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 shift from November to December corresponds with a decrease in the average high-temperature, down to a cold 34.7°F (1.5°C) from a frosty 45.3°F (7.4°C). Night temperatures during December stabilize at an average of 26.2°F (-3.2°C), closely mirroring the daytime temperatures.Humidity
In Tappan, the average relative humidity in December is 82%.Rainfall
In Tappan, in December, during 8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 138 rainfall days, and 17.8" (452mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Tappan. In Tappan, in December, snow falls for 11.3 days, with typically accumulated 1.54" (39mm) of snow. Throughout the year, in Tappan, there are 55.4 snowfall days, and 10.55" (268mm) 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 7:42 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:05 pm EST.
Sunshine
In December, the average sunshine is 3.3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Tappan, Michigan. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 1 during December leads to these instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Tappan in December?
What is the average humidity in December in Tappan?
How many days does it rain in December in Tappan?
How many days does it snow in December in Tappan?
What is the month with the shortest days in Tappan?
How many hours of daylight does Tappan have in December?
When are sunrise and sunset in December in Tappan?
How many hours of sunshine does Tappan have in December?
What are the months with the lowest UV index in Tappan?
What is the UV index intensity in December in Tappan?
Average temperature in December
Tappan, MI
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 26.2°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 (18.3°F).
Average pressure in December
Tappan, 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
Tappan, MI
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Tappan, MI
- Average humidity in December: 82%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in December
Tappan, MI
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
Tappan, MI
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Tappan, MI
- Average snowfall in December: 1.54"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Tappan, MI
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tappan, 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: 3h and 0min).
Average sunshine days in December
Tappan, MI
- Average sunshine days in December: 13.8 days
The months with the most sunshine days are October and November (15 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in December
Tappan, MI
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Tappan, MI
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Tappan, MI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Tappan, Michigan, USA
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