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 transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a chilly 43.9°F (6.6°C) in November to a wintry 32.7°F (0.4°C). Greenville, during December nights, records a temperature marginally cooler than the daytime average, at a freezing cold 24.6°F (-4.1°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In Greenville, during December, the rain falls for 10.2 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Greenville, during the entire year, the rain falls for 156.9 days and collects up to 26.14" (664mm) of precipitation.Snowfall
Months with snowfall in Greenville are January through April, October through December. In December, in Greenville, it is snowing for 17.7 days. Throughout December, 5.83" (148mm) of snow is accumulated. In Greenville, during the entire year, snow falls for 78.4 days and aggregates up to 25.91" (658mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December in Greenville, sunrise is at 7:53 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 5:15 pm EST.
Sunshine
The average sunshine in December is 3h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
How cold is it in Greenville in December?
What is the average humidity in December in Greenville?
How much does it rain in Greenville in December?
How many days does it snow in December in Greenville?
What is the month with the shortest days in Greenville?
What is the average length of the day in December in Greenville?
When are sunrise and sunset in December in Greenville?
How long on average sun shines in December in Greenville?
What are the months with the lowest UV index in Greenville?
What is the UV index reading in December in Greenville?
Average temperature in December
Greenville, MI
- Average high temperature in December: 32.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Greenville, 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 (29.92"Hg).
Average wind speed in December
Greenville, MI
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Greenville, MI
- Average humidity in December: 85%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Greenville, MI
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in December
Greenville, MI
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in December
Greenville, MI
- Average snowfall in December: 5.83"
The month with the highest snowfall is January (7.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Greenville, MI
- Average snowfall days in December: 17.7 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greenville, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Greenville, MI
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in December
Greenville, 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, November and December (UV index 1).
Average cloud cover in December
Greenville, MI
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Greenville, MI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The month with the lowest visibility is January (4mi).
Greenville, Michigan, USA
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