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 involves a temperature drop, moving from an icy 36.5°F (2.5°C) in November to a subzero cold 24.4°F (-4.2°C). Ironwood's nighttime temperatures in December settle close to daytime highs at an average of 16.7°F (-8.5°C).Humidity
In December, the average relative humidity is 89%.Rainfall
In Ironwood, in December, during 3.8 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 104.6 rainfall days, and 16.5" (419mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Ironwood. December is the month with the most snowfall. Snow falls for 22 days and accumulates 8.35" (212mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of December in Ironwood, sunrise is at 7:24 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:23 pm CST.
Sunshine
The average sunshine in December in Ironwood is 2.2h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 1 during December translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. To avoid the Sun's strongest rays, limit exposure around the mid-day period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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?
How much does it rain in December?
When does it snow the most?
How many days does it snow in December in Ironwood?
What is the month with the shortest days?
How many hours of daylight does Ironwood 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
Ironwood, MI
- Average high temperature in December: 24.4°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (19.2°F).
- Average low temperature in December: 16.7°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in December
Ironwood, MI
- Average pressure in December: 30.07"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Ironwood, MI
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are January and November (9.6mph).
The calmest months (with the lowest average wind speed) are June, July and August (7mph).
Average humidity in December
Ironwood, MI
- Average humidity in December: 89%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Ironwood, MI
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in December
Ironwood, MI
- Average rainfall days in December: 3.8 days
The month with the highest number of rainy days is June (13.1 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in December
Ironwood, MI
- Average snowfall in December: 8.35"
The month with the highest snowfall is December (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ironwood, MI
- Average snowfall days in December: 22 days
The month with the highest number of snowfall days is January (23.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ironwood, MI
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 1min
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 54min).
Average sunshine days in December
Ironwood, MI
- Average sunshine days in December: 8.3 days
The month with the most sunshine days is July (16.3 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in December
Ironwood, 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, November and December (UV index 1).
Average cloud cover in December
Ironwood, MI
- Average cloud cover in December: 78
The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Ironwood, MI
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
Ironwood, Michigan, USA
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