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
Toronto in December sees a clear temperature decline, with average high-temperatures decreasing from an icy 41.4°F (5.2°C) in November to a subzero cold 25.3°F (-3.7°C). Throughout December, the average low-temperature in Toronto dips to 14°F (-10°C).Humidity
In Toronto, the average relative humidity in December is 85%.Rainfall
In December, in Toronto, the rain falls for 3 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Toronto, there are 101.9 rainfall days, and 14.61" (371mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Toronto, in December, during 10.9 snowfall days, 3.15" (80mm) of snow is typically accumulated. Throughout the year, there are 49.9 snowfall days, and 14.02" (356mm) of snow is accumulated.Daylight
December has the shortest days of the year in Toronto, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:43 am and sunset at 4:47 pm. On the last day of December, sunrise is at 8:03 am and sunset at 4:56 pm CST.
Sunshine
In December, the average sunshine is 4.3h.UV index
In Toronto, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Toronto?
What is the average humidity in December in Toronto?
How much does it rain in Toronto in December?
How many days does it snow in December in Toronto?
What is the month with the shortest days in Toronto?
What is the average length of the day in December in Toronto?
When are sunrise and sunset in December in Toronto?
How many hours of sunshine does Toronto have in December?
How high is the UV index in December in Toronto?
Average temperature in December
Toronto, SD
- Average high temperature in December: 25.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (20.5°F).
- Average low temperature in December: 14°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in December
Toronto, SD
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Toronto, SD
- Average wind speed in December: 10.5mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in December
Toronto, SD
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Toronto, SD
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Toronto, SD
- Average rainfall days in December: 3 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (1.7 days).
Average snowfall in December
Toronto, SD
- Average snowfall in December: 3.15"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Toronto, SD
- Average snowfall days in December: 10.9 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Toronto, SD
- 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: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Toronto, SD
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
Toronto, SD
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in December
Toronto, SD
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Toronto, SD
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Toronto, South Dakota, USA
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