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
As November transitions into December, Crystal Falls sees a drop in the average high-temperature, transitioning from an icy 36.5°F (2.5°C) to a subzero cold 24.8°F (-4°C). A modest dip in temperatures to an average of 16.2°F (-8.8°C) is observed throughout Crystal Falls's December nights.Humidity
The average relative humidity in December is 88%.Rainfall
In Crystal Falls, Michigan, during December, the rain falls for 7.8 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, there are 133.2 rainfall days, and 21.81" (554mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Crystal Falls, Michigan, in December, snow falls for 23.4 days, with typically accumulated 10.12" (257mm) of snow. In Crystal Falls, during the entire year, snow falls for 124.4 days and aggregates up to 53.23" (1352mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:09 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:17 pm CST.
Sunshine
In December, the average sunshine is 2.6h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In December, the UV index of 1 transforms into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December in Crystal Falls?
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 is the sunrise / sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Crystal Falls, MI
- Average high temperature in December: 24.8°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in December: 16.2°F
The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in December
Crystal Falls, MI
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Crystal Falls, MI
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is November (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in December
Crystal Falls, MI
- Average humidity in December: 88%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Crystal Falls, MI
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is April (2.68").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in December
Crystal Falls, MI
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in December
Crystal Falls, MI
- Average snowfall in December: 10.12"
The month with the highest snowfall is February (10.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Crystal Falls, MI
- Average snowfall days in December: 23.4 days
The month with the highest number of snowfall days is January (26.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Crystal Falls, MI
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 2h and 12min).
Average sunshine days in December
Crystal Falls, MI
- Average sunshine days in December: 6.5 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is January (5.2 days).
Average UV index in December
Crystal Falls, MI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Crystal Falls, MI
- Average cloud cover in December: 74
The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Crystal Falls, MI
- Average visibility in December: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February and March (4mi).
Crystal Falls, Michigan, USA
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