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 beginning of December marks a decrease in the average high-temperature, transitioning from a chilly 44.2°F (6.8°C) in November to a wintry 33.1°F (0.6°C). Throughout December, Swartz Creek observes a steady low-temperature average of 24.1°F (-4.4°C), reflecting a minor dip from daytime highs.Humidity
The average relative humidity in December is 84%.Rainfall
The months with the least rainfall are February and December Rain falls for 6 days and accumulates 0.67" (17mm) of rain.Snowfall
Months with snowfall are January through April, October through December. In Swartz Creek, in December, snow falls for 9.9 days, with typically accumulated 1.14" (29mm) of snow. In Swartz Creek, during the entire year, snow falls for 50.5 days and aggregates up to 8.58" (218mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:47 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:10 pm EST.
Sunshine
The average sunshine in December is 3.2h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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?
What is the driest month?
How much 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 Swartz Creek have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Swartz Creek, MI
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
Swartz Creek, MI
- Average pressure in December: 30.07"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
Swartz Creek, MI
- Average wind speed in December: 9.9mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
Swartz Creek, MI
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Swartz Creek, MI
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (1.97").
The driest months (with the least rainfall) are February and December (0.67").
Average rainfall days in December
Swartz Creek, MI
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in December
Swartz Creek, MI
- Average snowfall in December: 1.14"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Swartz Creek, MI
- Average snowfall days in December: 9.9 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Swartz Creek, MI
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h and 1min
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 42min).
Average sunshine days in December
Swartz Creek, MI
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (12 days).
Average UV index in December
Swartz Creek, 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
Swartz Creek, 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 32).
Average visibility in December
Swartz Creek, MI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).
Swartz Creek, Michigan, USA
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