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
In December, the meteorological conditions alter, with the average high-temperature shifting from a cold 42.6°F (5.9°C) in November to a still wintry 32.2°F (0.1°C). A steady low-temperature average of 24.4°F (-4.2°C) is logged during December, reflecting a modest dip from daytime readings.Humidity
The average relative humidity in December is 86%.Rainfall
In Irons, in December, during 6.1 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Irons, during the entire year, the rain falls for 127.4 days and collects up to 19.84" (504mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 17.5 days and accumulates 7.01" (178mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:59 am and sunset at 5:06 pm. On the last day of December, sunrise is at 8:18 am and sunset at 5:15 pm EST.
Sunshine
The average sunshine in December is 2.3h.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 exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 1 in December translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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 in Irons?
How much does it rain in December?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Irons have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Irons, MI
- Average high temperature in December: 32.2°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in December: 24.4°F
The months with the highest average low temperature are July and August (59°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Irons, 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 (29.91"Hg).
Average wind speed in December
Irons, MI
- Average wind speed in December: 10.1mph
The windiest months (with the highest average wind speed) are January, February and November (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in December
Irons, MI
- Average humidity in December: 86%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Irons, MI
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is October (2.56").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in December
Irons, MI
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is October (15.5 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in December
Irons, MI
- Average snowfall in December: 7.01"
The month with the highest snowfall is December (7.01").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Irons, MI
- Average snowfall days in December: 17.5 days
The month with the highest number of snowfall days is January (20.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Irons, MI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 2h and 2min
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
Irons, MI
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is January (7.3 days).
Average UV index in December
Irons, 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
Irons, 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 31).
Average visibility in December
Irons, 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).
Irons, Michigan, USA
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