December weather forecastLuther, MI
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Luther, Michigan, with an average temperature fluctuating between 23°F (-5°C) and 30.4°F (-0.9°C).Temperature
December shows a mild decline in the average high-temperature, falling from November's icy 41.9°F (5.5°C) to a subzero cold 30.4°F (-0.9°C). Luther observes a minimal variance in temperature, with a consistent average low of 23°F (-5°C) during the nights of December.Humidity
The average relative humidity in December in Luther is 88%.Rainfall
In December, the rain falls for 6.5 days. Throughout December, 1.54" (39mm) of precipitation is accumulated. In Luther, during the entire year, the rain falls for 129.1 days and collects up to 21.14" (537mm) of precipitation.Snowfall
Months with snowfall in Luther, Michigan, are January through May, October through December. In Luther, during December, snow falls for 18.3 days and regularly aggregates up to 5.39" (137mm) of snow. In Luther, during the entire year, snow falls for 85.5 days and aggregates up to 25.47" (647mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Luther.On the first day of the month, sunrise is at 7:58 am and sunset at 5:05 pm. On the last day of December, sunrise is at 8:17 am and sunset at 5:14 pm EST.
Sunshine
In Luther, the average sunshine in December is 2.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Luther, MI
- Average high temperature in December: 30.4°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 (25°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in December
Luther, 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 (29.92"Hg).
Average wind speed in December
Luther, MI
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Luther, MI
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Luther, MI
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in December
Luther, MI
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is October (15.5 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Luther, MI
- Average snowfall in December: 5.39"
The month with the highest snowfall is January (6.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Luther, MI
- Average snowfall days in December: 18.3 days
The month with the highest number of snowfall days is January (21.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Luther, 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 12min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in December
Luther, MI
- Average sunshine days in December: 8.3 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is January (7.7 days).
Average UV index in December
Luther, MI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Luther, MI
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Luther, MI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
