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 sea temperature 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
December involves a decrease in temperature, down from a cold 39.4°F (4.1°C) in November to a freezing cold 29.3°F (-1.5°C). Munising marks an average drop to 23°F (-5°C) during nighttime in December, following the high of the day.Humidity
In December, the average relative humidity is 84%.Rainfall
In Munising, Michigan, in December, it is raining for 7 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, there are 122.5 rainfall days, and 21.89" (556mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 18.4 days and typically aggregates up to 6.14" (156mm) of snow.Ocean temperature
In Munising, in December, the average water temperature is 39.9°F (4.4°C).Note: While swimming, this scenario is perilously cold, dangerous, and potentially fatal. Hypothermia is almost imminent without proper insulated waterproof attire.
Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 8:10 am and sunset at 5:01 pm. On the last day of December, sunrise is at 8:29 am and sunset at 5:09 pm EST.
Sunshine
The average sunshine in December is 2.2h.UV index
January through March, November 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 unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 translates into these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December in Munising?
When does it snow the most?
How much does it snow in December?
What is the ocean temperature in December?
What is the month with the shortest days?
How many hours of daylight does Munising have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Munising have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Munising, MI
- Average high temperature in December: 29.3°F
The warmest month (with the highest average high temperature) is August (69.1°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is February (16.2°F).
Average pressure in December
Munising, MI
- Average pressure in December: 30.02"Hg
The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Munising, MI
- Average wind speed in December: 12.4mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in December
Munising, 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 May (76%).
Average rainfall in December
Munising, MI
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is October (2.56").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in December
Munising, MI
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is October (14.6 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Munising, MI
- Average snowfall in December: 6.14"
The month with the highest snowfall is December (6.14").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Munising, MI
- Average snowfall days in December: 18.4 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Munising, MI
- Average sea temperature in December: 40°F
The best month for swimming (with the highest average sea temperature) is August (64.3°F).
The coldest months (with the lowest average sea temperature) are February and March (33.8°F).
Average daylight in December /
Average sunshine in December
Munising, MI
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in December
Munising, MI
- Average sunshine days in December: 6.9 days
The month with the most sunshine days is August (16.3 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in December
Munising, MI
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Munising, MI
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Munising, MI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Munising, Michigan, USA
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