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
The start of December brings a distinct shift in the average high-temperature, dropping from November's wintry 41.2°F (5.1°C) to a subzero cold 26.2°F (-3.2°C). December nights are marked by an average temperature drop to a still freezing cold 15.3°F (-9.3°C).Humidity
In Cannon Falls, Minnesota, the average relative humidity in December is 88%.Rainfall
In Cannon Falls, in December, during 4.4 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, in Cannon Falls, there are 128.1 rainfall days, and 25.16" (639mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Cannon Falls, in December, during 14.1 snowfall days, 4.53" (115mm) of snow is typically accumulated. In Cannon Falls, during the entire year, snow falls for 67.6 days and aggregates up to 25.71" (653mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:28 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:47 am and sunset at 4:41 pm CST.
Sunshine
In December, the average sunshine is 3.5h.UV index
The months with the lowest UV index are January, February, 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 rays for average individuals.Note: The daily high UV index of 1 during December translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
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 Cannon Falls have in December?
What are the months with the lowest UV index?
How high is the UV index in December in Cannon Falls?
Average temperature in December
Cannon Falls, MN
- Average high temperature in December: 26.2°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in December: 15.3°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 (7.3°F).
Average pressure in December
Cannon Falls, MN
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Cannon Falls, MN
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in December
Cannon Falls, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Cannon Falls, MN
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in December
Cannon Falls, MN
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is June (17.6 days).
The months with the least rainy days are January and February (2.5 days).
Average snowfall in December
Cannon Falls, MN
- Average snowfall in December: 4.53"
The month with the highest snowfall is February (6.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cannon Falls, MN
- Average snowfall days in December: 14.1 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cannon Falls, MN
- 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: 3h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Cannon Falls, MN
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
Cannon Falls, MN
- 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, November and December (UV index 1).
Average cloud cover in December
Cannon Falls, MN
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Cannon Falls, MN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Cannon Falls, Minnesota, USA
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