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
With the onset of December, Deckerville experiences a modest temperature adjustment, with the average high-temperature receding from a chilly 43.7°F (6.5°C) in November to an icy 33.3°F (0.7°C). In Deckerville, December's low temperatures hover around a freezing cold 25.9°F (-3.4°C), reflecting a minor decrease from the daytime highs.Humidity
In December, the average relative humidity in Deckerville is 83%.Rainfall
February and December are months with the least rain in Deckerville when the rain falls for 7.3 days and typically aggregates up to 1.26" (32mm) of rain.Snowfall
January through May, October through December are months with snowfall. In Deckerville, in December, snow falls for 13.5 days, with typically accumulated 2.8" (71mm) of snow. In Deckerville, Michigan, during the entire year, snow falls for 65.9 days and aggregates up to 16.46" (418mm) of snow.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 7:44 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:04 pm EST.
Sunshine
In Deckerville, the average sunshine in December is 3.2h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Deckerville, Michigan. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 during December translates into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Around midday, solar radiation is most harmful; hence, exposure should be limited. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is it in Deckerville in December?
What is the average humidity in December in Deckerville?
What is the driest month in Deckerville?
How many days does it rain in December in Deckerville?
How many days does it snow in December in Deckerville?
What is the month with the shortest days in Deckerville?
What is the average length of the day in December in Deckerville?
When is the sunrise / sunset in December in Deckerville?
How many hours of sunshine does Deckerville have in December?
When is the lowest UV index in Deckerville?
How high is the UV index in December in Deckerville?
Average temperature in December
Deckerville, MI
- Average high temperature in December: 33.3°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Deckerville, MI
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Deckerville, MI
- Average wind speed in December: 11.4mph
The windiest month (with the highest average wind speed) is January (11.8mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Deckerville, MI
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in December
Deckerville, MI
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are February and December (1.26").
Average rainfall days in December
Deckerville, MI
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is October (16.9 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in December
Deckerville, MI
- Average snowfall in December: 2.8"
The month with the highest snowfall is January (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Deckerville, MI
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Deckerville, MI
- 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
Deckerville, MI
- Average sunshine days in December: 11 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in December
Deckerville, MI
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Deckerville, MI
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Deckerville, MI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Deckerville, Michigan, USA
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