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
December ushers in a slight temperature change, with average high-temperatures reducing from November's frosty 45.7°F (7.6°C) to an icy 35.2°F (1.8°C). A mean low-temperature of 27.7°F (-2.4°C) is anticipated during the month of December, a slight step down from the daytime high.Humidity
In December, the average relative humidity in Grand Junction is 83%.Rainfall
In December, the rain falls for 9 days. Throughout December, 1.81" (46mm) of precipitation is accumulated. Throughout the year, there are 157.3 rainfall days, and 30.04" (763mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 12.5 days. Throughout December, 2.76" (70mm) of snow is accumulated. In Grand Junction, Michigan, during the entire year, snow falls for 55.3 days and aggregates up to 17.52" (445mm) of snow.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 7:54 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 5:21 pm EST.
Sunshine
In December, the average sunshine in Grand Junction is 3.3h.UV index
The month with the lowest UV index in Grand Junction is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is December in Grand Junction?
What is the average humidity in December in Grand Junction?
How many days does it rain in December in Grand Junction?
How many days does it snow in December in Grand Junction?
What is the month with the shortest days in Grand Junction?
How many hours of daylight does Grand Junction have in December?
When are sunrise and sunset in December in Grand Junction?
How long on average sun shines in December in Grand Junction?
When is the lowest UV index in Grand Junction?
How high is the UV index in December in Grand Junction?
Average temperature in December
Grand Junction, MI
- Average high temperature in December: 35.2°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 (29.3°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Grand Junction, MI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Grand Junction, MI
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Grand Junction, MI
- Average humidity in December: 83%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Grand Junction, MI
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in December
Grand Junction, MI
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in December
Grand Junction, MI
- Average snowfall in December: 2.76"
The month with the highest snowfall is January (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Grand Junction, MI
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grand Junction, MI
- Average daylight in December: 9h and 1min
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 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 42min).
Average sunshine days in December
Grand Junction, MI
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is March (14.7 days).
The month with the least sunshine days is January (8.8 days).
Average UV index in December
Grand Junction, MI
- Average UV index in December: 1
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Grand Junction, MI
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Grand Junction, MI
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Grand Junction, Michigan, USA
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