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
As December arrives, Petawawa's weather displays a decrease in high-temperatures, transitioning from November's wintry 3.8°C (38.8°F) to a freezing cold -3.5°C (25.7°F). In December, the average low-temperature is a still subzero cold -9°C (15.8°F).Humidity
In Petawawa, the average relative humidity in December is 87%.Rainfall
In Petawawa, during December, the rain falls for 6.3 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, in Petawawa, there are 126 rainfall days, and 575mm (22.64") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Petawawa, in December, during 16.3 snowfall days, 172mm (6.77") of snow is typically accumulated. In Petawawa, during the entire year, snow falls for 81.7 days and aggregates up to 1025mm (40.35") of snow.Daylight
December has the shortest days of the year in Petawawa, Canada, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:30 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:50 am and sunset at 4:34 pm EST.
Sunshine
The average sunshine in December in Petawawa, Canada, is 2.7h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Petawawa in December?
What is the average humidity in December in Petawawa?
How much does it rain in Petawawa in December?
How much does it snow in Petawawa in December?
What is the month with the shortest days in Petawawa?
How many hours of daylight does Petawawa have in December?
When is the sunrise / sunset in December in Petawawa?
How many hours of sunshine does Petawawa have in December?
When is the lowest UV index in Petawawa?
How high is the UV index in December in Petawawa?
Average temperature in December
Petawawa, Canada
- Average high temperature in December: -3.5°C
The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-6.8°C).
- Average low temperature in December: -9°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-15.1°C).
Average pressure in December
Petawawa, Canada
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1012.5mbar).
Average wind speed in December
Petawawa, Canada
- Average wind speed in December: 10.6km/h
The windiest month (with the highest average wind speed) is April (12km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in December
Petawawa, Canada
- Average humidity in December: 87%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Petawawa, Canada
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is April (68mm).
The driest month (with the least rainfall) is November (37mm).
Average rainfall days in December
Petawawa, Canada
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in December
Petawawa, Canada
- Average snowfall in December: 172mm
The month with the highest snowfall is January (239mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Petawawa, Canada
- Average snowfall days in December: 16.3 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Petawawa, Canada
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 1h and 54min).
Average sunshine days in December
Petawawa, Canada
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in December
Petawawa, Canada
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Petawawa, Canada
- Average cloud cover in December: 72
The months with the most cloud cover are January and February (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Petawawa, Canada
- Average visibility in December: 7km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (6km).
