December weather forecastPinckney, MI
December
Weather in December
The first month of the winter, December, is still a cold month in Pinckney, Michigan, with an average temperature varying between 33.8°F (1°C) and 24.8°F (-4°C).Temperature
December involves a decrease in temperature, down from a chilly 45°F (7.2°C) in November to a wintry 33.8°F (1°C). Pinckney, during the nights of December, averages a temperature close to its daytime high, at a subzero cold 24.8°F (-4°C).Humidity
In Pinckney, the average relative humidity in December is 84%.Rainfall
The month with the least rainfall in Pinckney is December, when the rain falls for 8.8 days and typically collects 1.57" (40mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 14.7 days. Throughout December, 3.7" (94mm) of snow is accumulated. In Pinckney, during the entire year, snow falls for 67.3 days and aggregates up to 21.61" (549mm) of snow.Daylight
The month with the shortest days in Pinckney is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:46 am and sunset at 5:03 pm. On the last day of December, sunrise is at 8:05 am and sunset at 5:13 pm EST.
Sunshine
In Pinckney, 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. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Pinckney, MI
- Average high temperature in December: 33.8°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 (27.9°F).
- Average low temperature in December: 24.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Pinckney, MI
- Average pressure in December: 30.08"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
Pinckney, MI
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Pinckney, MI
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Pinckney, MI
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is April (3.23").
The driest month (with the least rainfall) is December (1.57").
Average rainfall days in December
Pinckney, MI
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in December
Pinckney, MI
- Average snowfall in December: 3.7"
The month with the highest snowfall is February (6.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pinckney, MI
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pinckney, MI
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h and 12min
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 48min).
Average sunshine days in December
Pinckney, MI
- Average sunshine days in December: 10.8 days
The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in December
Pinckney, 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
Pinckney, 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
Pinckney, 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).
