Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The coldest period tends to be January, when average temperatures fluctuate between a high of 19.4°F (-7°C) and a low of 8.6°F (-13°C).Humidity
The most humid month is January, with an average relative humidity of 91%.Rainfall
January is the month with the least rainfall. Rain falls for 3.2 days and accumulates 0.94" (24mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 21.8 days. Throughout January, 6.5" (165mm) of snow is accumulated. In Iron River, during the entire year, snow falls for 99.1 days and aggregates up to 37.13" (943mm) of snow.Daylight
In January, the average length of the day is 9h and 4min.On the first day of January in Iron River, sunrise is at 7:49 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:07 pm CST.
Sunshine
The month with the least sunshine in Iron River is January, with an average of 2.3h of sunshine.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 1 during January translates into the following directions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Iron River have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine in Iron River?
How long on average sun shines in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Iron River, WI
- Average high temperature in January: 19.4°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 (19.4°F).
- Average low temperature in January: 8.6°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in January
Iron River, WI
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Iron River, WI
- Average wind speed in January: 9mph
The windiest month (with the highest average wind speed) is November (9.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in January
Iron River, WI
- Average humidity in January: 91%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in January
Iron River, WI
- Average rainfall in January: 0.94"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in January
Iron River, WI
- Average rainfall days in January: 3.2 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in January
Iron River, WI
- Average snowfall in January: 6.5"
The month with the highest snowfall is December (7.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Iron River, WI
- Average snowfall days in January: 21.8 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Iron River, WI
- Average daylight in January: 9h and 1min
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 36min).
- Average sunshine in January: 2h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in January
Iron River, WI
- Average sunshine days in January: 10.4 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is December (9.8 days).
Average UV index in January
Iron River, WI
- Average UV index in January: 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 January
Iron River, WI
- Average cloud cover in January: 78
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Iron River, WI
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Iron River, Wisconsin, USA
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