December weather forecastCaro, MI
December
Weather in December
The first month of the winter, December, is also an icy month in Caro, Michigan, with an average temperature varying between 32.9°F (0.5°C) and 24.4°F (-4.2°C).Temperature
With December's onset, the weather shows a temperature decrease, transitioning from a frosty 43.9°F (6.6°C) in November to an icy 32.9°F (0.5°C). An average low-temperature of 24.4°F (-4.2°C) is witnessed throughout the month of December, a mere drop from the daytime peak.Humidity
In December, the average relative humidity is 84%.Rainfall
December is the month with the least rainfall. Rain falls for 7.5 days and accumulates 1.18" (30mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Caro, in December, snow falls for 14 days, with typically accumulated 2.76" (70mm) of snow. Throughout the year, there are 65 snowfall days, and 16.26" (413mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:47 am and sunset at 4:58 pm. On the last day of December, in Caro, sunrise is at 8:06 am and sunset at 5:07 pm EST.
Sunshine
In Caro, the average sunshine in December is 3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Caro, MI
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 24.4°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in December
Caro, 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
Caro, MI
- Average wind speed in December: 10.2mph
The windiest months (with the highest average wind speed) are January, February and April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Caro, MI
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in December
Caro, MI
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in December
Caro, MI
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is October (15.8 days).
The month with the least rainy days is February (5 days).
Average snowfall in December
Caro, MI
- Average snowfall in December: 2.76"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Caro, MI
- Average snowfall days in December: 14 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
Caro, 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 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 36min).
Average sunshine days in December
Caro, MI
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in December
Caro, 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
Caro, 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
Caro, 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).
