishene, 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, November and December (UV index 1).
Average cloud cover in December
Penetanguishene, Canada
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Penetanguishene, Canada
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).
