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 to December, the average high-temperature falls from a frosty 44.6°F (7°C) to a wintry 33.3°F (0.7°C). During the month of December, Howell identifies an average nighttime low-temperature of 24.8°F (-4°C), slightly lower than its daytime counterpart.Humidity
In Howell, the average relative humidity in December is 84%.Rainfall
The month with the least rainfall is December, when the rain falls for 7.8 days and typically collects 1.3" (33mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Howell, Michigan, in December, snow falls for 12.7 days, with typically accumulated 2.8" (71mm) of snow. Throughout the year, there are 62.6 snowfall days, and 16.57" (421mm) of snow is accumulated.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 7:46 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 5:12 pm EST.
Sunshine
The average sunshine in December in Howell is 3.3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of 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 many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Howell have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Howell, MI
- Average high temperature in December: 33.3°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in December: 24.8°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Howell, MI
- Average pressure in December: 30.07"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Howell, MI
- Average wind speed in December: 9.7mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
Howell, 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
Howell, MI
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days in December
Howell, MI
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in December
Howell, MI
- Average snowfall in December: 2.8"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Howell, MI
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Howell, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Howell, MI
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in December
Howell, 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
Howell, 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 31).
Average visibility in December
Howell, MI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, September and December (5mi).
Howell, Michigan, USA
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