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
As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a chilly 43.5°F (6.4°C) to a cold 33.4°F (0.8°C). Custer registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 27.7°F (-2.4°C) during December.Humidity
The average relative humidity in December in Custer, Michigan, is 82%.Rainfall
In Custer, in December, it is raining for 3.7 days, with typically 0.51" (13mm) of accumulated precipitation. In Custer, during the entire year, the rain falls for 96.6 days and collects up to 8.58" (218mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Custer, in December, during 10.6 snowfall days, 0.71" (18mm) of snow is typically accumulated. Throughout the year, in Custer, there are 47.7 snowfall days, and 4.45" (113mm) 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 8:00 am and sunset at 5:08 pm. On the last day of December, in Custer, sunrise is at 8:19 am and sunset at 5:17 pm EST.
Sunshine
The average sunshine in December in Custer is 2.4h.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 vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. During bright days, sunglasses that offer UVA and UVB defense are recommended. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
How cold is it in Custer in December?
What is the average humidity in December in Custer?
How much does it rain in Custer in December?
How much does it snow in Custer in December?
What is the month with the shortest days in Custer?
What is the average length of the day in December in Custer?
When are sunrise and sunset in December in Custer?
How long on average sun shines in December in Custer?
When is the lowest UV index in Custer?
What is the UV index reading in December in Custer?
Average temperature in December
Custer, MI
- Average high temperature in December: 33.4°F
The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in December
Custer, 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 (29.91"Hg).
Average wind speed in December
Custer, MI
- Average wind speed in December: 13.9mph
The windiest month (with the highest average wind speed) is November (14.3mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in December
Custer, MI
- Average humidity in December: 82%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Custer, MI
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is October (1.3").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in December
Custer, MI
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is October (12.3 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Custer, MI
- Average snowfall in December: 0.71"
The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Custer, MI
- Average snowfall days in December: 10.6 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Custer, 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: 2h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in December
Custer, MI
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is March (18.8 days).
The month with the least sunshine days is October (15.3 days).
Average UV index in December
Custer, MI
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Custer, MI
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 81).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in December
Custer, 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).
Custer, Michigan, USA
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