December weather forecastStreetsville, Canada
December
Weather in December
December, the first month of the winter in Streetsville, is also an icy month, with temperature in the range of an average low of -2.9°C (26.8°F) and an average high of 1.3°C (34.3°F).Temperature
The onset of December comes with a shift in the average high-temperature, falling from a frosty 7°C (44.6°F) in November to a cold 1.3°C (34.3°F). Streetsville's nighttime temperatures in December display a slight drop from daytime highs, averaging to a subzero cold -2.9°C (26.8°F).Humidity
In Streetsville, the average relative humidity in December is 81%.Rainfall
In Streetsville, in December, it is raining for 11.5 days, with typically 49mm (1.93") of accumulated precipitation. In Streetsville, during the entire year, the rain falls for 161.2 days and collects up to 662mm (26.06") of precipitation.Snowfall
Months with snowfall in Streetsville, Canada, are January through May, November and December. In December, it is snowing for 14.5 days. Throughout December, 81mm (3.19") of snow is accumulated. In Streetsville, during the entire year, snow falls for 66.2 days and aggregates up to 498mm (19.61") of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:32 am and sunset at 4:43 pm. On the last day of December, in Streetsville, Canada, sunrise is at 7:52 am and sunset at 4:52 pm EST.
Sunshine
In December, the average sunshine in Streetsville is 3.5h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Streetsville, Canada
- Average high temperature in December: 1.3°C
The warmest month (with the highest average high temperature) is July (25°C).
The month with the lowest average high temperature is January (-2.5°C).
- Average low temperature in December: -2.9°C
The months with the highest average low temperature are July and August (17.7°C).
The coldest month (with the lowest average low temperature) is January (-7.4°C).
Average pressure in December
Streetsville, Canada
- Average pressure in December: 1017.5mbar
The month with the highest atmospheric pressure is March (1018.4mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).
Average wind speed in December
Streetsville, Canada
- Average wind speed in December: 18.3km/h
The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest month (with the lowest average wind speed) is July (11.5km/h).
Average humidity in December
Streetsville, Canada
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July, August and September (75%).
Average rainfall in December
Streetsville, Canada
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is May (72mm).
The driest month (with the least rainfall) is September (32mm).
Average rainfall days in December
Streetsville, Canada
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in December
Streetsville, Canada
- Average snowfall in December: 81mm
The month with the highest snowfall is February (134mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Streetsville, Canada
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Streetsville, Canada
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Streetsville, Canada
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in December
Streetsville, 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
Streetsville, Canada
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Streetsville, Canada
- Average visibility in December: 9km
The months with the highest visibility are July, August, September and October (10km).
The months with the lowest visibility are January and February (8km).
