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
December
Weather in December
Temperature
As November transitions to December, the average high-temperature falls from an icy 5.3°C (41.5°F) to a freezing cold -0.8°C (30.6°F). In Mount Forest, nights during December observe an average temperature decrease to a still subzero cold -5.5°C (22.1°F).Humidity
The average relative humidity in December in Mount Forest is 87%.Rainfall
In Mount Forest, in December, during 7.4 rainfall days, 44mm (1.73") of precipitation is typically accumulated. Throughout the year, in Mount Forest, there are 152.4 rainfall days, and 667mm (26.26") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 16.5 days. Throughout December, 149mm (5.87") of snow is accumulated. Throughout the year, there are 82.2 snowfall days, and 845mm (33.27") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:38 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 4:55 pm EST.
Sunshine
The average sunshine in December is 2.8h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a daily UV index of 1 turns into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December in Mount Forest?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Mount Forest have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mount Forest, Canada
- Average high temperature in December: -0.8°C
The warmest month (with the highest average high temperature) is July (24.4°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in December: -5.5°C
The month with the highest average low temperature is July (14.7°C).
The coldest month (with the lowest average low temperature) is January (-10°C).
Average pressure in December
Mount Forest, Canada
- Average pressure in December: 1017.3mbar
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
Mount Forest, Canada
- Average wind speed in December: 16.4km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is July (10.8km/h).
Average humidity in December
Mount Forest, Canada
- Average humidity in December: 87%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Mount Forest, Canada
- Average rainfall in December: 44mm
The wettest month (with the highest rainfall) is October (70mm).
The driest months (with the least rainfall) are February and September (39mm).
Average rainfall days in December
Mount Forest, Canada
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Mount Forest, Canada
- Average snowfall in December: 149mm
The month with the highest snowfall is January (167mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Mount Forest, Canada
- Average snowfall days in December: 16.5 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Forest, 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: 2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Mount Forest, Canada
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is January (9 days).
Average UV index in December
Mount Forest, 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, November and December (UV index 1).
Average cloud cover in December
Mount Forest, Canada
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Mount Forest, Canada
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August and October (9km).
The months with the lowest visibility are January, February, March, September, November and December (8km).
