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
During McMasterville's transition into December, the average high-temperature lessens, moving from a cold 5°C (41°F) in November to a freezing cold -2.3°C (27.9°F). December generally records an average low-temperature of -7.7°C (18.1°F).Humidity
In December, the average relative humidity is 86%.Rainfall
In December, in McMasterville, the rain falls for 8.5 days. Throughout December, 75mm (2.95") of precipitation is accumulated. Throughout the year, there are 159.6 rainfall days, and 875mm (34.45") of precipitation is accumulated.Snowfall
Months with snowfall in McMasterville are January through May, October through December. In McMasterville, during December, snow falls for 15.5 days and regularly aggregates up to 216mm (8.5") of snow. Throughout the year, in McMasterville, there are 77.9 snowfall days, and 1133mm (44.61") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 4:10 pm. On the last day of December, in McMasterville, sunrise is at 7:33 am and sunset at 4:19 pm EST.
Sunshine
In McMasterville, the average sunshine in December is 3.1h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 1 in December translates into this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold is December in McMasterville?
What is the average humidity in December in McMasterville?
How much does it rain in McMasterville in December?
How much does it snow in McMasterville in December?
What is the month with the shortest days in McMasterville?
How many hours of daylight does McMasterville have in December?
When are sunrise and sunset in December in McMasterville?
How many hours of sunshine does McMasterville have in December?
What is the month with the lowest UV index in McMasterville?
What is the UV index intensity in December in McMasterville?
Average temperature in December
McMasterville, Canada
- Average high temperature in December: -2.3°C
The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in December: -7.7°C
The month with the highest average low temperature is July (15.9°C).
The coldest month (with the lowest average low temperature) is January (-13°C).
Average pressure in December
McMasterville, 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
McMasterville, Canada
- Average wind speed in December: 13km/h
The windiest months (with the highest average wind speed) are February and April (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in December
McMasterville, 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 (74%).
Average rainfall in December
McMasterville, Canada
- Average rainfall in December: 75mm
The wettest month (with the highest rainfall) is May (86mm).
The driest month (with the least rainfall) is September (56mm).
Average rainfall days in December
McMasterville, Canada
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in December
McMasterville, Canada
- Average snowfall in December: 216mm
The month with the highest snowfall is January (295mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
McMasterville, Canada
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (18.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
McMasterville, 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 1min
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 42min).
Average sunshine days in December
McMasterville, Canada
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in December
McMasterville, 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, February and December (UV index 1).
Average cloud cover in December
McMasterville, Canada
- Average cloud cover in December: 67
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
McMasterville, 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 and February (7km).
McMasterville, Canada
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