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 start of December comes with a reduction in the average high-temperature, receding from a cold 41.9°F (5.5°C) in November to a freezing cold 30.6°F (-0.8°C). With a barely noticeable fluctuation in temperature, Harrison reaches an average low of 22.6°F (-5.2°C) during the December nights.Humidity
In December, the average relative humidity in Harrison is 86%.Rainfall
In December, in Harrison, the rain falls for 6.3 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. In Harrison, during the entire year, the rain falls for 127 days and collects up to 20.12" (511mm) of precipitation.Snowfall
Months with snowfall in Harrison are January through May, October through December. In Harrison, in December, during 17.2 snowfall days, 4.37" (111mm) of snow is typically accumulated. Throughout the year, there are 79 snowfall days, and 24.61" (625mm) of snow is accumulated.Daylight
The month with the shortest days in Harrison is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:54 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 5:11 pm EST.
Sunshine
In Harrison, the average sunshine in December is 2.5h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Opt for tightly woven and loose clothing to enhance protection from the Sun. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
How cold is it in Harrison in December?
What is the average humidity in December in Harrison?
How much does it rain in Harrison in December?
How many days does it snow in December in Harrison?
What is the month with the shortest days in Harrison?
What is the average length of the day in December in Harrison?
When are sunrise and sunset in December in Harrison?
How many hours of sunshine does Harrison have in December?
What are the months with the lowest UV index in Harrison?
What is the UV index reading in December in Harrison?
Average temperature in December
Harrison, MI
- Average high temperature in December: 30.6°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 (24.8°F).
- Average low temperature in December: 22.6°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in December
Harrison, MI
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Harrison, MI
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Harrison, MI
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Harrison, MI
- Average rainfall in December: 1.22"
The wettest months (with the highest rainfall) are May and October (2.68").
The driest month (with the least rainfall) is September (0.87").
Average rainfall days in December
Harrison, MI
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in December
Harrison, MI
- Average snowfall in December: 4.37"
The month with the highest snowfall is January (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Harrison, MI
- Average snowfall days in December: 17.2 days
The month with the highest number of snowfall days is January (19.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harrison, 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 3min
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 6min).
Average sunshine days in December
Harrison, MI
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is January (10.5 days).
Average UV index in December
Harrison, 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, November and December (UV index 1).
Average cloud cover in December
Harrison, MI
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Harrison, MI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, October and November (6mi).
The month with the lowest visibility is January (4mi).
Harrison, Michigan, USA
Weather forecast for your location
2. Allow the app to use your location
