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
In December, the meteorological conditions alter, with the average high-temperature shifting from an icy 4.8°C (40.6°F) in November to a freezing cold -2.5°C (27.5°F). Throughout the December nights, Rosemère encounters a low-temperature of -7.8°C (18°F).Humidity
In December, the average relative humidity is 86%.Rainfall
In Rosemère, in December, during 8.6 rainfall days, 67mm (2.64") of precipitation is typically accumulated. Throughout the year, there are 146.6 rainfall days, and 778mm (30.63") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Rosemère. In Rosemère, Canada, in December, during 12.9 snowfall days, 185mm (7.28") of snow is typically accumulated. Throughout the year, in Rosemère, there are 65.4 snowfall days, and 975mm (38.39") of snow is accumulated.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December in Rosemère, Canada, sunrise is at 7:16 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:21 pm EST.
Sunshine
In Rosemère, the average sunshine in December is 3.4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Rosemère. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 1 during December translates into these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. It's recommended to limit sun exposure when its radiation is at its peak during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Rosemère in December?
What is the average humidity in December in Rosemère?
How much does it rain in Rosemère in December?
How many days does it snow in December in Rosemère?
What is the month with the shortest days in Rosemère?
How many hours of daylight does Rosemère have in December?
When are sunrise and sunset in December in Rosemère?
How many hours of sunshine does Rosemère have in December?
What is the month with the lowest UV index in Rosemère?
What is the UV index reading in December in Rosemère?
Average temperature in December
Rosemère, Canada
- Average high temperature in December: -2.5°C
The warmest month (with the highest average high temperature) is July (25.3°C).
The month with the lowest average high temperature is January (-6.1°C).
- Average low temperature in December: -7.8°C
The month with the highest average low temperature is July (15.8°C).
The coldest month (with the lowest average low temperature) is January (-13.3°C).
Average pressure in December
Rosemère, Canada
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is November (1017.8mbar).
The month with the lowest atmospheric pressure is June (1012.4mbar).
Average wind speed in December
Rosemère, Canada
- Average wind speed in December: 13km/h
The windiest month (with the highest average wind speed) is April (14.3km/h).
The calmest months (with the lowest average wind speed) are July and August (10.8km/h).
Average humidity in December
Rosemère, Canada
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (74%).
Average rainfall in December
Rosemère, Canada
- Average rainfall in December: 67mm
The wettest month (with the highest rainfall) is October (78mm).
The driest month (with the least rainfall) is September (49mm).
Average rainfall days in December
Rosemère, Canada
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in December
Rosemère, Canada
- Average snowfall in December: 185mm
The month with the highest snowfall is February (263mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Rosemère, Canada
- Average snowfall days in December: 12.9 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rosemère, 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 6min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in December
Rosemère, Canada
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in December
Rosemère, 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
Rosemère, Canada
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Rosemère, 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).
Rosemère, Canada
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