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 sea temperature 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 average high-temperature drops from a frosty 7.8°C (46°F) in November to a cold 2.4°C (36.3°F). In December, in Mississauga, Canada, the average low-temperature is -1.5°C (29.3°F).Humidity
In December, the average relative humidity in Mississauga is 80%.Rainfall
In Mississauga, during December, the rain falls for 11.8 days and regularly aggregates up to 56mm (2.2") of precipitation. In Mississauga, during the entire year, the rain falls for 177.2 days and collects up to 786mm (30.94") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Mississauga, during December, snow falls for 12.5 days and regularly aggregates up to 76mm (2.99") of snow. In Mississauga, Canada, during the entire year, snow falls for 58.5 days and aggregates up to 403mm (15.87") of snow.Sea temperature
In Mississauga, the average seawater temperature in December is 4.9°C (40.8°F).Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.
Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Mississauga.On the first day of December in Mississauga, sunrise is at 7:32 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 4:51 pm EST.
Sunshine
The average sunshine in December is 3.2h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Mississauga. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 1 in December interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
FAQ
What is the temperature in December in Mississauga?
What is the average humidity in December in Mississauga?
How many days does it rain in December in Mississauga?
How much does it snow in Mississauga in December?
How cold is the water in December in Mississauga?
What is the month with the shortest days in Mississauga?
What is the average length of the day in December in Mississauga?
When is the sunrise / sunset in December in Mississauga?
How many hours of sunshine does Mississauga have in December?
When is the lowest UV index in Mississauga?
What is the UV index intensity in December in Mississauga?
Average temperature in December
Mississauga, Canada
- Average high temperature in December: 2.4°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 (-1.4°C).
- Average low temperature in December: -1.5°C
The month with the highest average low temperature is July (18.6°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).
Average pressure in December
Mississauga, Canada
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).
Average wind speed in December
Mississauga, Canada
- Average wind speed in December: 19.7km/h
The windiest month (with the highest average wind speed) is January (21km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity in December
Mississauga, Canada
- Average humidity in December: 80%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is September (74%).
Average rainfall in December
Mississauga, Canada
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is July (80mm).
The driest months (with the least rainfall) are September and November (55mm).
Average rainfall days in December
Mississauga, Canada
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is October (18.9 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in December
Mississauga, Canada
- Average snowfall in December: 76mm
The month with the highest snowfall is February (127mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Mississauga, Canada
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Mississauga, Canada
- Average sea temperature in December: 4.9°C
The best month for swimming (with the highest average sea temperature) is August (22.3°C).
The coldest months (with the lowest average sea temperature) are February and March (1.4°C).
Average daylight in December /
Average sunshine in December
Mississauga, Canada
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 23min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Mississauga, Canada
- Average sunshine days in December: 8.8 days
The month with the most sunshine days is September (13 days).
The month with the least sunshine days is January (7.5 days).
Average UV index in December
Mississauga, Canada
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Mississauga, Canada
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Mississauga, Canada
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).
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