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
Weather in December
Temperature
The start of December involves a temperature drop, moving from a cold 5°C (41°F) in November to a freezing cold -2.2°C (28°F). The average low-temperature during December nights is -7.8°C (18°F).Humidity
The average relative humidity in December in Salaberry-de-Valleyfield is 86%.Rainfall
In Salaberry-de-Valleyfield, during December, the rain falls for 7.8 days and regularly aggregates up to 59mm (2.32") of precipitation. Throughout the year, there are 138.5 rainfall days, and 712mm (28.03") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Salaberry-de-Valleyfield, in December, snow falls for 11.4 days, with typically accumulated 135mm (5.31") of snow. Throughout the year, there are 56.7 snowfall days, and 769mm (30.28") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 7:16 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:24 pm EST.
Sunshine
In Salaberry-de-Valleyfield, the average sunshine in December is 3.3h.UV index
January, November 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 unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 1 during December translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
How cold is it in Salaberry-de-Valleyfield in December?
What is the average humidity in December in Salaberry-de-Valleyfield?
How much does it rain in Salaberry-de-Valleyfield in December?
How many days does it snow in December in Salaberry-de-Valleyfield?
What is the month with the shortest days in Salaberry-de-Valleyfield?
How many hours of daylight does Salaberry-de-Valleyfield have in December?
When is the sunrise / sunset in December in Salaberry-de-Valleyfield?
How many hours of sunshine does Salaberry-de-Valleyfield have in December?
What is the month with the lowest UV index in Salaberry-de-Valleyfield?
What is the UV index reading in December in Salaberry-de-Valleyfield?
Average temperature in December
Salaberry-de-Valleyfield, Canada
- Average high temperature in December: -2.2°C
The warmest month (with the highest average high temperature) is July (25.2°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in December: -7.8°C
The month with the highest average low temperature is July (15.7°C).
The coldest month (with the lowest average low temperature) is January (-13.1°C).
Average pressure in December
Salaberry-de-Valleyfield, Canada
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1012.4mbar).
Average wind speed in December
Salaberry-de-Valleyfield, Canada
- Average wind speed in December: 13.6km/h
The windiest month (with the highest average wind speed) is February (14.7km/h).
The calmest months (with the lowest average wind speed) are July and August (10.9km/h).
Average humidity in December
Salaberry-de-Valleyfield, Canada
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (90%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in December
Salaberry-de-Valleyfield, Canada
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is May (75mm).
The driest month (with the least rainfall) is November (48mm).
Average rainfall days in December
Salaberry-de-Valleyfield, Canada
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Salaberry-de-Valleyfield, Canada
- Average snowfall in December: 135mm
The month with the highest snowfall is February (208mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Salaberry-de-Valleyfield, Canada
- Average snowfall days in December: 11.4 days
The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Salaberry-de-Valleyfield, Canada
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in December
Salaberry-de-Valleyfield, Canada
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in December
Salaberry-de-Valleyfield, 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, November and December (UV index 1).
Average cloud cover in December
Salaberry-de-Valleyfield, Canada
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Salaberry-de-Valleyfield, 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, February, March and December (8km).
Salaberry-de-Valleyfield, Canada
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